第1单元答案
开头
Answer Key
Answers will vary. Possible answers include:
1. Humans use a full range of language kills,
deal with abstract thoughts and things that
are not physically present, refer to the past
and the future, and invent and design complex
machines and buildings. 2. Animals rely more
heavily on innate or inborn behaviors and are
able to function on their own shortly after birth.
Moreover, their senses of sight, smell, and
sound are often greater than human senses.
3. Answers will vary, but ask students to provide
reasons for their choices.
1A
Answer Key
Before You Read
A. (counterclockwise from top left) 5. blowhole,
1. brain, 3. jaw, 4. flippers, 2. tail
B.b
Reading Comprehension
1.d;2.c (line 7); 3.a (lines 8-9); 4. a (lines
3 -4);5.c (ine 14); 6, b (lines 27-28); 7.a
Reading Skill
A.c
B.1.b;2.a !
Critical Thinking
The three ways to tell if an animal is ntelligent
are: communication, play, and teamwork (or
making plans to get what they want). Answers
will vary for other ways to tell if an animal is
inelligent.
Vocabulary Practice
A.1. method; 2. assist; 3. advantage; 4. specific;
5. smart
B.1. alike; 2. nelligent 3. strategy; 4. language
system; 5. conversation
1B
Answer Key
Before You Read
A. (Answers from top to bottom) elephant,
trunk, instruments, drum, xylophone
B. Predictions will vary. Actual answer is paint
Reading Comprehension
1. d;2. b (lines 10-11); 3. d (line 2); 4. C (lines
14-15);5. b;6.a;7.a
Reading Skill
A.b
B.1.b:2.e;3.a;4.d
Critical Thinking
Answers will vary. Students should support their
answers with examples and reasons.
Vocabulary Practice
A.1.a;2.a;3.a;4.b;5.a
B.1. trainers; 2. encourage; 3. creative;
4. artists; 5. eam
结尾
Answer Key
Before You Watch
A.1. coconut; 2. monkey; 3. tree; 4. rope;
5. trainer
B.1,4.2,3
While You Watch
A. Students confirm their answers in Activity B,
above;:1,4.2,3.
B.1. spin; 2. pick; 3. fll; 4. buy; 5. earn;
6. have; 7. work; 8. use
After You Watch
Answers will vary. Students should support their
opinions with reasons.
第二单元答案
开头
Answer Key
Answers will vary, but ask students to elaborate
on their opinions. You might want to have
students brainstorm about travel and vacation
activities and write their responses on the board.
Then ask students to categorize the ideas into
conventional and adventure travel.
2A
Answer Key
Before You Read
A.1. They started at Prudhoe Bay, Alaska,
U.S.A. and finished at Ushuaia, Argentina They
traveled by bicycle. 2. They traveled 30,500 km
(19,000 miles) in two years.
B. Answers will vary. The passage gives no
specific reason other than adventure.
Reading Comprehension
1.a;2.d (lines 21-22):3. b (line 8); 4. b (lines
20 -22):5.a;6. a:7.c (ines 29 -30)
Reading Skill
A. (boxes from top center in clockwise
direction) 1. key,3. scale, 2. source, 4. title
B.1. Asia; 2. west; 3. fewer,; 4.2005
Critical Thinking
Answers will vary. Students should support their
ideas with reasons and examples.
Vocabulary Practice
A.1.b;2.a;3.b;4.a
B.1. advice; 2. journey; 3. route; 4. relax;
5. goals; 6. eventually
2B
Answer Key
Before You Read
A. Answers will vary. Some people are excited
by dangerous activities.
B. Answers will vary. The thing the activities
have in common is that they are risky.
Reading Comprehension
1.b;2.a;3.d (lines5 6); 4. c (lines 10-11);
5. d (ines 18 -20);6. b;7.d
Reading Skill
A.1.a;2.b;3.a;4.c
B.1. off South Africa; 2. ten meters (33 feet);
3. all a surfer needs is a wave and a board; 4.
skateboarding
Critical Thinking
Answers will vary. Students should support their
ideas with reasons and examples.
Vocabulary Practice
A.1. escape; 2. nation; 3. native; 4. familiar,
5. religious
B.1. tie; 2. escape; 3. hit; 4. century; 5. natives;
6. nations; 7. bravery
结尾
Answer Key
Before You Watch
A.1.T;2.F;3. T
B.1.d;2.b;3.c;4.a
While You Watch
A. Students should check items 2, 3, and 4.
B.1.a;2.a;3.a;4.b;5.b
After You Watch
Answers will vary. Students should support their
opinions with reasons and examples. Keep in
mind that only male natives of Pentecost Island
may land dive.
第三单元答案
开头
Answer Key
Answers will vary, Possible answers include:
1. Kinds of music include rock, jazz, hip-hop,
indie, rap, pop, and casical. Favorites may
include individual performers or groups.
2. Some examples are reggae for Jamaica and
samba for Brazil. 3. For this question, poll
students about how different types of music
affect them. Ask them about exciting vs.
relaxing music. With the whole class, brainstorm
types of music and names of groups that
perform it.
3A
Answer Key
Before You Read
A.1. culture; 2. teenagers; 3. hardships
B.c.
Reading Comprehension
1.c;2.d (line 12):3. d;4. d;5.d (ine 20):6. b
(ines 25 -27);: 7. a dine 25)
Reading Skill
A. Shameema Williams: a and d; Assane
N'Diaye: b and C Both: e
Vocabulary Practice
A.1. female; 2. belongs; 3. Clubs;
4. background; 5. Despite
B.1. backgrounds; 2. issues; 3. peace; 4. dream
of; 5. attitudes; 6. audiences
Critical Thinking
Answers will vary. Students should support their
opinion with examples and reasons.
3B
Answer Key
Before You Read
A.1. Answers will vary according to students'
familiarity with parts of the brain. 2. Both involve
receptive and productive skills, memory, and
the ability to convert symbols (musical notes or
writing systems) into meaningful sounds or ideas.
B.1.a;2.c
Reading Comprehension
1. a;2.b (lines8-9);3.c;4. d;5.c (line 12); 6.
C (lines 20-22):7.d
Reading Skill
A. Circled words by paragraph: 1. because of;
2. Since; 3. due to
B.1. because of its ability to express emotions
across cultures; 2. since he wanted to include
a variety of Western music types; 3. due to the
fact that the rhythms and melodies of Western
music are similar to the emotional features of
human speech.
Critical Thinking
Answers will vary. Students should support their
answers with examples.
Vocabulary Practice
A.1.a;2.a;3.a;4.b;5.b
B.1. connection; 2. improves; 3. damaged;
4. normally; 5. sharp
结尾
Answer Key
Before You Watch
A.1.e;2.f:3.b:4.c;5.d;6.a
B. Answers will vary.
While You Watch
A. Students should check these items: where
steeband music comes from, the popularity of
steelband music, steelband music's relationship
to Africa, and steelband's place in local culture.
B.1.b;2. a;3.c
After You Watch
A. People who play "by ear play or sing
without reading music.
B. Answers will vary.
第4单元答案
开头
Answer Key
Answers will vary, but ask students to elaborate
on their opinions. Build background knowledge
by asking what would be necessary for life on
other planets (air to breathe, water, moderate
temperatures). Students should support their
opinions with reasons and examples.
4A
Answer Key
Before You Read
A.1. Space; 2. planets; 3. galaxy; 4. astronomer;
5. telescope
B.a
Reading Comprehension
1.b;2. d; 3. d; 4.b (lines 17-18); 5. d (ine 21);
6. c;7. a (lines 24-25)
Reading Skill
A. Answers will vary. Students should underline
the main ideas and key details in the text, such
as the information included in the concept map
on page 54.
B.1. 12 blion; 2. huge; 3. galaxies;
4. telescopes; 5. solar, 6. radio signals
Critical Thinking
Answers will vary. Students should support their
ideas with reasons.
Vocabulary Practice
A.1. powerful; 2. messages; 3. search for;
4. identify; 5. allow
B.1.a;2.b;3.a;4.b:5.a
4B
Answer Key
Before You Read
A.1. rocket; 2. astronauts; 3. establish; 4. colony
B. Answers will vary with personal opinions.
Students should support their opinions with
reasons.
Reading Comprehension
1.a;2.c;3.c (lines 5 -8); 4. d (lines 8-10);
5.c;6.a;7.d
Reading Skill
A. The main idea is that humans should colonize
space (according to Robert Zubrin). The
supporting reasons to undertine are that 1) we
can leam a lot; 2) we can create new human
societies on other planets; and 3) any advances
(made in space) will benefit us here on Earth,
B. 1. too expensive; 2. the jourmey is too long;
3. health problems; 4. dangers from the sun and
air mean people will live indoors
Critical Thinking
Answers will vary. Students should support their
opinion with reasons.
Vocabulary Practice
A.1. independent; 2. surface; 3. mission;
4. journeys; 5. survive
B.1.a;2.a;3.b;4.b;5.a
结尾
Answer Key
Before You Watch
1.It can be reused and it allows up to eight
astronauts to travel at a time; 2. Answers will
vary. The real reason is because of lack of
funding (note that this is not mentioned in the
Student Book or the video); 3. She was the first
American woman in space.
While You Watch
A. (rom left to right)e,f,g.b,c. d, a
B. Collins: e, f; Jemison:C, g: Ride:b, d;
Tereshkova:a, h
After You Watch
Answers will vary. Students should support their
answers with reasons and examples.
第五单元答案
开头
Answer Key
Answers will vary, Possible answers include:
1. People live in cities because they offer better
health care, education, job opportunities, and
chances for social mobility than rural areas
do.2. New York, London, Hong Kong. and
Tokyo are international centers of commerce,
communications, and transportation. 3. Answers
will vary, but encourage students to support
their opinions with reasons.
5A
Answer Key
Before You Read
A.1. The city names are the color of the city's
strongest factor, 2. They all have a number of
icons in each category. but the mix is slightly
different for each of the four cities; 3. They are
strong in all areas.
B. Predictions will vary, but students should
provide reasons to support their predictions.
Reading Comprehension
1.a;2.a;3.b;4.d lines 13-15, 21-22);
5.b;6. a (line 26); 7.a
Reading Skill
A.1. cities; 2. five; 3. entertainment; 4. red;
5. people; 6. green
B.1.d;2.b;3.c.
Critical Thinking
Answers will vary. Students should support their
answer with reasons.
Vocabulary Practice
A.1. options; 2. especially, 3. international;
4. factors; 5. attracts
B.1.b;2.a;3.b;4.b;5.b
5B
Answer Key
Before You Read
A.1. A favela is a poor neighborhood that
typically lacks govenment services and has a high
crime rate. Synonyms are slums, shanty towns,
and barrios. About 1.5 million people in Rio live
in favelas; 2. Favelas are found all over Rio; some
are located on hllsides with amazing views; 3.
Answers will vary. Life in a favela is generally
rough and tough. Even now, many are controlled
by drug dealers and there is a lot of violence.
B.a
Reading Comprehension
1.d;2. a;3. d (ine 11); 4. a (paragraph 3);
5.c (paragraph3);6. a;7. d
Reading Skill
A. Underlined quotes should incude:
1. In paragraph two, Nogueira's quote; 2. In
paragraph three, Miranda's first quote; 3. In
paragraph three, Miranda's second quote.
Answers to why they are included will vary, but
should be supported by reasons.
B.1.a;2.b;3.a
Critical Thinking
Answers will vary, but ask students to say how
they think diversity will affect favelas.
Vocabulary Practice
A.1. provide; 2. residents; 3. develop;
4. receive; 5. separate; 6. Crime
B.1.a;2.a;3.b;4.a
结尾
Answer Key
Before You Watch
A.1. five years; 2. the top, 75 meters high;
3. the base or bottom; 4. It is a very busy
location and a tight spot with not much room to
move the construction materials and machines.
While You Watch
A. Students should check these items: digging
the foundation, bringing materials to the
building site, lfting materials up to the building,
driving big trucks in city traffic, putting things
together high above the ground
B.1.6th Avenue; 2. see what he's lfting; 3. size;
4. above
After You Watch
Answers will vary, but students should support
theirs with reasons. The video does not specify
what is special about One Bryant Park- -its
energy conservation- so students may not have
a basis for answering the two questions.
第6单元答案
开头
Answer Key
Answers will vary. Possible answers include:
1. Many microorganisms are too small to be
seen without a microscope. 2. Answers will
vary depending on students' experiences
and backgrounds in biology. 3. Microbes are
essential to life for digestion, decomposition
of organic material, production of vitamins
and proteins, and to counterbalance harmful
microbes that cause disease.
6A
Answer Key
Before You Read
A.1. tiny; 2. organisms; 3. soil
B. Although the organisms are tiny, they are
essential to natural processes.
Reading Comprehension
1.b;2. a;3. b (ine 9);4. b (lines 23-25); 5. b;
6.a;7.b
Reading Skill
A. Students should underline the following:
when, later, eventually, then
B.a.e,d,f, b,c
Critical Thinking
Answers will vary. Students should support their
answers with examples and reasons.
Vocabulary Practice
A.1. species; 2. cydle; 3. environments;
4. diversity; 5. discover
B.1.b:2.a;3.b;4.b:5.a
6B
Answer Key
Before You Read
A.1.T:2.F:3.F:4.T
B. Students check their answers to ActivityA,
above.
Reading Comprehension
1.a;2.c (ine3);3.a;4.d;5.b;6.a;7. b
Reading Skill
A.1.P:2.C:3.P:4. P
B. Pros: Antibiotics can kill bad bacteria, curing
bacterial infections.
Cons: Antibiotics can kill good bacteria, causing
health problems and making us sick because we
need the good bacteria in order to function.
Critical Thinking
Answers will vary. Students should support their
answers with reasons and examples.
Vocabulary Practice
A.1. harmful; 2. harmless; 3. invisible; 4. cure;
5. depend on; 6. infection
B.1.b;2.b:3.a;4.a
结尾
Answer Key
Before You Watch
A.1. strange; 2. microbes; 3. environment;
4. hot spring
B. Answers will vary. Students should support
their answers.
While You Watch
A. Students should check these items:
temperatures of hot springs, creatures that
survive in hot springs, diferent types of
microbes, and possible life on other planets
B.1.200; 2. die; 3. Archaea; 4. microbes
After You Watch
1. environment; 2. perfect; 3. discovered;
4. information; 5. life; 6. universe; 7. similar
第七单元答案
开头
Answer Key
Answers will vary. Possible answers include:
1. Dinosaurs lived on Earth from more than 200
million years ago and became extinct about
65 million years ago. 2. Answers will vary. 3.
Although paleontologjsts have found many
dinosaur fossils, questions about dinosaurs are
stil unanswered.
7A
Answer Key
Before You Read
A.1. reptiles, 65 millin years ago;2. A
paleontologist is a scientist who studies fossils of
prehistoric life such as dinosaurs; 3. to die out
B.1. both (see Teaching Notes); 2. no; 3. yes
Reading Comprehension
1.b;2.d (lines5-6);3. d (lines 14-15); 4. a
(line 24);5. a (ines 20-23):6. C (lines 33-34);
7. a (ines 17-19)
Reading Skill
A.1. such as; 2. like; 3. For example
B.1.c;2.e;3.f;4. a:5.d
Critical Thinking
Anwers will vary. Students should support their
answers with examples and reasons.
Vocabulary Practice
A.1. In reality; 2. giant; 3. completely; 4. physically
B.1. relative; 2. heavy; 3. hunter; 4. museum
7B
Answer Key
Before You Read
A.1. unearth; 2. fossils; 3. homs; 4. claws
B. Predictions will vary. What is unusual about
this dinosaur are its huge "hands" with claws.
Reading Comprehension
1. d; 2. d (paragraphs3 and 4);3. C 4. d (lines
15-16);5.2;6.a;7.d
Reading Skill
A.1.d;2.a;3.C4.b
B.1. an area in southern Mongolia; 2. terrible
hand; 3. a type of dinosaur that looked like a
present-day ostrich
Critical Thinking
Anwers will vary. Students should support their
ideas with examples and reasons.
Vocabulary Practice
A.1.b,2.b,3.b;4.a;5.b
B. 1. extended; 2. length; 3. seeking;
4. appearance; 5. estimate
结尾
Answer Key
Before You Watch
A.1. til; 2. vertebrae; 3. rib; 4. backbone;
5. neck
B. Answers will vary. The correct answer isa.
While You Watch
A.1.F:2.T:3.F:4.T
B. (the caption on top is A, on the bottom B)
1.8:2. A:3.A;4.B
After You Watch
Answers will vary. Students should support their
ideas with reasons and examples.
第8单元答案
开头
Answer Key
Answers will vary, but encourage students
to talk about stories they loved as children.
Ask students about famous stories from their
countries. As an extension, they could write,
ilustrate, and tell stories in a later class.
8A
Answer Key
Before You Read
Students' predictions will vary. Actual answers
include: 1. The Brothers Grimm were German
scholars with a particular interest in folklore.
2. They published collections of fllktales
collected from European storytellers. 3. At first
these collections were intended for adults.
Reading Comprehension
1.d:2.a;3.c (lines2-3);4.b;5.c;6.d;7.a
(lines 22-23)
Reading Skill
A. Students' annotations of the text will vary.
B.1. storytellers; 2. similar; 3. forest; 4. adults;
5. children
Critical Thinking
Answers will vary. Students should support their
opinions with reasons and examples.
Vocabulary Practice
A.1. collection; 2. magical; 3. scary;
4. memorized; 5. Although; 6. published;
7. reflected
B.1. text; 2. primarily; 3. scary; 4. although;
5. appropriate; 6. collection; 7. reflect;
8. memorize
8B
Answer Key
Before You Read
A.1.8; 2. to get water, 3. The boys fought, the
water jug fell in the well.
B. Predictions will vary. The father gets iritated
and wishes the boys were ravens. Eventually the
sister finds them and they turm back into people.
Reading Comprehension
1.c;2.a;3.b;4.d (lines20-24); 5. C dine 25);
6.c (lines 30-33);7. b
Reading Skill
A.1. Hansel and Gretel; 2. their stepmother,
3. the children; 4. bread; 5. a house; 6. an old
woman; 7. a witch; 8. the children; 9, the oven;
10. Hansel, Gretel, and their father
B.1. the daughter; 2. her finger, 3. the seven
plates and cups
Critical Thinking
Answers will vary. Students should support their
opinions with reasons.
Vocabulary Practice
A.1.a;2.b;3.b;4.a;5.a
B.1. determined; 2. youths; 3. affect; 4. deep
结尾
Answer Key
Before You Watch
A.1. headless; 2. pumpkin; 3. bridge
While You Watch
A.1.c2.d;3.b:4.a
B.1. fun; 2. after; 3. hard; 4. wasn't
After You Watch
Students' stories will vary.
第9单元答案
开头
Answer Key
Answers will vary. Possible answers include:
1. They are botanists climbing high on
a redwood tree to do research. 2. Some
challenging jobs are firefighter, rescue worker,
coal miner, construction worker on high
buildings, explosive expert, deep sea fisherman,
and logger. 3. Encourage students to give
reasons for their answers.
9A
Answer Key
Before You Read
A.1.a piece of rock or metal from space;
hundreds; 2. Scientists can leam about the
composition of space and about our own planet.
B.1. He is a meteorite hunter. He travels
throughout the world looking for meteorites that
he later slls. 2. Some of the physical conditions,
such as working in deserts, are ificult, but he
has also been attacked by people trying to steal
valuable meteorites. Also, he has to be careful
to do his work legally in different countries, each
with its own laws about meteorites.
Reading Comprehension
1.a;2. b (lines5-6); 3. b (lines 10-12); 4. a
lines 16-19);5. C (ines 23-27); 6. a; 7. d (and
a- see Teaching Notes on page 62.)
Reading Skill
A. Exact (circled): in 2011, the second-oldest;
Approximate (underlined): just over 300 grams,
a hundred or so, around 2.1 blin years old,
over a year of study, approximately ten times
B.1. in 2013; 2. about 10,000 metric tons;
3. about 70 countries; 4.5100.000; 5. around
4.5 bllion years old; 6. 53 kilos (117 pounds)
Critical Thinking
Answers will vary. Students should support their
opinions with reasons.
Vocabulary Practice
A.1. ilegal; 2. law; 3. in demand; 4. valuable;
5. collect
B.1.a;2.b;3.b;4.a:5.a
9B
Answer Key
Before You Read
A.1. dangerous; 2. burn; 3. hectare; 4. wildfire
B. Predictions will vary. Correct answers incude:
1. a special type of firefighter who works in
remote areas; 2. They figure out how to stop the
fire from spreading; 3. strong people of a certain
size who can cope in the wilderness
Reading Comprehension
1.b;2.d;3. d (lines 10-11); 4. c (lines 17-20);
5.a;6. b (lines 27-28); 7. C (lines 25- 26)
Reading Skill
A.1.b;2.b;3.a
B.1. A smokejumper's job is not typical/ is very
different. 2. There are more men smokejumpers
than women.3. The fire hurt many people.
Critical Thinking
Answers will vary. Students should support their
answers with reasons and examples.
Vocabulary Practice
A.1.a;2.b;3.b;4.a
B.1. employed; 2. race; 3. equipment;
4. capable; 5. majority; 6. occupation
结尾
Answer Key
Before You Watch
A.1. camera; 2. photographer, 3. smoke;
4. wildfires
While You Watch
A.1.F;2.F;3.T:4. T:5.F !
B. (the caption on top is A, on the bottom B)
1. A; 2. A (See Teaching Notes);3. A;4.A
After You Watch
Answers will vary. Students should support their
ideas with reasons and examples.
第10单元答案
开头
Answer Key
Answers will vary. Possible answers include:
1. They were meant to protect the tomb of an
important Chinese ruler. 2. Some important
archeological discoveries were the Inca
mountaintop city of Machu Picchu in 1911, the
tomb of Tutankhamun in 1923, the discovery
of early hominid fossis in Africa, and finding
the Dead Sea Scrolls in the 1940s. 3. Answers
will vary, but encourage students to share what
they know about ancient monuments in their
countries.
10A
Answer Key
Before You Read
A.1. Archeologists; 2. Artifacts; 3. soldier, army;
4. tomb
B. Answers will vary. Essentially, the soldiers lost
their original color when they were exposed to
the air during excavation,
Reading Comprehension
1. c:2.d(lines 7-8); 3. a; 4. a (lines 19-20);
5. b;6.d; 7. d (lines 30-33)
Reading Skill
A.1.b;2.a;3.a;4.b;5.b;6. a;7.a
Critical Thinking
Answers will vary. Students should support their
opinions with reasons.
Vocabulary Practice
A.1. constructed; 2. protect; 3. techniques;
4. exposed; 5. vivid; 6. revealed; 7. network
B.1.T:2.F:3.T:4.F:5.T:6.T;7.F:8.T
10B
Answer Key
Before You Read
A.1.T:2.T:3.T
B.c
Reading Comprehension
1.a;2.a;3.d (lines 11-12);4.b;5. c:6.c;7.b
(last paragraph)
Reading Skill
A.1A. ordinary Egyptians; 1B. 80 years to bulld,
teams and roles; 2A. arthritis, 30-35 years;
2B. medical care; 2C. proud of work, national
project
Critical Thinking
Answers will vary. Students should support their
opinions with examples from the reading
Vocabulary Practice
A.1. competed; 2. According to; 3. role; 4. task;
5. proud; 6. timeless
B.1. ordinary; 2. task; 3. confirmed; 4. block;
5. involved
结尾
Answer Key
Before You Watch
A.1.c;2.a;3.b;4. d
While You Watch
A.1. is true.
B.1. traders; 2. jigsaw puzzle; 3. probably (see
Teaching Notes); 4. a museum
After You Watch
Answers will vary.
第11单元答案
开头
Answer Key
Answers will vary. Possible answers include:
1. Old ships, weapons, coins, jewelry, plates,
pottery, and so on. 2. Some possibilities are
ancient legends about Poseidon, myths of sea
monsters and mermaids, stories about naval I
heroes, and Moby Dick. 3. One of the most
famous was finding the wreck of the Titanic.
11A
Answer Key
Before You Read
A. a. captain; b. maritime; C. goods
B.1.T,2.F:3.T
Reading Comprehension
1.b;2. a;3. d (lines 10-11);:4. b;5.a; 6.d
(lines 24 25); 7. b (lines 28-29)
Reading Skill
A. Movie Pirates: a, C, e; Real Pirates:f, d;
Both: b
B. Similarities: both, neither; Differences:
however, while; Pirates: b, d; Privateers: c;
Both:a,e !
Critical Thinking
Answers will vary. Students should support their
ideas with examples.
Vocabulary Practice
A.1. income; 2. purchased; 3. freedom; 4. stole;
5. divided; 6. factors; 7. average
B.1. disease; 2. equality; 3. Factors; 4. buried;
5. Income
11B
Answer Key
Before You Read
A.1. hurt; 2. ships; 3. take
B. Answers will vary. Possible answers include:
1. The two cases are different. Read wanted
adventure and Ching Shih took over when her
husband died. 2. Again, they are different. Read
was captured and Ching Shih retired.
Reading Comprehension
1.a;2.b;3. b;4.d (lines 15-16);5. b; 6.a (line
27); 7. b (ine 23)
Reading kill
A.1.a;2.c3.b;4.c
B.1.a;2.b;3.d;4.c
Critical Thinking
Answers will vary. Students should support their
ideas with reasons and examples.
Vocabulary Practice
A.1. sail; 2. fearless; 3. target; 4. pretend;
5. avoid; 6. shoot
B.1.T;2.F:3.T:4.T
结尾
Answer Key
Before You Watch
A. Information about Blackbeard is given
on pages 148 and 151. Students read that
Blackbeard was a famous pirate during the
Golden Age of Piracy (1660-1730) whose actual
name was Edward Teach. They also read that
he was a fearsome pirate who was said to wear
burning ropes in his long beard in battle.
B. Answers will vary. The object pictured is a
cannon. Cannons are often marked with the
name of the ship to which they belonged.
While You Watch
A.1.1718; 2. Queen Anne's Revenge; 3. name;
4. before
B.1.A. 1717; 1.C. 1718; 2.A. Carolina; 2.B.
cannons; 3.A. dirty, 300, water; 3.B. X-rays, salt;
4. Goals
After You Watch
Answers will vary. Students should support their
opinions with information from the video.
第12单元答案
开头
Answer Key
Answers will vary. Possible answers include:
1. Extreme places such as the highest
mountains, thick jungles, or parts of the oceans
that are not well known. 2. Answers will vary,
but some examples are people who have
limbed the highest mountains or explored the
deep seas. 3. In addition to the people featured
in this unit- -Mallory and Invine on Mount
Everest, Amelia Earhart, and Jim Thompson-
there are others such as Michael Rockefeller in
the New Guinea jungles and Roald Amundsen,
a Norwegian explorer who disappeared in the
Arctic in 1928.
12A
Answer Key
Before You Read
A.1.8,850; 2.4; 3. Nepal; 4.1953; 5. cold;
6. oxygen; 7.200
B. Answers will vary. The actual answer is
that the reading is about the Mallory-lrvine
expedition in 1924. Did the men reach the
summit? What happened to them?
Reading Comprehension
1.b;2. d (lines8-9, 12-13); 3. a; 4. d (lines
14-16); 5. d (ines 20-21):6.a; 7.c
Reading Skill
A. Reasons for (underined): evidence he and
Irvine were near the top (line 10); In addition...
no photos (lines 12-15); Reasons against
(circled): ificult path/Poor equipment (line
20); Without the right tools, it is doubtful (lines
23-24); No frostbite (line 25)
B. Reasons for: 1. oxygen; 2. body;
3. photo; 4. leave
Reasons against: 5. difficult; 6. equipment;
7. frostbite; 8. camp
Critical Thinking
Answers will vary. Students should support their
opinions with evidence from the reading.
Vocabulary Practice
A.1. significant; 2. achievement; 3. proved;
4. path; 5. suffered
B.1.a;2.b;3.a;4.a;5. b
12B
Answer Key
Before You Read
A. She was the first woman to fly a plane alone
across the Atlantic Ocean.
B. Answers will vary, but many people believe
they either ran out of fuel and crashed in the
ocean or landed on a remote island and died
there.
Reading Comprehension
1. c2.d (lines2- 3);3. b (lines3- 4); 4.d
(lines 13-14):5. C;6. b;7. a (line 23)
Reading Skill
A.1. However; 2. and; 3. also
B.1.e;2.a;3.b:4.c
Critical Thinking
Answers will vary. Students should support their
opinions with reasons.
Vocabulary Practice
A.1. headed; 2. effort; 3. investigation;
4. disappearance; 5. bright
B.1.a;2.a;3.a;4.a;5.b
结尾
Answer Key
Before You Watch
A.1.c;2.b;3.a
B. Answers will vary. According to the reading
passage, the most likely theory is that her plane
sank in the ocean when it ran out of fuel. The
least likely theory is that Earhart returned to the
U.S. under a different name.
While You Watch
A. (from top left clockwise)2,3, 4, 1. The
missing words are, in order, reef, thirst, and spy.
B.1. gas; 2. ocean; 3. different; 4. captured;
5. died; 6. spy: 7. reason; 8. housewife
After You Watch
Answers will vary. Students should support their
ideas and opinions with reasons and examples.
