Our world(第三单元)

1. Read and Listen

A:They have introduced a free bicycle scheme.

B:2a 3d 4b5 c 6e

2. Vocabulary

A:1 lines of stationary traffic; dirty air; smoke from cars


2 make the air cleaner

3 smoke from industry


4 increase in temperatures around the world;big changes in weather and temperature

5 being lost

6 go up / increase

7 the natural world

B:1 recycling D 2 litter E 3 pollution A 4 factory fumes C

5 rain forests F 6 rubbish B

C:1 pick…up 2 recycle 3 waste 4 clean up 5 pollute 6 cut down

4.Grammar

A:Para 2:won't use

Para3:won't solve;might help; will be; will continue; will get

will;might

B:2 will ravel 3 will arrive 4 'll buy 5 won't take 



C:2 might be 3 might not like 4 might break 5 might not pass 6 might live 7 might have

D:2 won't 3 might 4 will 5 might 6 A: will B:might 7 won't

7.Grammar and speaking 


A:Sentence l:- they won't use a bicycle-they'll still use their cars.

Rule: present; will


B:2 are; will be 3 see;will give 4 increases;will die

5 won't tell; don't come 6 will e; see

C:2 will go;go 3 will,buy; go 4 don't go;will, do

5 doesn't give;will,do 6 phone;will,talk about

E:2 If he doesn't borrow some money, he won't be able to buy a computer.


3 If he plays football, he might break a window.

4 If she doesn't turn the music down, her father will be very angry.


5 If it doesn't stop raining,they won't be able to play tennis.


6 If she doesn't ride properly, she might have an accident.

F:don't do

G:2e 3a 4b 5c

Culture in mind

8.Listen

A:1D 2F 3B 4E 5G 6A 7C

B:1b 2e 3c 4d 5a

C:They have to walk very long distances to get water, from rivers or lakes or wells, and sometimes the water is dirty and polluted.This means many people get sick because they drink dirty water.

D:1 To make sure that everyone in the world can get safe water to drink.


2 in the ground or in underground lakes.

3 About one-third of total rainfall ends up in rivers, the rest is evaporated into the atmosphere or is taken up by plants.

4 The world's population is growing fast,so there is less water per person.

10.Listen

A:1 paradise 2 parking lot 3 gone 4 museum 5 dollar 6 apples 7 give

B:They paved paradise and put up a parking lot Don't it always seem to go that you don't know what you've got till it's gone?


They took all the trees, put 'em in a tree museum Hey farmer,farmer,put away that DDT now. Give me spots on my apples, but give me the birds and the bees, please!

11.Write

A:Four (more cycle lanes; more clubs for teenagers;more places for teenagers to play sports; stop people dropping litter)

B:Introducing ideas: Also; In addition; Finally

Giving opinions:I think that.…I believe that In my opinion.…;I'm sure that ..