6.Our world（六单元）

1.a:1 She went to Gaviotas. 2 At first she thought there would be nothing to do; after visiting she thought it was a very interesting, successful town. 3 That in twenty years’ time we will all live in towns like Gaviotas.

b:1 F (She wasn’t keen at first.) 2 T 3 F (He says we will have used up all of our resources by 2050.) 4 T 5 T 6 F (They need to import 30% of their energy and food.) 7 F (There are no police.)

2.a:will, be, present participle / -ing form of the verb

b:will, have, past participle

c:1 have used up 2have died out 3be living 4 be looking

d:2 By 2017 politicians will have decided on an undersea policy. 3 In 2024 engineers will be building homes under the sea. 4 In 2050 people will be living under the sea.

5 By 2055 half the world’s population will have moved to a home under the sea.

1 species 2resources3waste 4 atmosphere5temperatures 6starvation

1b 2e 3d 4f 5c 6a

4.b:1 men 2Asia 3Europe 4America 5 Africa 6eat 7education 8connected 9 wardrobe 10population 11a dollar 12wealthiest 13war14education 15healthy 16have 17better

7.a:Sandra’s dad flying to New Zealand to watch a cricket match.

b:1 He thinks it’s cool. Amy thinks it will cause a lot of pollution. 2 To do a sponsored triathlon. 3 She feels he has a good reason for going; she might also feel embarrassed.

8.a:1 Jack 2Nick 3Amy 4Jack 5Nick 6 Amy

a5 b2 c4 d6 e1 f3

b:1 Whatever 2give me a break 3let’s face it 4Are you out of your mind? 5Hang on a minute 6It’s none of your business

10.a:Mary is upset because she has seen Lily getting out of a car, which seems hypocritical when she is campaigning for everyone to walk or cycle to school.

b:1 running late 2How dare you 3Bring it on 4 up for it

11.a:The writer is optimistic.

b:The writer covers:

scientists’ warnings concerning the Earth’s future,

his/her own beliefs about what the future will

be like, peace vs. war, people’s lifestyles, what

people will eat / hunger in the world.

Check your progress

1.Grammar 

a: 2 If I spoke French, I would have got the job. 3 If she had passed her driving test, she’d be happy now. 4 If I had had enough money, I would have bought a bigger motorbike. 5 I would have gone to the club if I liked dancing. 6 I wouldn’t be tired if the dog hadn’t barked all night.

b: 2 be doing 3 be flying 4 have finished 5 have discovered 6 be thinking 7 have fallen

2. Vocabulary 

a: 1 leaflets 2 petition 3 demonstration 4 donation 5 volunteer 6 stop it

b: 2 up 3 of 4 up 5 up 6 about

How did you do? 

Students work out their scores. Check how they have done and follow up any problem areas with revision work.