2. Fill in the missing word.

1. There is a lack…….clear information about GM food.

2. If we don’t find renewable sources of energy, we will end……with serious problems.

3. We are……danger of losing many wild flowers because of the use of chemical sprays.

4. If you have breathing problems, you must give….smoking.

5. Positive changes, however small, …….a difference to the environment.

6. Many children who live in polluted cities suffer………asthma.

7. The new factory will be built……..condition that it disposes of its waste responsibly.

8. By the end of May we will have………working on the project for two years.

9. We must take care of the earth now,……else future generations will suffer.

10. Try to cut on the amount of paper you use in the office.

3 Complete the second sentence so that it has a similar meaning to the first sentence using the word given. Use between two and five words.

1. Climate changes will definitely cause sea levels to rise. bound Sea levels ……………………due to climate changes.

2. A number of animal species will soon face extinction. verge A number of animal species …………………………..……extinction.

3. If they hadn't helped, .the park wouldn't have been built. help But……………………………………….the park wouldn't have been built.

4. The project on the Amazon rainforest will be complete by the end of week.

have The project on the Amazon rainforest ……..……..by the end of the week.

5. If we don't do more to prevent forest fires, there will be serious consequences for wildlife.

done There will be serious consequences for wildlife if…..prevent forest fires.

4. Fill in the correct word derived from the word in bold.

1. The risks of using nuclear power far …….its benefits. WEIGH

2. The of pesticides in conventional farming

has made people turn to organic products. USE

3. The farmers claim that their……….has been reduced this

year due to unfavourable weather conditions. COME

4. I'm afraid her abilities have been……..; there are much

better scientists than her. ESTIMATED

5. In countries people DEVELOPED

die of diseases related to polluted water.

5. Find the unnecessary word for each sentence.

1. They won't ban GM products unless they are not proved harmful.

By 2050 half of the world's population will have be living without

direct access to fresh water.

3. This dry weather is for sure to lead to a water shortage.

4. We should support recycling projects as if we want to protect forests.

5. According to experts, sea levels will have been risen up to 95cm by the year 2100.

6. Circle the correct response.

1. A: I read somewhere recently that about 137 species of animals and plants become extinct every day.

B: a. Well, maybe all is not lost yet.

b What's the point?

2. A: Did you know that Los Angeles alone has more cars today than all of China?

B: a. Oh, it's so cruel!

b. Oh, it's just ridiculous!

3. A: I heard the other day that about 6 million tons of oil end up in the ocean per year.

B: a. But that's so irresponsible!

b. Why bother?

4. A: It says here that cosmetic companies perform more than half of all animal tests.

B: a. The very thought of it makes me sick

b. That'll make it worse.

5. A: Does global warming worry you? B: a. What a shame!

b. I can't bear to think about it.