II. Complete the sentences. sea Plastic; a solar thermal system; planting trees; the greenhouse effect; levels; the ice; the earth's surface; reduce, reuse, recycle.

1) An increase in the average temperature of is the global warming. 2) This phenomenon is also called 3) One danger of global warming is that the rising temperatures will melt much of at the earth's poles. 4) Melting of iceberg will raise around the world and flood the coastal cities. 5) Use cloth or jute bags instead of bags. 6) Encourage your parents to install in your home. 7) Join family members, neighbours in in your yard, along roadways, in parks. 8) The solution to the problem of global warming and the greenhouse effect lies in the three “R's”..

Conditional Sentences type I, II and III - fill in the correct forms.

1. If I hear a thief, I will catch (catch) him.

2. He would go to the cinema if he had (have) more time.

3. I would phone (phone) her if I knew her number.

4. If they were rich, they would stay (stay) at a hotel.

5. I would have been glad if he had visited (visit) me in hospital.

6. I would pass the exam if I learned (learn) harder.

7. If she explains him the situation, he will understand (understand) it.

8. If we had gone to London, we would have seen (see) the Tower.

9. I will have to invite Bob if I invite (invite) Linda.

10. If I did not visit him, he would be (be) angry.

11. If he had offered me the job, I would have taken (take) it.

12. If it stops (stop) raining, we will play tennis.

1. Match the words

1. d) total a. damage

2. h) burn b. bruised

3. j) face c. a disaster

4. g) perfectly d. miracle

5. i) want to be e. an accident

6. a) brain f. attitude

7. b) seriously g. still

8. c) experience h. her head

9. e) survive i. film maker

10. f) positive j. challenges

2. Choose the correct item

1. not to leave

2. doesn’t it

3. asked

4. everywhere

5. would perform

3. Match the sentences to the correct question tags.

1. e) isn’t he?

2. f) will you?

3. b) haven’t you?

4. a) are there?

5 d) didn’t he?

6. g) can’t you?

7 h) shall we?

8. c) has it?

Объяснение: