Unit 9: Looking back

Pronunciation

1. Decide whether the questions tags in B's responses have a rising or falling intonation. Mark (rising intonation) or (falling intonation) after the questions tags. (Nói xem những câu hỏi đuôi trong phần trà lời của B có ngữ điệu lên hay xuống. Đánh dấu / (ngữ điệu lên) hay (ngữ điệu xuống) sau những câu hỏi đuôi.)

Bài nghe:

1. A: Global warming will continue to be a big threat to life on Earth.
   B: Then we can’t afford to ignore its effects any longer, can we? (↘)
2. A: I think the use of fossil fuels causes pollution.
   B: Then we should stop using them, shouldn’t we? (↗)
3. A: Did you see the game show last night?
   B: I did. It was fantastic, wasn’t it? (↘)
4. A: What’s the weather forecast?
   B: It’s going to rain. Don’t forget your raincoat, will you? (↗)

2. Listen and repeat the sentences in 1. Pay attention to the intonation on the question tags. (Nghe và lặp lại các câu ở bài tập 1. Chú ý ngữ điệu ở câu hỏi đuôi.)

Bài nghe:

Vocabulary

1. Complete the sentences with the correct form of the words or phrases in the box. (Hoàn thành câu bang dạng đúng của từ / cụm từ cho trong khung.)

1. city dwellers
2. infrastructure
3. overcrowded
4. advanced technology
5. detect
6. urban planners

Grammar

1. Complete the sentences with the correct question tags. (Hoàn thành câu bằng những câu hỏi đuôi đúng.)

1. shall we                 2. don't they

3. aren’t there            4. will you

5. haven't you            6. do they

7. should they            8. isn't it

2. Answer the questions, using conditional sentences. (Dùng câu điều kiện để trả lời câu hỏi.)

1. Flowers die if they are not watered.

If flowers are not watered, they die.

2. I expect my teacher to correct my mistake if I make one.

If I make a mistake, I expect my teacher to correct it

3. People need to leave tall buildings quickly if there is an earthquake.

If there is an earthquake, people need to leave tall buildings quickly.

4. I get green if I mix blue and yellow

If I mix blue and yellow, I get green.

5. I dial (the emergency number) 114 if there is a fire.

If there is a fire, I dial 114.

6. If I don't have to go to school in the morning, I usually get up at 8.

I usually get up at 8 if I don't have to go to school in the morning.

7. I usually ask my best friend for help if I'm in trouble.

If I'm in trouble, I usually ask my best friend for help.

8. I usually go to the park if I want to enjoy some fresh air.

If I want to enjoy some fresh air, I usually go to the park.