Chapter 1

Vocabulary

A 1-d 2-g 3-a 4-e 5-f 6-h 7-c 8-b B 1. Remember not to 2. is covered by 3. turn off 4. Clean up

5. in the first place 6. looked around

Language

Common errors

1. There aren’t many people here. 2. There is a little rice. A. 2. There are a lot of

3. There are not many 4. There are a few 5. There is a lot of 6. There is not much 7. There are no

8. There is a little

Common errors

Q How much milk is there A There is a lot.

B 2. How much; I need a little.

3. How many; I don't need many. 4. How much; They don't want much. 5. How much; There is a lot. 6. How many; I have a lot.

Common errors

1. She has not enough food.

2. My sister eats too many sweets. C 1. too much 2. too little 3. enough 4. too few 5. enough 6. too few 7. too many

8. enough; too many

9. enough; enough D 1. enough 2. too few 3. How many 4. enough 5. How much 6. enough 7. too little 8. How much 9. enough 10. too many 11. no

12. a lot of

Listening and Speaking A 1. tap 2. pouring 3. froze 4. angry 5. water 6. dropped 7. mountain 8. reservoir 9. pipes 10. journey 11. sewage 12. pump 13. easy 14. waste 15. valuable B1 1, 8, 9, 10 B2 1. T

ten 3. T

4. bucket basin 5. T

6. day week C1 1. pieces

3. goes 4. changes 5. fall 6. winter 7. ground 8. snow

C2 a) 3 b) 5 c) 1 d) 6 e) 2 f) 4 C3 2. Air goes up and becomes colder.

3. Water in air changes into drops.

4. Drops become heavy and begin to fall. 5. Drops join together and get bigger. 6. Drops reach us and become rain. Reading

A1 1-c 2-b 3-d 4-e 5-a

A2 1. T 2. F 3. T 4. T B 1. It is in South America

2. No. It is the second longest river in the world. 3. It begins in the high mountains in Peru. 4. No. It ends in the Atlantic Ocean. 5. Yes，it does.

6. It is 240 kilometres wide.

7. There are 2,000 different kinds of fish.

8. No. They are the wettest places in the world.

Writing

First，pour five cups of water into. a pot.

Then boil the water and put 500a of noodles into the boiling water.

Next，add 250g of chicken. one egg. two carrots and a few prawns to the noodles. Then stir the noodles.

In about ten minutes，add seasoning such as spring onions. a little pepper and salt and a piece of ginger and waited for a few minutes. Finally，serve the noodles in two bowls.

Chapter 2

Vocabulary

A 1. for example

2. make a list of 3. ask for

4. is free to ; pay for 5. takes charge of B 1. consider

2. responsible 3. talked

4. experience 5. publish 6. secretary

7. concluded 8. chief editor Language

Common errors

1. I should speak English every day. / I ought to speak English every day. 2. You shouldn't spend so much money. / You ought not to spend so much money. At 2. Should; No，he shouldn't; should

3. Should; No，they shouldn't; should 4. Ought; No，we ought not to; ought to 5. Ought; No，she ought not to; ought to A2 2. ought; be 147

3. shoud be 34 4. ought; be

5. should be 1,950 6. ought; be 854 Common errors

1. What a clever monkey it is! 2. How fast they swim!

B 1. What a modern house it is!

2. What a nice jacket you are wearing! 3. How kind you are!

4. What a big swimming pool it is! 5. How expensive the chocolate is! C 1. were

2. should do 3. will start 4. look 5. ought 6. win 7. runs

8. will finish

9. should practise 10. jumped 11. kicked 12. oughtn't 13. shout

14. dropped 15. shouldn't make 16. will wear Listening and Speaking A 1. held

2. elected 3. experience 4. charge