Unit 4 Astronomy:the science of the stars

Exercise 1 据句意及所给单词首字母或汉语意思完成下列句子.

1.         A __________ is scientific study of the sun, moon, stars, planets, ect.

2.         Christian, Buddhist and Hindu are the main r_________ in the world.

3.         The a___________ over dinner was warm and friendly.

4.         The firework e__________ in his hand.

5.         The news he s__________ around the town was not true.

6.         It’s a _______ (谜) to me why they didn’t choose him.

7.         We must care about further ___________ (进展).

8.         As a parent, you should not ___________(鼓励) bad habits in a child.

9.         The ECP ___________ (出版) weekly.

10.     The force that attracts objects in space towards each other, and on the earth pulls them towards the center of the planet is called ____________ (重力).

Exercise 2 根据句意, 用所给的词或词组的最恰当形式填空(注意有多余选项)

lessen,  dissolve,  depend on,  prevent…(from…),  lay,  now that,  on earth,  on the earth, on time,  in time,  surface,  gradually

1._________ you’ve finished your homework, you can go and play football to have a rest.

2. I’ve phoned you several times. What __________ are you doing?

3. Nothing on earth can _________ me ________ loving her.

4. Do you best in your career, you’ll succeed ____________.

5. You must not look only at the __________ of things.

6. Salt ____________ easily in water.

7. The old man ____________ his two sons for food and clothing.

8. The cuckoo(杜鹃) __________ its eggs in other bird’s nest.

9. After hard working, they improved the things ______________.

10. The pain _________ already ___________ after taking the medicine.

 

参考答案

Unit 4:
Exercise 1:
1. Astronomy     2. religions    3. atmosphere    4. exploded    5. spread 
6. mystery        7. developments    8. encourage    9. is published   10. gravity
Exercise 2:
1. Now that     2. on earth    3. prevent…from     4. in time   5. surface
6. dissolves     7. depends/depended on    8. lays/laid   9. gradually   10. was…lessening