旧人教版 B3U4 单词巩固练习题

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, etc.

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 your best in your career, and 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.

Exercise 3 重点短语

1. _____________  四面八方      

2. _____________  及时；终于

3. ____________  下蛋        

4. _____________  产生；分娩

5. _____________  轮到某人，接着  

6. _____________  阻止；制止

7. as a result _____________        

8. block out______________

9. cheer up ____________          

10. now that _____________

11. _____________  突发；爆发    

12. _____________  密切注视；当心，提防

参考答案

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

Exercise 3:

1. in all directions

2. in time

3. lay eggs

4. give birth to

5. in one’s turn

6. prevent…from

7. 结果

8. 挡住（光线）

9. 感到高兴；感到兴奋

10. 既然

11. break out

12. watch out