B3U4 复习学案

Unit4 单元基础知识分类训练

Ⅰ.语法填空

The earth was just ______1______ cloud of dust after the “Big Bang”．The earth exploded loudly with fire and rock.______2______ were in time to produce many things，which were to make the earth’s atmosphere. As the earth cooled down，water began to appear on ______3______ surface. It allowed the earth to dissolve ______4______(harm) gases. Then life began to develop.

Small plants multiplied and filled the first oceans and seas with oxygen. This encouraged the ______5______(develop)of early shellfish and fish. Land animals such ______6______ insects，reptiles and dinosaurs appeared after green plants appeared. Small clever animals spread all ______7______ the earth. They are putting too much carbon dioxide into the atmosphere，______8______ prevents heat from escaping from the earth into space.______9______ life will continue on the earth for millions of years to come will depend on whether this problem can ______10______(solve)． Ⅱ.单词拼写

1. I agree with you in ________ (理论) but practically I don't think we have the time to do that. 2．I don't think the film is suitable for students because it's full of ________ (暴力的) crimes. 3．The organization may soon stop to ________ (存在) if more funding isn't provided. 4．The findings of the survey p________ me — they're not at all what I would have expected. 5．The________(氛围)over dinner was warm and friendly. 6．Water was f________to the development of life.

7．This kind of plant m________very quickly in warm weather.

8. There is a big underground railway___________(系统) in London, which is good for travelers. 9．It’s _______ (不像) him to be late；he’s usually on time.

10．I consider that it is h________ for students to play computer games，though some of them don’t think so.

Ⅲ. 在句中空白处填入适当的内容或括号内单词的正确形式(不多于3个单词)。 1. There is too much___________on TV. (violent)

2．Strenuous exercise can often do more________than good. (harmful)

3．Some believe in the ________ of life on Mars，while others consider it as a myth. (exist) 4．Everyone was a bit _________by her sudden departure. (puzzle) 5．“I’m sorry to disturb you，”Webb said ________(gentle)． 6．Look ! There is something _________ (float) on the water. IV:选词填空 in time now that break out prevent……from in one’s turn cheer up lay eggs give birth to block out watch out 1. We watched, amazed as fire _______________ on the outside of the spaceship as the earth’s

gravity increased.

2. As a result of this event, a great dust cloud formed in the sky____________ the sunlight. 3. The mammals ____________ young baby animals and produced milk to feed them. 4. They were ___________ to produce carbon, nitrogen, water vapour and other gases.

5. The cashiers were asked to__________ for faked banknotes.

6. Nothing would ___________him _________ speaking out against further injustices. 7. Walking does need a bit of practice ___________________ gravity has changed. 8. Reptiles appeared and they produced young generally by _________________.

9. Thus some small clever animals have, ______________, become the most important animals on

the planet.

10. Hearing the news that our team won, I ____________________ immediately. V:完成句子

1. 老师幽默的谈话让我们振奋，班里的气氛也放松了下来。

_______________________________________________________________________________ 2. 我们应该采取措施阻止水被污染。

_______________________________________________________________________________ 3. 既然我们彼此非常了解，我们会相处得很好。

_______________________________________________________________________________ 4. 你迟早会适应南京的气候的。

_______________________________________________________________________________ VI. 语法专练

1. ______ was more important to her, she told me, was her family.（08山东） A. It B. This C. What D. As

2._____ is known to us all is that the 2008 Olympic Games will take place in Beijing. （08福建） A. It B. What C. As D. Which 3. The lawyer rarely wears anything other than jeans and a T-shirt ______ the season. A. whatever

B. wherever

C. whenever

D. however

4. When asked _____ they needed most, the kids said they wanted to feel important and loved. A. what B. why C. whom D. which 5. ______wants to stay in a hotel has to pay their own way.

A. Anyone B. The one C. Whoever D. Who

6. Some children want to challenge themselves by learning a language different from ______ their parents speak at home. (浙江卷)

A. what B. that C. which D. one

7. The last time we had great fun was _______________ we were visiting the Water Park. A. where B. how C. when D. why

8. People in Chongqing are proud of ____________ they have achieved, in the past ten years. A. that B. which C. what D. how

9. All people, __ they are old or young, rich or poor, have been trying their best to help those in need since the disaster.

A. even if B. whether C. no matter D. however

10. It has been proved ___ eating vegetables in childhood helps to protect you against serious illnesses in later life. A. if

B. because

C. when

D. that