根据短文内容.从方框内选择单词.并用适当的形式填空.Johnson is an American. He has many1. for his holiday. He is going to China2. plane for travelling. He is going3. in China. And he is going to watch a table tennis matc 题目和参考答案——青夏教育精英家教网—

题目内容

根据短文内容，从方框内选择单词，并用适当的形式填空。

Johnson is an American. He has many1._________ for his holiday. He is going to China2._________ plane for travelling. He is going3._________ in China. And he is going to watch a table tennis match and he wants4._________ the players.

He is going 5._________ a walk around a country and collect6._______.Because he7. it is meaningful（有意义的）. And he hopes that the weather8. fine in Beijing every day. If it9.________, it will be wet and he will not be able10.______ that.

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There ________ a basketball match in our school this Saturday afternoon.

A. will have B. has

C. is going to be D. are going to be

Scientists have long believed one way to stop the Earth’s air from warming is by planting more trees. The idea is that more trees will take in or absorb(吸收) some of the CO2 in the air. CO2 is a gas released by cars, factories and other human activities. The gas traps heat in the Earth’s air, which warms the planet. However, two new studies have found that trees may not be as helpful in reducing CO2 as thought.

The first study was done at Duke University in Durham, North Carolina. Researchers pumped(打气) extra CO2 into a test area where green trees were growing. The trees grew thirty-four percent faster during the first three years. However, in time, the trees slowed to about their normal growth rate. The scientists say this is because trees need other nutrients(营养素), such as nitrogen(氮).

In the second study, researchers from Duke and Bowdoin College in Brunswick, Maine examined the soil(泥土) around trees. They discovered that as the leaves broke down into the soil, all the carbon was not trapped in the soil. Much of it was let into the air as CO2.

The findings of the two studies were published last month in Nature magazine. They suggest there is limited(有限的) value in planting trees to reduce the CO2 pollution in the air.

Forest planting has been a part of negotiations(谈判) on a world agreement to reduce greenhouse gases that scientists believe cause global warming. The United States, Canada, Japan and some other countries have supported the idea. But this new research suggests the idea is not as effective as environmental activists(积极分子) had thought. Scientist Ram Oren of Duke University led the study on tree growth. He says that earlier estimates(估计) on the ability of forests to absorb CO2 were overly hopeful.

Some other scientists say the research provides some of the first evidence on how trees react(反应) to CO2. Some other scientists say the research disputes(质疑) a belief among some coal and power companies. The companies say that more CO2 in the air will not create harmful global warming. Instead, they say it will increase forests and other plants.

1.Why did the researchers put trees in extra CO2 in the first study?

A. To learn whether trees can still absorb CO2 under extreme conditions.

B. To get more oxygen from these trees.

C. To know how much CO2 that trees can absorb.

D. To see the effect of CO2 on the growth rate of these trees.

2.What happened to the leaves falling from the trees in the second study?

A. They broke down and the main parts turned into oxygen.

B. They broke down and the carbon had mainly turned into CO2.

C. They broke down and the carbon was mainly absorbed in the soil.

D. They absorbed more CO2.

3.Scientist Ram Oren thinks that common beliefs of the tree’s ability to absorb CO2 are __________.

A. just right B. not acceptable

C. a bit too cheerful D. too dangerous

The exercises ________to be harder than we thought.

You should practice more before the exam. Remember, practice makes perfect.

A. turned out B. found out

C. made up D. took up

书面表达。

明天是母亲节，李玫想给妈妈一份特殊的礼物。根据所给信息，写一篇70个词左右的文章。短文开头已给出，不计入总词数内。

In the morning	In the afternoon	In the evening
buy some flowers	clean the house	talk to mother
buy some fruit and food for dinner	cook supper	watch TV with mother

Mother’s Day is coming

___________________________________________________________________________

完形填空：通读下面短文，掌握其大意，然后在各题所给的A、B、C、D四个选项中，选出一个最佳选项，并将答案写在试题前的括号内。

Mr. and Mrs. White have a son. His name is John. They love _______ son very much. But there is something wrong _______ the boy. He can not _______ himself. His parents do not know _______ is wrong. One day they take _______ to see a doctor. The doctor has a look at John carefully and find the boy can not see _______ . But the doctor can do nothing to help John.

After _______ years, they hear there is a very good _______ in a town not far away. So they _______ the boy to see him. The doctor _______ a small operation（手术）on John, then John can see clearly. All of them are very happy.

1.A．their B．his C．her D. mine

2.A．in B．with C．on D. of

3.A．look at B．look for C．look after D. look up

4.A．who B．where C．why D. what

5.A．her B．them C．him D. me

6.A．something B．anything C．nothing D. everything

7.A．a few B．a little C．a lot D. lot of

8.A．teacher B．worker C．friend D. doctor

9.A．take B．bring C．give D. carry

10.A．do B．does C．doing D. to do

Mrs. Li is looking forward to _______ her daughter. She studies in Australia now.

A．see B．to see C．seeing D. sees

根据上下文补全对话，每空可以填词或句子。

A: 1.____________________________?

B: I’m reading a book.

A: 2.____________ the book before?

B: No, never.

A: 3.__________ have you had it?

B: I’ve had it for two days.

A: 4.________________ the book?

B: It’s interesting.

A: Can you 5._______ it to me after you read it?

B: Certainly.

---_________________ you spell the word “pen”？ ---P?E?N.

A. How are B. How do

C. What do D. What're

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