题目内容

【题目】词汇。

1The news made everyone__________(吃惊).

2Zhou Jielun is__________(著名) for his songs.

3___________(吸烟) is bad for your health.

4I don’t__________(想吃) anything. I feel terrible.

5Would you please tell us how to make our kites__________()high?

6The small temple ____________ (位于) the top of the mountain.

7___________(四岁时) she began to learn English

8You____________(最好设计) a certain kind of machine to show us.

9____________(迟早) he can catch up with his classmates.

10Bicycles______________(广泛地使用) in China.

【答案】

1surprised

2famous

3Smoking

4feel like eating

5fly

6lies at

7At the age of four

8had better design

9Sooner or later

10are widely used

【解析】

1句意:这个消息让每个人都很吃惊。

考查“make sb/sth+形容词”用法。所以需要填surprise的形容词形式surprised

2句意:周杰伦因为他的歌很出名。

考查“be famous for 因为……而出名”用法。所以答案是形容词famous

3句意:吸烟对你的健康有害处。

吸烟是“smoke”,因为表吸烟行为,所以用其动名词形式smoking。所以答案是smoking

4句意:我不想吃任何东西。我感觉不舒服。

想吃是“feel like eating”,因为用在don’t之后,所以用动词原形,所以答案是feel like eating

5句意:你能告诉我们如何让我们的风筝飞得高吗?

考查“make sb/sth+动词原形”用法。故填fly的原形。所以答案是fly

6句意:这个小庙位于山顶。

位于是“lie”;在山顶是“at the top of the mountain”。又因为主语the temple是单数,需要用动词三单,所以答案是lies at

7句意:她四岁时开始学习英语。

……四岁时是“at the age of”结构,所以答案是at the age of four

8句意:你最好设计一种有把握的机器来展示给我们。

最好是“had better”,其后加动词原形;设计是动词“design”。所以答案是had better design

9句意:迟早,他会赶上他的同学。

迟早是“sooner or later”,又因为用在句首,所以答案是Sooner or later

10句意:自行车在中国广泛地被使用。

被使用是“be used”,广泛地是“widely”;又因为主语是bicycles是复数,所以答案是are widely used

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【题目】 Young sunflowers turn and swing every day. New findings add to evidence that the plants are animal-like.

Harmer, a professor in the University of California at Davis, Department of Plant Biology, carried out a series of experiments on sunflowers in the field, in pots outdoors and in indoor growth chambers.

By staking plants so that they could not move, Harmer showed that he could destroy their ability to track the sun. He also noticed that sunflowers prevented from moving were not as tough and leafy as those that were free to move. When plants were moved indoor with a settled overhead light, they continued to swing back and forth for a few days.

The indoor plants did start tracking the “sun” again when the apparent source of lighting was moved across the room. The plants could reliably tack the movement and return at night when the artificial day was close to a 24-hour cycle, but not when it was closer to 30 hours.

When sunflowers track the sun, the east sides of their stems grew more rapidly than the west sides. At night, the west sides grew faster as the stem swung the other way. The team identified a number of genes that were expressed at higher levels on the sunward side of the plant during the day or on the other side at night. A plant growth-regulating hormone (激素), called auxin, appears to be a key driver.

The “dance” to the sun cycle obviously slows when the sunflower matures (成熟) and its flowers open up. At that point, the plants stop moving during the day and settle down facing the sun in the east.

“Bees like warm flowers.” Harmer said, adding that the bees are cold-blooded, so landing on a warm flower saves them energy and perhaps feels really good.

“The morning warmth changes the flowers in a way to make them more appealing to insects, perhaps causing them to release more attractive scents earlier in the day.” he said “We’re currently testing this idea.”

1Why did Harmer do the experiment on sunflowers?

A.To see how sunflowers grow upB.To show what sunflowers’ genes are.

C.To study why sunflowers track the sun.D.To check if sunflowers swing in cloudy days.

2What does the underlined word “staking” probably mean in Paragraph 3?

A.breakingB.controllingC.growingD.searching

3What is the result of sunflowers being stopped from moving?

A.They will produce a number of new genes.B.They will grow faster than usual.

C.They won’t swing back though set free.D.They won’t grow well.

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