You’ve just missed your , and you will have to wait for the next round.A．chanceB．turnC．timeD．round 题目和参考答案——青夏教育精英家教网—

题目内容

You’ve just missed your ______, and you will have to wait for the next round.

A．chance

B．turn

C．time

D．round

B解析:
你得等下一轮了，所以是你错过了你的机会。由round 判断是 turn

练习册系列答案

A. How old is it?
B. Where did you go?
C. Sounds interesting.
D. When did you go there?
E. There are many things to play with.
F. How do you like it?
G. How did you get there?

A. Jack, I hear that you've just come back from Hong Kong? 1
B. Oh, it's wonderful. It's one of the most interesting places I have ever seen.
A. 2
B. I went to many places, but I'm interested in Disneyland most.
A. Could you tell me something about it?
B. Well, it has lots of cartoon characters there, like Mickey Mouse, Donald Duck and so on.
A. 3 Tell me more about it.
B. 4 Such as the roller coaster.
A. 5
B. I went there by plane.

Have you ever noticed that your fingertips are winked when you’ve just finished swimming or washing dishes? It seems as if your hands have aged 30 years in a second. But is this an accident? Or is it something that nature has built into our bodies?

If your finger’s wrinkling up had no use at all, “ it wouldn’t need to.” Professor Tom Smulders from Newcastle University, UK, told BBC News. By studying wet fingers closely, Smulders and his partners found that the wrinkles looked a bit like the patterns on the car tire or on the bottom of the running shoes. So they made a guess that wrinkles on fingers might be able to help the hand hold things more tightly.

To test this, researchers asked 20 people to pick up marbles from water with their hands. But before they started, some of the people had to keep their hands in water for half an hour.

The researchers found that the people with wrinkled fingers completed the task the task faster than those with dry hands. But when they were asked to move dry marbles, all the people performed equally well, no matter they had the wrinkled fingers or not.

Our ancestors might not have played with marbles, but wrinkled fingers could have made it easier for them to climb around in the wet forests and catch fish from rivers, researchers say.

Similarly, our toes also get wrinkled in water. This may have developed from our ancestor’s need to run on wet ground.

But the question is, if wrinkled fingers are so helpful, why don’t our hands just stay that way all the time? Researchers explained that wrinkling has its disadvantage: wet fingertips are far less sensitive than smooth ones, reducing our sense of touch.

1.What does the underlined world “this ” in the third paragraph refer to?

A. Whether fingers have wrinkles after they are put in water.

B. Whether wrinkled fingers can hold things more tightly.

C. Why keeping things in water makes them wrinkled.

D. Why wrinkles help hands hold things more tightly.

2.The test shows that ________.

A. winkled hands hold dry things more tightly than dry hands do.

B. dry hands hold dry things more tightly than wrinkled hands do.

C. winkled hands hold wet things more tightly than dry hands do.

D. dry hands hold wet things more tightly than wrinkled hands do.

3.What might be the disadvantage of wrinkled fingers?

A. They are too sensitive to be touched.

B. They might be more likely to get hurt.

C. They cannot hold things tightly enough.

D. They are not so sensitive as dry fingers.

Don’t worry, you’ve just got ____.

A．a little cold

B．a bit cold

C．a bit of cold

D．a small of cold

阅读下面对话，从方框内 7 个选项中选择 5 个恰当的句子完成此对话，并将其番号填入题前括号内。

A. How old is it?

B. Where did you go?

C. Sounds interesting.

D. When did you go there?

E. There are many things to play with.

F. How do you like it?

G. How did you get there?

A. Jack, I hear that you've just come back from Hong Kong? 1.

B. Oh, it's wonderful. It's one of the most interesting places I have ever seen.

A. 2.

B. I went to many places, but I'm interested in Disneyland most.

A. Could you tell me something about it?

B. Well, it has lots of cartoon characters there, like Mickey Mouse, Donald Duck and so on.

A. 3. Tell me more about it.

B. 4. Such as the roller coaster.

A. 5.

B. I went there by plane.

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