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提问人:网友hhhh7123 发布时间:2022-01-06
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Why did it take so long to develop the X-ray microscope?A.Funds for research were insuffic

Why did it take so long to develop the X-ray microscope?

A.Funds for research were insufficient.

B.The source of illumination was not bright enough until recently.

C.Materials used to manufacture X-ray tubes were difficult to obtain.

D.X-ray microscopes were too complicated to operate.

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更多“Why did it take so long to develop the X-ray microscope?A.Funds for research were insuffic”相关的问题
第1题
听力原文:M: What was the party like last night, Jane?W: Really Fantastic l There are some

听力原文:M: What was the party like last night, Jane?

W: Really Fantastic l There are some interesting people there, and we have had a good time together. Why couldn't you come?

M: Well, I had to work overtime yesterday. And when I returned home, I had a headache, so I had to go to bed straightly. But I was exhausted, so I just couldn't get to sleep for hours.

W: What a pity. Why don't you take a sleeping pill?

M: To speak my mind, I don't like them. I used to take them after I had spent a long period of time working at night.

W: How many did you use to take?

M: Three every night.

W: Good heavens. Why did you take so many?

M: Because I had great pressure. The doctor said they weren't very strong. Anyway, I used to feel awful the next morning.

W: I am sure you did.

M: The doctor said I had to be careful

W: I couldn't agree more.

M: So I stopped drinking coffee late at night instead.

(20)

A.He didn't like the host.

B.He was not invited.

C.He has another appointment.

D.He had a headache after work.

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第2题
Why did it take the scientists so long a time to find the new planets?A.Because they are m

Why did it take the scientists so long a time to find the new planets?

A.Because they are much darker than their parent stars.

B.Because there are too many of them.

C.Because there is too much light in the universe.

D.Because they are next to a huge explosion.

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第3题
Why did the girl ask her father so many questions?A.She wanted to go to Beijing.B.She want

Why did the girl ask her father so many questions?

A.She wanted to go to Beijing.

B.She wanted to take part in the competition.

C.She wanted to get some information about the competition.

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第4题
听力原文:W: I have been waiting for two hours. Why did you take so long to park the car?M:

听力原文:W: I have been waiting for two hours. Why did you take so long to park the car?

M: I'm sorry. I had driven around the place for ten circles before I could find a place to park.

What do we learn from the conversation?

A.The man apologized to the woman because he was careless.

B.The man drove around the city with the woman.

C.The man lives far away from the woman.

D.It's not easy for the man to find a place to park the car.

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第5题
Why did the agent take a picture of one of the women at the brief moment she faced his direction?

A.Because he knew one of the two women and wanted to take a picture of her.

B.Because that was one of the few exciting things in his joB

C.Because he was well-trained as a secret agent.

D.Because he was so bored and wanted to entertain himsel

F.

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第6题
【口语题】Talk about eternal friendship withyour partner. You can take turns asking your par
tner the following questions. 1.Do you think friendship is important in your life? Why do you think so? 2. What do you think a good friend should be like? Who is your best friend? 3. Where does he or she come from? How did you get to know each other?

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第7题
Why did Miguel change his mind and take part in the fashion show?A.He was trying to make L

Why did Miguel change his mind and take part in the fashion show?

A.He was trying to make Leanna smile.

B.He had to take Glenn’s place.

C.He was eager to be a model for a long time.

D.Mr. Ashby and Leanna begged him to.

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第8题
听力原文:Why did Matilda leave so early?(A)She had a dentist' s appointment.(B)I have to l

听力原文:Why did Matilda leave so early?

(A) She had a dentist' s appointment.

(B) I have to leave in 10 minutes.

(C) She is very punctual.

(13)

A.

B.

C.

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第9题
听力原文:M: I was so angered when the taxi driver tried to overcharge me that I called the
policeman.

W: That kind d thing seems to be happening quite often. I think you did the right thing.

Q: Why was the man annoyed?

(14)

A.Because the taxi driver tried to overcharge him.

B.Because the policeman had stopped him.

C.Because the taxi driver refused to take him.

D.Because he had been overtaken by many cars.

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