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提问人：网友wangjunbo 发布时间：2022-01-06
[主观题]

You must take good care of the drainage cock of the air control system. Because lead sc

ale formed which might malfunctions the pilot control valve and other instruments.

A.the temperature

B.the rust

C.the pressure

D.the humidity

简答题官方参考答案 （由简答题聘请的专业题库老师提供的解答）
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更多“You must take good care of the drainage cock of the air control system. Because lead sc”相关的问题
第1题
When you meet an American friend of yours who are just off a plane in the airport, yo
u can greet him by saying().

A、You must have had a tiring journey.

B、Did you have a good trip？

C、How long did it take you to get here？

D、So you are here finally!

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第2题
For an argumentative essay to be effective, it must contain certain elements that will per
suade the readers to see things from your perspective. For this reason, you must take a few minutes to plan and prepare before you jump into writing an argument essay. You should

A、Find a good topic

B、Consider both sides of your topic and take a position

C、Gather evidence

D、All of them

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第3题
When you meet an American friend of yours who are just off a plane at the airport, yo

A.So you are here finally

B.Did you have a good trip

C.You must have had a tiring journey

D.How long did it take you to get here

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第4题
Which of the following infinitives functions as an if-clause？A．To be a good citizen, one m

Which of the following infinitives functions as an if-clause？

A．To be a good citizen, one must obey the law.

B．He opened the door to find the room empty.

C．I came here to study English grammar.

D．To hear you sing, people might take you for a girl.

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第5题
"There is no need to do so, " the doctor said with a smile. "When I told you to take your
coat and shirt off, you heard me all right, so there is nothing wrong with your ears. You saw your chair, so your eyes are good. You could take your clothes off and sit on the chair, so you must be in good health. And you understood what I told you to do and did it without a mistake, ...."

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第6题
You must take good care of the drainage cock of the air control systemBecause（）leads scale formed which might malfunction the pilot control valve and other instruments

A．the temperature

B．the rust

C．the pressure

D．the humidity

点击查看答案
第7题
Section ADirections: In this section, you will hear 8 short conversations and 2 long conve

Section A

Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.

(12)

A．She will attend a cross-cultural lecture.

B．She will take part in a charity dance.

C．She will talk to the president of Harvard University.

D．She will take the day off to have a good rest.

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第8题
Woman: Can you tell me when I can leave here, doctor？ I have some important business to at
tend to. Man: That depends on how your condition reacts to our treatment. You may leave as soon as the bleeding stops. I think that will take a couple of days. Question: What does the doctor mean？

A．The patient must receive treatment regularly.

B．The patient can"t leave the hospital until the bleeding stops.

C．The patient"s husband can attend to the business in her place.

D．The patient must take a good rest and forget about her business.

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第9题
听力原文：M: All good things must come to an end, they say. So if you will excuse me, I wil
l be leaving.

W: It's a shame that you have to leave so early. But you have an early flight tomorrow.

Q: What do you learn about the man？

(14)

A．His relation with the woman comes to an end.

B．He is going to take an air trip.

C．He is expressing his gratefulness.

D．He feels ashamed to ask for excuse.

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第10题
听力原文：M: The transmission in your car must be replaced. A transmission job is about $40
0, but since the car is still under warranty, you will have to pay only a small service charge.

W: That's good news. How long do you think it'll take？

Q: How much will it cost the woman to get her car fixed？

(15)

A．＄400.

B．A little less than ＄400.

C．No money at all.

D．A great deal less than ＄400.

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