What is the disadvantage for air transportation? （）A、Quick but not safeB、Less frequencyC、It can’t lift heavy goodsD、The highest cost in all transport modes

题目

What is the disadvantage for air transportation? （）

A、Quick but not safe
B、Less frequency
C、It can’t lift heavy goods
D、The highest cost in all transport modes

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相似问题和答案

第1题：

What a ________ smell! Open the window and air the room.

A、disgusting

B、pleasing

C、powerful

D、disturbing

参考答案：A

第2题：

The text is mainly about _____.

［A］ the advantage of having cosmetic surgery

［B］ what kind of people should have cosmetic surgery

［C］ the reason why cosmetic surgery is so popular

［D］ the disadvantage of having cosmetic surgery

正确答案：C

本题考查文章主旨。全文首句利用数据（10年和400%）说明现在美容手术很受欢迎。第一段分析了人们做手术的心理原因。第二段表面上在谈论做美容手术的年龄，其实从侧面也说明了人们随着年龄的增长有做手术的需求。第三、四段分别从手术费用和技术发展两个角度分析手术越来越普及的原因。因此，［C］是全文主旨的概括。其他项都是文章某一部分涉及的内容，不足以说明整篇文章的主旨大意，以偏概全，不入选。

第3题：

What a () smell! Open the window and air out the room.

A、disgusting

B、pleasing

C、wonderful

D、disturbed

参考答案：A

第4题：

what is the use of “unloader “on main air compressor ?

正确答案：The unloader on air compressor is used to reduce the high starting torqueduring starting and also provide a means of draining out the accumulating oil water .

第5题：

What does CAAC stand for?

A. Civil Air&Aviation Corp.

B. China Air&Aviation Civil

C. China Air Administration Corp.

D. Civil Aviation Administration of China

正确答案：D

第6题：

What is this passage mainly about?

A．Disadvantage of face recognition technology.

B．Purposes of face recognition technology.

C．Controversial face recognition technology.

D．Effect of face recognition technology.

正确答案：C
解析：文章讲述了警察局对这项技术非常谨慎，为监视摄像机的使用做了充分准备，但收效甚微。所以反对这项技术的人非常多。有人认为它是潜在的威胁，有人认为会侵犯守法公民，但马伦认为这个系统最终会和其他城市，其他州和联邦的执法部门连在一起跟踪罪犯和可疑的恐怖分子。所以说这项技术充满争议。因此选C。

第7题：

According to the passage，what is one disadvantage of skyscrapers that have mirrored walls?

A. The exterior surrounding air is heated。

B. The windows must be cleaned daily.

C. Construction time is increased.

D. Extra air-conditioning equipment is needed.

正确答案：A
[解析] 见第三段最后一句话，“装有镜面墙的摩天楼会加热它周围空气的温度，也会影响周围的建筑物”。

第8题：

What kind of planet will our children inherit? Will they have room to () air to breathe and food to eat?

A、wonder

B、stay

C、roam

D、play

参考答案：C

第9题：

If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, What should you do?

A.Close the inlet and outletvalves for diesel oil

B.Open the air nozzles in the secondary combustion chamber until it stops

C.Open the air nozzles in the primary combustion chamber until it stops

D.Close inlet valve for pressurized air

答案：B

第10题：

What is the function of an air receiver in the compressed air system on a ship?

A.Condenses moisture

B.Provides overpressure protection

C.Purifies the air

D.Acts as an accumulator

正确答案：D

What is the disadvantage for air

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