Some chloronated flourocarbon refrigerants may decompose int

题目
单选题
Some chloronated flourocarbon refrigerants may decompose into a toxic irritating gas if it is ().
A

stored at temperatures below 60 degrees Fahrenheit

B

charged into a system having copper fittings

C

allowed to mix with compressor oil

D

exposed to an open flame or hot surface

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相似问题和答案

第1题:

Give the following java class:public class Example{public static void main(String args[]){int x[] = new int[15];System.out.println(x[5]);}}Which statement is corrected?()

A.When compile, some error will occur.

B.When run, some error will occur.

C.Output is zero.

D.Output is null.


参考答案:C

第2题:

It may take some time to get the British economy back on____________.

(A) way

(B) road

(C) track

(D) line


正确答案:C
解答参考:C.be/stay on track:未偏离目标,能取得成功;get/be back on track:重新回到目标,重新回到正轨。【译文】要让英国经济重新回到正轨,恐还需些时日。

第3题:

When a majority of team members must agree before a decision is reached _____.

A some team members may become alienated

B future group effectiveness may become damaged.

C the PM may lose credibility

D the project manager will most likely have to utilize a conflict resolution technique

E All of the above.


正确答案:E

第4题:

The human can react to any situation, some of which he may never have imagined.()


参考答案:正确

第5题:

You may try some games to play with your audience , but remember the gamesshouldn' t be too_________

A.complicated

B.confused

C.completed


参考答案:A

第6题:

22 When a majority of team members must agree before a decision is reached _____.

A. some team members may become alienated

B. future group effectiveness may become damaged.

C. the PM may lose credibility

D. the project manager will most likely have to utilize a conflict resolution technique

E. All of the above


正确答案:E

第7题:

104 When a majority of team members must agree before a decision is reached _____.

A. some team members may become alienated

B. future group effectiveness may become damaged.

C. the PM may lose credibility

D. the project manager will most likely have to utilize a conflict resolution technique

E. All of the above.


正确答案:E

第8题:

The uneven distribution of natural resources may also give absolute advantages to some countries.()

此题为判断题(对,错)。


正确答案:√

第9题:

We can infer by this label that ______.

A.the medicine could cause some people to feel nervous

B.children may take the same dosage as adults take

C.one may not take this medicine before going to bed

D.the medicine is liquid


正确答案:A
解析:B和C选项的内容与原文不符,属于错误信息;D选项内容也不正确,这种药为tablet意思为“药片”,本身并不是液体。A选项的内容可以由短文的最后一个句子“Reduce dosage if nervousness,restlessness,or sleeplessness occurs.”所确认。

第10题:

The use of high-tech products may produce some unexpected side (英译汉)effects.


参考答案:使用高科技产品对环境会产生某些意想不到的副作用。

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