【单选题】【消耗次数：1】
气压机组润滑油压（ ）时自保停机。
①
≤0.15MPa
②
≤0.12MPa
③
≤0.075MPa
④
≤0.05MPa
参考答案：
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相关题目
【单选题】
水泥胶砂强度试验三条试体28天抗折强度分别为7.0MPa，9.0MPa，7.0MPa，则抗折强度试验结果为
①
7.0MPa
②
8.4MPa
③
7.9MPa
④
8.7MPa
【判断题】
对一批牌号为Q235的钢筋进行抽检，钢板厚度为20mm，得到各试样的屈服强度检测值分别为：227.5MPa、220.3MPa、222.0MPa、225.8MPa、229.3MPa；钢筋拉断后伸长率分别为：21%、20%、23%、27%、31%。该批钢筋为带肋钢筋。（）
①
正确
②
错误
【单选题】
有湿空气的压力为0.106MPa，干空气分压为0.082MPa，若同温度下饱和水蒸气分压为0.062MPa，则此湿空气的相对湿度为 （ ）。
①
22.6%
②
38.7%
③
58.5%
④
75.6%
【单选题】
有湿空气的压力为0.106MPa，干空气分压为0.082MPa，若同温度下饱和水蒸气分压为0.062MPa，则此湿空气的相对湿度为 （ ）。
①
22.6%
②
38.7%
③
58.5%
④
75.6%
随机题目
【单选题】
— As we all know, the invention of the Internet was a great breakthrough in human history. ___________?— Yes, of course.
①
What is your opinion
②
Do you know the reason
③
Do you think so
④
what do you think?
【单选题】
The caregivers hope the elderly people will soon.（考点：recover）
①
regain
②
restore
③
recover
④
refeel
【单选题】
—Do you have much experience with caring for babies?— .
①
Yes, I do. I am responsible, loving, warm girl, and often take care of kids in my free time.
②
No, you are freshmen. You should work hard.
③
Yes, they are. They are very cute.
【单选题】
—Linda, what’s wrong with your grandmother?— .
①
She is not retired
②
She hurt her leg.
③
She got a new house.
④
She got a new book.
【单选题】
The better the elderly people are known, they are.
①
the happier
②
the happy
③
so happy
④
very happy
【单选题】
—Ken did badly in his math test. Im terribly worried about the result.— .
①
I am so happy he is very healthy.
②
Well, it is hard to see.
③
Come on. it isn’t the end of the world.
【单选题】
She chose to be a teacher, but personally I’d to be a caregiver.
①
fancy
②
prefer
③
love
④
hate
【单选题】
Translation: Apple has entered the textbook market.
①
苹果公司已经开发了市场学教材。
②
苹果公司已经进入了教材市场。
③
苹果已经在市场上销售了。
④
苹果已经在市场了。