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【判断题】
离心泵将低位敞口水池的水送到高位敞口的水槽中,若改送密度为1200kg/m3,其他性质与水相同的液体,则压头不变、流量不变、轴功率增大。A.
正确
B.
错误
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【简答题】I can handle this complex machine, but when it comes to repairing it, I know nothing about it. A)我能对付这台复杂的机器，但是让我来修理的时候，我就不知所措了。 B)我开过这台复杂的机器，但是当它送来修理时，我已经认不出它了。 C)我会操作这台复杂的机器，但是一说到修理机器，我就一窍不通了。 D)我能操...
【单选题】听力原文：M: Hi, thanks for your help. I guess I can handle the rest by myself. But just in case, are you going to be around later? W: I don't know, hut you can always ask Judy. She's really good with thes...
A.
She may not be able to help the man.
B.
She will talk to Judy about the problem.
C.
She isn't sure if Judy can solve the problem.
D.
The man should solve the problem by himself.
【单选题】I want to know can you help me handle it at destination and your ()
A.
cost
B.
charge
C.
h andling charge
D.
price
【简答题】阅读理解 Where there is a river, there is a city. Perhaps this is not always true, but it is true that many of the world's greatest cities have been built on the banks of a river. The Neva River flows th...
【单选题】在教学中，李老师为了让课件在他不在场的条件下也能很好地发挥作用，一般选择交互性课件，下面选项中不属于交互性课件的为（）。
A.
自学辅导类
B.
场景模拟类
C.
测试练习类的课件
D.
演示类课件
【简答题】January 1st is New Year’s Day. People all over the world celebrate this festival. On New Year’s Day there is a one-day holiday in most countries all the time. The real celebrations for New Year always...
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