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【单选题】
泵的额定转速和额定压力下的流量称为(  )
A.
额定流量
B.
瞬时流量
C.
理论流量
D.
实际流量
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参考答案:
举一反三
【简答题】Mac and Dick managed all of the following businesses except ______. A) a drive-in B) a cinema C) a theater D) a barbecue restaurant
【判断题】伸长率是衡量钢材塑性性能的指标之一。
A.
正确
B.
错误
【判断题】伸长率 δ 是 衡量钢材塑性性能的指标。( )
A.
正确
B.
错误
【单选题】Who speaks English best of all?
A.
Jack.
B.
Dick.
C.
Bob.
【单选题】Dick: What shall I do with this frying pan? May: It's dirty, isn't it? Dick: Yes. May: Well, could you put it in the dishwasher? It's full, so you could put it on. Dick: OK. ______ May: Oh, the deterg...
A.
What shall ! use?
B.
Where is the dishwasher?
C.
Can I do it later?
D.
How should I do?
【单选题】—There ________ no milk in the fridge (冰箱). Could you get some for me,Dick? —All right, Mum. [     ]
A.
is
B.
are
C.
was
D.
were
【单选题】All but Dick ________ in Class Three this term.
A.
are
B.
is
C.
were
D.
was
【判断题】判断(2.5分) 钢材的伸长率是衡量钢材塑性性能的指标,是通过一次静力拉伸试验得到的。
A.
正确
B.
错误
【单选题】Mac and Dick managed all of the following businesses except ______.
A.
a drive-in
B.
a cinema
C.
a theater
D.
a barbecue restaurant
【单选题】The giant Moby Dick may symbolize all EXCEPT .
A.
mystery of the universe
B.
sin of the whale
C.
power of the Great Nature
D.
evil of the world
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