The house rent is expensive. I’ve got ab

题型:选择题

问题:

The house rent is expensive. I’ve got about half the space I had at home but I have to pay_______here.

A.as three times much

B.as much three times

C.much as three times

D.three times as much

考点:序数词小数分数量词
题型:选择题

ELISA中最常用的固相载体是()。

A.聚氯乙烯

B.聚苯乙烯

C.三聚氧胺

D.尼龙膜

E.玻璃

题型:选择题

可引起下肢发凉、麻木和典型的间歇性跛行()

A.主动脉粥样硬化

B.脑动脉粥样硬化

C.肾动脉粥样硬化

D.肠系膜动脉粥样硬化

E.四肢动脉粥样硬化

题型:选择题

脾气虚损可出现哪些症候?

题型:选择题

根据《煤矿防治水工作条例》的要求,孔口管的下入垂直长度与水压相对应,水压在1-2MPa时,孔口管的下入垂直长度为多少?

题型:选择题

如图所示,一个重为5N的大砝码,用细线悬挂在O点,现在用力F拉砝码,使悬线偏离竖直方向30°时处于静止状态,此时所用拉力F的最小值为()

A.5.0N

B.2.5N

C.8.65N

D.4.3N

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