Tom never loses heart in face of difficu

题型:选择题

问题:

Tom never loses heart in face of difficulties,__ ,he always tries his best to overcome them.

A.On the other hand

B.On the contrary

C.At the same time

D.As a result

考点:介词和介词短语
题型:选择题

I am supposed ______ you a valuable present for your birthday, but all my money ______.

[      ]

A. to give; was ran out

B. to have given; ran out

C. given; ran out

D. have given; was ran out

题型:选择题

将54200表示成a×10n的形式,则a的值为(  )

A.5.42

B.0.542

C.54.2

D.542

题型:选择题

下列关于仓库商品储存量的理解,正确的是()。

A.单位面积储存量在主观上会受到储位管理、调度安排、堆垛技术条件的影响

B.储存以重量吨为单位计算的商品,测定单位面积储存量时,只要核定库房高度利用程度即可

C.储存以体积吨为单位计算的商品,测定单位面积储存量时,只要核定库房载重量利用程度即可

D.装卸机械不会影响到仓库单位面积储存量

题型:选择题

一个橘子大约重2克。[ ]

题型:选择题

常用的侦检器材的种类有哪些?

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