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【判断题】
集中储存就是大规模储存。
A.
正确
B.
错误
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【单选题】下列数列中既是等差又是等比数列的是( )
A.
0,0,0,0 ,…
B.
2,6,10,14 ,…
C.
4,4,4,4  ,…
D.
1,2,4,8,16,…
【简答题】There is always too much ______(交通)on the roads in Beijing.
【单选题】Judging from tales about the rise and fall of empires, there is always a point when things are going so well that the emperors doubt that anything could ever go wrong. 'Thrift,' warned Nero's adviser ...
A.
Frugality.
B.
Banking.
C.
Courage.
D.
Charity.
【多选题】电压互感器二次回路的熔断器的选择原则是()。
A.
熔断器的熔丝必须保证在二次电压回路内发生短路时,其熔断的时间小于保护装置动作的时间;
B.
熔断器的容量应满足在最大负荷时不熔断;
C.
熔丝的额定电流应大于最大负荷电流;
D.
当电压互感器二次侧短路时,不致引起保护的动作。
【判断题】交流操作电源可有两种获得途径:一是取自厂用电变压器;二是当保护、控制、信号回路的容量不大时,交流操作电源可以取自电压互感器和电流互感器二次侧。
A.
正确
B.
错误
【简答题】Part 2: Cloze Passage 1 Tokyo is one of those places that you can love and hate at the same time. In Tokyo there are always too many people in the places where I want to (61) . Of course there are too...
【单选题】安装新的活塞环时应______,以保证活塞环正常工作。I.采用专用工具;II.修锉搭口;III.新环装在第一、二道环槽;IV.错开各环开口位置;V.确定下端面。
A.
Ⅰ+Ⅱ+Ⅳ
B.
Ⅰ+Ⅳ+Ⅴ
C.
Ⅱ+Ⅲ+Ⅴ
D.
Ⅰ+Ⅲ+Ⅳ
【单选题】今年来最常用的蛋白质含量测定方法是()
A.
BCA法
B.
紫外吸收法
C.
考马斯亮蓝法
D.
SDS-page法
【单选题】There is always room for improvement of course in our school management, but we, ______ our part, shouldn't be too hard to please.
A.
for
B.
on
C.
in
D.
as
【简答题】图中“2”指的是?
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