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【单选题】
检查是否对地短路,万用表读数,大于( )千欧,即电路是开路。
A.
10
B.
100
C.
1000
D.
10000
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参考答案:
举一反三
【判断题】当系统从某一始态变至另一末态,无论其通过何种途径,而ΔG的值总是一定的,而且总是等于W′
A.
正确
B.
错误
【单选题】The main reason(s) for an exporter to consistently offer quotes in the importer’s currency is that it makes it easier for the importer ___.
A.
to determine what its actual costs will be
B.
to avoid currency fluctuation risks
C.
to be able to use its own bank
D.
All of the above
【简答题】My offer was based on (1)_______ profit, not on wild speculations. We have (2)_______ recently, most of which are below 100 U.S. dollars. Moreover, We've kept the price close to the costs of (3)______...
【简答题】She is a ______(beauty) girl.
【简答题】American technology company SpaceX says it ____1____ as many as ______2_____ . SpaceX is working with U.S.-based Space Adventures Inc. to offer the space flights, the two companies recently announced....
【单选题】Peter is _____ to carry the heavy box. [     ]
A.
too strong
B.
strong enough
C.
so strong
D.
rather strong
【简答题】完成句子。 1.They  __________________________ (确信) that she will win. (sure). 2.She __________________________ (擅长跳高)(good). 3.I’m sorry __________________________ (弄丢了你的书)(lose). 4.Would you mind_________...
【单选题】She goes running ______.( )
A.
daily
B.
once in a while
C.
three times a week
【判断题】车削加工时当其它切削条件不变,进给量增加会使表面变得更粗糙。
A.
正确
B.
错误
【单选题】目前,电子标签应用的主要因素是()。
A.
成本
B.
管理
C.
回收
D.
读写
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