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【判断题】
对单侧有电源的辐射形电网,电流保护装设在线路的末端。( )A.
正确
B.
错误
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举一反三
【多选题】Case study: G etting Results magazine documented the use of CFTs by Reprint Management Services of Lancaster, Pennsylvania, a small company with fewer than 30 employees. The owner of the business orig...
A.
Employees in support roles are more concerned with profits and ways to increase sales. They now realize that the more the company succeeds, the more they benefit directly.
B.
People communicate more openly and are more helpful to each other. There is a far greater sense of teamwork instead of each person looking out for number one.
C.
Employees' problem-solving skills have improved dramatically, but it is more difficult to build consensus for a given solution.
D.
People were more likely to be passive and quiet, reasoning that the problem was not their responsibility
E.
People recognize that there is strength in diversity—that not everyone has to agree on an issue. They know they are being understood, but that some people may still choose to disagree with them, and that such differences are acceptable.
【单选题】若有如下语句： int x=3; do{ printf('%d/n',x-=2);} wbile(! ( --x));则上面程序段( )。
A.
输出的是1
B.
输出的是1和-2
C.
输出的是3和0
D.
是死循环
【多选题】离心机在使用中以下哪个操作正确( ) 。
A.
离心管内样品量可以随便选取
B.
对角放置样品
C.
使用前检查转子是否松动
D.
等到转子停下来再打开上盖
E.
样品量必须一致
【简答题】使用离心机离心样品前,必须使离心管____。且对称放入离心机。
【多选题】使用离心机时,必须要注意( )问题。
A.
离心管(及其套管)负荷平衡
B.
离心管(及其套管)对称放置
C.
开机前检查转速是否已调至最小
D.
缓慢升速
E.
待离心机停稳后,方可打开离心机盖取出样品
【简答题】B.2. 2. e.g. However, the average journey time has
increased in large cities as a result of widespread
automobile use. a. (every eight
seconds, a person dies, water pollution) b. (problems of low
econ...
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