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【单选题】
The editor asked his journalists not to _____ any details in their reports of the accident.
A.
leave for
B.
leave on
C.
leave off
D.
leave out
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参考答案:
举一反三
【简答题】阅读理解。 Until the 1980s, the American homeless population comprised (组成) mainly older males. Today, homelessness strikes much younger part of society. In fact, a 25-city survey by the U. S. Conference o...
【单选题】精密度可以表征测量值的分散程度,反映了测量值的()误差的影响。
A.
系统
B.
随机
C.
粗大
D.
综合
【单选题】配电盘二次线路的绝缘电阻不应低于( )MΩ
A.
0.5
B.
1
C.
3
D.
2
【单选题】配电盘二次线路的绝缘电阻不应低于()。
A.
7MΩ
B.
2MΩ
C.
1MΩ
【单选题】配电盘二次线路的绝缘电阻不应低于()MΩ。
A.
0.5
B.
1
C.
2
【简答题】Kite surfing as a water sport began in the 1980s, but didn’t get popular until the end of last century. It is also known as kite boarding, and in some European countries as fly surfing. Kite surfing w...
【判断题】因为MCS-51可上电复位,所以MCS-51系统也可以不需要复位电路。
A.
正确
B.
错误
【简答题】阅读理解。 Kitesurfing as a water sport began in the 1980s, but didn't get popular until the end of last century. It is also known as kiteboarding, and in some European countries as flysurfing. Kitesurfing...
【简答题】阅读理解。 Kitesurfing as a water sport began in the 1980s, but didn't get popular until the end of last century. It is also known as kiteboarding, and in some European countries as flysurfing. Kitesurfing...
【单选题】配电盘二次线路的绝缘电阻不应低于( )MΩ。
A.
0.5
B.
1
C.
2
D.
3
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