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【判断题】
高压设备发生接地内不得接近故障点4m以内,室外不得接近故障点8m以内。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】The concert last night wasn’t very good. Before it ended, the theatre was almost e .
【单选题】---I'm very nervous the night before the big exam . ---______ . I'm sure you can make it .( 2016 •鄂州)
A.
Take it easy
B.
Take your time
C.
Go ahead
D.
Enjoy yourself
【单选题】For millions of years before the appearance of the electric light, shift work, all night cable TV and the Internet, Earth's creatures evolved on a planet with predictable and reassuring 24-hour rhythm...
A.
Most people need less sleep when grown older.
B.
Most people need seven and a half hours of sleep every night.
C.
On average, people in the US today sleep less per night than they used to.
D.
Most people need more sleep when they are under pressure.
【单选题】It was not until mid-night_______ they reached the camp site.
A.
that
B.
when
C.
while
D.
before
【单选题】保障受试者权益的主要措施是
A.
知情同意书的签订
B.
伦理委员会严格审议试验方案
C.
伦理委员会的组成和工作不受任何参与试验者的影响
D.
伦理委员会与知情同意书
E.
伦理委员会的确立
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