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【单选题】
判断字符型变量c1是否为小写字母的正确表为( )A.
'a'<=c1<='z'< /div>
B.
(c1>='A')&&(c1
C.
('a'>=c1)||('z'<=c1)< /div>
D.
(c1>='a')&&(c1<='z')< /div>
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【多选题】矿山建设项目或者用于生产.储存危险品的建设项目未能做到安全生产法关于“三同时”的有关规定,则依法按( )进行处罚。
A.
责令限期改正
B.
如逾期未改正的，责令停止建设或者停产停业整顿
C.
如逾期未改正的，可并处罚款
D.
造成严重后果，构成犯罪的，依照刑法有关规定追究刑事责任
【简答题】函数f（x）= x -cosx在[0，+∞）内 （ ） A．没有零点 B．有且仅有一个零点 C．有且仅有两个零点 D．有无穷多个零点
【单选题】The writer thinks British drivers' behaviour to the misconduct of other drivers is too ______.
A.
timid
B.
unassertive
C.
tolerant
D.
aggressive
【单选题】My sister has been feeling ______ since she started her first job. She can’t sleep well.
A.
stressed
B.
unpleasant
C.
confident
D.
sudden
【单选题】No sooner _____ to sleep than the telephone rang once more.
A.
she went
B.
she had gone
C.
did she go
D.
had she gone
【单选题】Hardly ________ to sleep than it was time to get up again.
A.
she had gone
B.
did she go
C.
had she gone
D.
she went
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