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【判断题】
进行电焊.气焊等具有火灾危险作业的人员和自动消防系统的操作人员,必须持证上岗,并遵守消防安全操作规程。A.
正确
B.
错误
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【简答题】This movie was boring enough. He fell asleep halfway.(合并成一句) This movie was ____ boring ____ he fell asleep halfway.
【单选题】He was about halfway through his meal _____ a familiar voice came to his ears. [ ]
A.
why
B.
where
C.
when
D.
while
【简答题】听力原文：Man is a child first, after which he attains his youth. After youth he goes through the second phase of childhood, also called as old age. This is the phase where everyone needs a comfort of a se...
【单选题】He was about halfway through his meal ________ a familiar voice came to his ears. [ ]
A.
what
B.
where
C.
when
D.
while
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