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【判断题】
继电器是用小电流控制大电流的一种自动开关,在电路中起着自动调节、安全保护、转换电路等作用。A.
正确
B.
错误
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【简答题】要求同上。 Few people would ever think of beginning a new job when they are old, but Anna didi it ait the age of 76. Whe was (1)_________ in a poor family. After working on the farm for many years, she tur...
【单选题】— When did you get home last Friday? — It was not until midnight ______ it was raining hard. [ ]
A.
when
B.
which
C.
before
D.
that
【单选题】It was in that small room ______ they worked hard and dreamed of better days to come.
A.
where
B.
in which
C.
which
D.
that
【单选题】It is really hard to find a nice place in this city we can have a picnic.
A.
where
B.
that
C.
which
D.
when
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