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【简答题】
信号回路中的信号类型有事故信号。 _____ 、位置信号、指挥信号和联系信号。
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举一反三
【单选题】It is said that ______ regularly is good for us, for we can know whether we are healthy or not. [ ]
A.
examined
B.
examining
C.
being examined
D.
having examined
【单选题】From the passage, we can infer that a good teacher can
A.
be a good actor
B.
work in the same way as the actor
C.
learn something from a good actor
D.
play his role regardless of the reaction of his audience
【单选题】__________ technique in medicine and surgery we have, patients we can save
A.
The good; the man
B.
The better; the much
C.
The better; the more
D.
The best; the more
【单选题】It’s two in the afternoon. We can say to Miss Fang.
A.
Good night
B.
Good morning
C.
Good evening
D.
Good afternoon
【单选题】We can all his knowledge.A．benefitB．benefit fromC．be good forD．do good to
A.
We can all____ his knowledge. A．benefit
B.
benefit from
C.
be good for
D.
do good to
【单选题】Vacation is good for us. Though we can't our troubles in life for ever, we can leave them behind when we are on vacation. [ ]
A.
move
B.
discourage
C.
replace
D.
remove
【简答题】We can pack the goods in accordance with your ______(指示).
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