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【简答题】
S7-200 PLC内部的软元件有输入继电器、 、通用辅助继电器、 、计数器等。
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【单选题】His father often tells him _______ in that river because it’s dangerous.
A.
not to swim
B.
not swim
C.
swim
D.
to swim
【简答题】根据句意及首字母提示完成空格中所缺的单词。 1. His father often goes abroad and he can speak several foreign l_______. 2. China is one of the largest c_______ in the world. 3. My son likes eating hamburgers. He says they a...
【单选题】His father often comes back from work at 10 o’clock at night _______ his mother is waiting for him.
A.
that
B.
when
C.
where
D.
which
【单选题】Linda with his father often _________ the zoo to see the animal.
A.
go
B.
goes
C.
go to
D.
goes to
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