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【判断题】
( )可编程控制系统由可编程序控制器、编程器、信号输入部件、输出执行部件等组成。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】请根据材料内容，完成各题。 I had a good time on Children’s Day this year. Do you want to know how I spent it? On the morning of Children’s Day. mum came to my (1)_________with a smile on her face. “________Childr...
【单选题】I want to buy a nice present _____ my mother and I must give it _____ her myself. [ ]
A.
for; to
B.
to; for
C.
for; for
D.
to; to
【单选题】I expressed my opposition directly and I don’t want to give you a (n) ______impression.
A.
urgent
B.
illegal
C.
impolite
D.
false
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