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【判断题】
PLC 的输出继电器的线圈不能由程序驱动，只能由外部信号驱动。A.
正确
B.
错误
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What happened to the horse lover when he tried to slap the fly on his horse’s leg?
A.
By doing so, he frightened his horse and got killed by the horse
B.
By doing so, his horsed loved him more than ever
C.
By doing so he created a good environment for his horse.
D.
By doing so he startled the fly and the fly flied away
【单选题】Ted worked like a horse in his youth, ______ contributed to his great success later as a businessman.
A.
that
B.
who
C.
what
D.
which
【单选题】The peasant went to town to look for his lost horse.
A.
Right.
B.
Wrong.
C.
Don't say.
【简答题】A long time ago, there was an Emperor who told his horseman that if he could ride on his horse and cover as much land area as he liked, then the Emperor would give him the area of land he covered. Sur...
【单选题】进口配额管理是指国家在一定时期内(一般是1年)，国家对部分商品的进口制定配额优惠税率并规定该商品的进口数量总额，在限额内，经过国家批准后允许按照配额内的优惠税率征税进口，如超出限额则按照配额外的税率征税进口的措施。 ( )
A.
正确
B.
错误
【单选题】国际上把6月3日定为“国际禁毒日”,后又把6月26日定为“国际禁毒日”,这些规定与中国的哪一事件直接相关
A.
鸦片战争
B.
虎门销烟
C.
《南京条约》的签订
D.
英国向中国走私鸦片
【单选题】One day a poor man ____ his horse to a tree, and sat down to eat his lunch.
A.
closed
B.
tyed
C.
tied
D.
lied
【单选题】许可证件管理系指一定时期内(一般是1年)，国家对部分商品的进口制定关税配额税率并规定该商品进口数量总额，在限额内，经国家批准后允许按照关税配额税率征税进口，如超出限额则按照配额外税率征税进口。 ( )
A.
正确
B.
错误
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