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【单选题】
所谓“金玉在九窍，则死人为之不朽”，主要是流行于()A.
魏晋南北朝
B.
汉代
C.
唐代
D.
清代
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【简答题】可编程序控制器按照I/O点数容量分()型PLC、()型PLC、()型PLC
【多选题】对某市工业生产进行调查,得到以下资料,其中属于统计指标的有( )。
A.
某企业是亏损企业
B.
工业总产值为 129000 万元
C.
职工人数 100 万人
D.
某企业职工人数是 3000 人
E.
机器台数为 89000 台
【单选题】A stupid man tells a woman to shut up,while a wise man tells her that her mouth is quite beautiful___it is closed.
A.
unless
B.
since
C.
when
D.
though
【单选题】A successful man is always asked--"What is the secret of your success?" People n ever ask a man who is a failure "What is the secret of your failure?" It is quite easy to see that they are not interes...
A.
Because failure is not as important as success.
B.
Because everyone seeks success not failure.
C.
Because failure is a worthless and helpless topic.
D.
Because people are reluctant to talk about failure.
【简答题】A passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C, and D. You should decide on the best choice . A successful man is always asked...
【简答题】可编程序控制器按照I/O点数容量分()型PLC、()型PLC、()型PLC
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