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【单选题】
( )是PLC每执行一遍从输入到输出所需的时间。A.
运行时间
B.
扫描周期
C.
设定时间
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【简答题】A．Children get their personalities only from their parents. B．Parents affect their children's personalities very much. C．Children can adapt themselves to the environment they grow up in. D．Parents lik...
【简答题】Match the blanks with the words given below.
【简答题】翻译 1、—你愿意和我一起去看足球赛吗? —______ ______ ______ ______ ______ to see the football match with me? —好主意。 —That's ______ ______ ______ . 2、让我们晚上去吧. ______ ______ in the evening. 3、大明邀请我去参加他的生日聚会. Daming _____...
【简答题】Match the sentences with the words to be filled in the blanks.
【简答题】Match the blanks with the words given below.
【单选题】The second paragraph mainly tells us that ______
A.
parents should be strict with their children
B.
parental controls reflect only the needs of the parents and the values of the community
C.
parental restrictions vary, and are not always enforced for the benefit of the children alone
D.
parents vary in their strictness towards their children according to the situation
【简答题】Match the blanks with appropriate forms of copy, imitate or mimic:
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