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【单选题】
接通延时定时器TON的使能IN输入电路_______时开始定时,当前值大于等于预设值时其定时器位变为_______,梯形图中其常开触点_______,常闭触点_________。A.
接通，ON，接通，断开
B.
断开，ON，断开，接通
C.
接通，OFF，断开，接通
D.
断开，OFF，接通，断开
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皮皮学刷刷变学霸
举一反三
【简答题】tutorial 3月7日.mp4 Write comments on at least one group ’ s tutorial discussion
【简答题】妊娠 18-20 周有胎动:次数为 。
【判断题】Ethnocentrism is the inclination to view one ’ s own group as natural and correct, and all others as aberrant.
A.
正确
B.
错误
【简答题】tutorial 3月7日.mp4 Write comments on at least one group ’ s tutorial discussion
【简答题】Say what one is replacing in the following text. A group of people marching on the road should keep to the left. There should be look-outs in front and at the back wearing reflective clothing at night...
【单选题】__________ refers to one ’ s sense of belonging to a particular culture or ethnic group. It means one ’ s sense of the culture to which one belongs.
A.
Cultural feature
B.
Cultural identity
C.
Cultural search
D.
Cultural achievement
【简答题】We object to ________ a whole group for one person ’ s fault. (punish)
【单选题】Which one group of the following binding materials belongs to inorganic air-hardening binding materials? ( )
A.
lime, cement, gypsum
B.
w ater g lass, c ement, m agnesi a-based binding m aterial s
C.
l ime, g ypsum, water glass
D.
a sphalt, l ime, g ypsum
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