皮皮学,免费搜题
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搜题
【单选题】
病室的湿度过低病人会出现
A.
胸闷咳嗽
B.
烦躁不安
C.
肌肉紧张
D.
头晕头痛
E.
口渴咽痛
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参考解析:
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举一反三
【单选题】Only when he met the girl his aunt introduced to him that he had seen her before.
A.
he realized
B.
he did realized
C.
realized he
D.
did he realize
【多选题】PLC用户程序执行的过程分为()三个阶段。
A.
循环扫描
B.
输入采样
C.
程序处理
D.
输出刷新
【单选题】运行机构的任务是使起重机作( )。
A.
垂直运动
B.
水平运动
C.
左右运动
D.
回转运动
【单选题】Only when he met the girl his aunt introduced to him ▲ that he had seen her before .
A.
he realized
B.
realize he
C.
did he realized
D.
he did realize
【单选题】Only when he met the girl his aunt introduced to him ▲ that he had seen her before .
A.
he realized
B.
he did realized
C.
realized he
D.
did he realized
【单选题】The girl is waiting for her aunt on ___ side of the road.
A.
other
B.
another
C.
the other
D.
one other
【简答题】PLC对用户程序的扫描过程分为三个阶段。其中在程序执行阶段, PLC对程序按顺序进行扫描,如果程序是题型图表示,则总是按照从上到下、______的顺序进行扫描。
【单选题】The girl ___aunt is a famous singer is fond of music.
A.
who
B.
whom
C.
that
D.
whose
【单选题】Only when he met the girl his aunt introduced to him ____ that he had seen her before.
A.
he realized
B.
he did realize
C.
realized he
D.
did he realize
【判断题】石灰由于水稳定性差一般不单独使用。
A.
正确
B.
错误
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