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【单选题】
关于电气控制线路装配的具体操作步骤与要求,下列叙述正确的是1装配完成后立即通电运行;2根据接线图,先进行控制电路的配线,再安装主电路、3阅读线路图后,根据控制要求配齐所用电器元件并进行电器元件检查与校验;4根据布置图固定元器件。A.
①②
B.
①④
C.
②④
D.
③④
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【简答题】阅读理解。 People all over the world write to Big Ben. They even send birthday presents. Big Ben is not a person n. It's a clock. Big Ben is the great clock hanging up in a tower of the parliament buildi...
【单选题】People all over the world write to Big Ben. They【C1】______send birthday presents. Big Ben is not a【C2】______. It's a clock! Big Ben is the great clock【C3】______up in a tower of the Parliament building...
A.
once
B.
usually
C.
ever
D.
even
【简答题】（）提出了“诗是强烈情感的自然流露”的著名观点。
【单选题】From the first paragraph we can see that ______.
A.
Big Ben was made in 1956
B.
Big Ben had been silent many times
C.
the bells stopped ringing for two days
D.
Big Ben had been working well since 1956
【简答题】简述子宫肌瘤患者的临床表现。
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