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【简答题】
根据高压断路器跳闸线圈的供电方式,交流操作又可分 和 。
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反馈参考答案：
举一反三
【简答题】解比例 18 111 = X 222 1.25：0.25=x：1.6．
【单选题】Please go and find out __________.
A.
that the bus will arrive
B.
why will the bus arrive
C.
when the bus will arrive
D.
when will the bus arrive
【单选题】__________to the bus stop when the bus suddenly pulled away．
A.
They scarcely got
B.
They had got scarcely
C.
Scarcely did they get
D.
Scarcely had they got’
【单选题】— Did Daisy catch the early bus? — Hardly ______ to the bus stop when the bus started. [ ]
A.
had she got
B.
she had got
C.
has she got
D.
she has got
【单选题】Hardly ______ when the bus suddenly pulled away.A．they had got to the bus stopB．they got to the bus
A.
Hardly ______ when the bus suddenly pulled away. A.they had got to the bus stop
B.
they got to the bus stop
C.
did they get to the bus stop
D.
had they got to the bus stop
【单选题】When the bus is driving along a busy street, you should be careful not to your head of the bus window. [ ]
A.
stick; to
B.
stick; out
C.
stick; on
D.
stick; up
【简答题】解方程． 260+x=530 x- 2 5 = 3 10 2x=1.6．
【简答题】化简比． 30：42 1 2 ：0.8 45分：1小时 0.96：1.6．
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