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【单选题】
交流电的周期越长,说明交流电变化得A.
越快
B.
越慢
C.
无法判断
D.
通
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【单选题】Look ! The boy is making a toy plane by ___________. [ ]
A.
itself
B.
myself
C.
yourself
D.
himself
【简答题】In the very early 1800’ s, a young boy about 14 years old named John lived in an orphanage (孤儿院) in Old England along with several other children. Orphan meant unwanted and unloved. Christmas was the...
【判断题】The boy enjoyed the taste of the oyster even though he didn’t try it again.
A.
正确
B.
错误
【判断题】The boy enjoyed the taste of the oyster even though he didn’t try it again.
A.
正确
B.
错误
【单选题】It was a toy plane ______ John bought for his son yesterday.
A.
what
B.
who
C.
that
D.
why
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