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【判断题】
所有的人属下的智人种。()A.
正确
B.
错误
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举一反三
【简答题】Why is trick-or-treating a relatively recent phenomenon?
【简答题】Why did the trick-or-treaters vandalize the house in the past times on Halloween night?A. Because no treats were produced. B. Because the treats met with their disapproval. C. Both A and B. D. Neither...
【简答题】Why did trick-or-treating become popular when the Irish began immigrating to the United States in large numbers?
【多选题】关于下图三相电路的说法，正确的有：【图片】
A.
此电路是 D -Y 电路
B.
此电路是三相三线制
C.
若 Z A = Z B ，此电路是对称三相电路
D.
若电源、负载接法都不变，此电路不可能有中线
【单选题】－_______ do you do for Halloween? －We play a game called trick or treat. [ ]
A.
How
B.
What
C.
Why
D.
Which
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