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【单选题】
同一反应式中,某物质的基本单元由 2A 变成 A 时,其物质的量的关系为 ( ) 。A.
n (2A) ＝ 2 n (A)
B.
n (2A) ＝ n (1/2A)
C.
n (2A) ＝ 1/2 n (A)
D.
2 n (A) ＝ 1/2 n (A)
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反馈参考答案：
举一反三
【单选题】Which of the following is NOT the reason that the man wants to go on a diet?
A.
He is too heavy.
B.
He doesn't feel good.
C.
His doctor gave him that suggestion.
D.
He is not healthy.
【单选题】According to the woman, what is the problem that the man is having?
A.
He imagined them.
B.
He used magazine covers.
C.
He hired models.
D.
He read stories.
【单选题】50441 Question:
A.
The day before yesterday.
B.
Yesterday.
C.
This morning.
D.
This night.
【判断题】演讲就是对公众发表的讲话。演讲者在特定的语境中,借助有声语言为主、态势语言为辅的艺术手段,面对广大听众发表意见抒发情感,从而达到感召听众,并使其行动的一种现实的信息交流活动。可见,演讲的最终目的,是要通过发表意见来影响、说服、感染他人。
A.
正确
B.
错误
【单选题】Mencius believed that the reason why man _____ the animals is that man is good.
A.
is similar to
B.
is different from
C.
are clever than
D.
are kind to
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