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【多选题】
关于原假设与备择假设,下列表述正确的有A.
原假设与备择假设只能有一个正确
B.
原假设是希望被肯定的假设
C.
备择假设是希望能成立的假设
D.
原假设不轻易被否定
E.
原假设一旦被接受，它就一定正确
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举一反三
【单选题】Your English is excel -Your English is excellent ! -_____
A.
Just so so.
B.
No,my English is poor.
C.
Thank you.
D.
You are right.
【单选题】— Your Chinese is so good! — But your English is better. So you can teach me English and I can teach you Chinese. — _____ [ ]
A.
What a pity!
B.
That's a deal!
C.
The same to you!
D.
I' m sorry to hear that.
【单选题】— Helen, your English is pretty good. How can I improve my English? —I think you can improve your English ______ reading more.
A.
at
B.
by
C.
on
D.
for
【单选题】-Your English is very good. - _________ [ ]
A.
Thank you
B.
Not very good
C.
No, my English is poor
D.
Don't say so
【简答题】Do you think your English is good? How to improve your English communication competence?
【简答题】Does this situation seem familiar to you? Your English is progressing well, the grammar is now familiar, the reading comprehension is no problem, and you are speaking quite fluently. _ 小题1: First of a...
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