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【单选题】
How to refuse other's invitation in a polite way?A.
No, it's boring.
B.
I don't have time.
C.
Unfortunately I have another engagement but thank you for the invitation.
D.
No way.
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举一反三
【单选题】—Why does Jane feel so upset? —She failed the exam and she has no friends ____.
A.
talking with
B.
to talk
C.
to talk with
【单选题】如在急性吸入毒性实验当中,随着苯的浓度越来越高,各试验组的小鼠死亡率也相应增高,这说明存在质反应关系
A.
量反应关系
B.
质反应关系
C.
剂量-量反应关系
D.
剂量-质反应关系
【单选题】Why does she feel that way?
A.
She has too much to do.
B.
She failed a test.
C.
She is getting married.
D.
Someone woke her up.
【单选题】Why does she feel that way?
A.
She has too much to do.
B.
She failed a test.
C.
She is getting married.
D.
Someone woke her up.
【单选题】How does the woman feel when she hears about the news?
A.
She is surprised.
B.
She is happy.
C.
She is sad.
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