婴儿室要求空气中的细菌总数为A.≤10CFU/mB.≤100CFU/mC.≤200CFU/mD.≤500CFU/mE.≥500CFU/m
婴儿室要求空气中的细菌总数为
A.≤10CFU/m
B.≤100CFU/m
C.≤200CFU/m
D.≤500CFU/m
E.≥500CFU/m
婴儿室要求空气中的细菌总数为
A.≤10CFU/m
B.≤100CFU/m
C.≤200CFU/m
D.≤500CFU/m
E.≥500CFU/m
第2题
-- Why don't you stay a little longer?
-- _____
A. I wish I could, but it's already late.
B. I don't want to.
C. I couldn't.
D. Thank you very much.
第3题
--Thank you for carrying the box for me.
--__________.
A:Don't say so
B:That's my pleasure
C:You are kind to say so
D:That's all right
第4题
I () don't understand. Could you say it again?
A: still
B: yet
C: as well
第5题
A.No, I don't think so.
B.Oh, you are too polite.
C.Do you really think so?
D.Oh, I wish it could be true.
第6题
A.Look after yourself, and thank you for your calling.
B.Pay attention to your schedule. Don't be late for the train.
C.Thank you and don't forget to keep in touch with me.
D.Take care and I wish you a pleasant journey.
第7题
Americans do not care at all whether you are on time or not.
A.Right
B.Wrong
C.Doesn't say
第8题
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