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【单选题】
Would you please keep silent? The weather report __________ and I want to listen.

is broadcast
is being broadcast
has been broadcast
had been broadcast
【单选题】
15.吸氧疗法对下列哪种疾病引起的缺氧效果最好:

A、贫血
B、失血性休克
C、高原肺水肿
D、氰化物中毒
E、亚硝酸盐中毒
【单选题】
15. ______ is known to us all is that China has launched Shenzhou V spaceship successfully.

That
What
It
As
【判断题】
15.初唐宫廷诗的发展共分三个阶段。

正确
错误
【单选题】
15.理解人类社会发展的钥匙是()

阶级斗争史
思想发展史
动发展史
文化发展史
【单选题】
15.“真理是人造的供人使用的工具”的看法是()

主观唯心主义
客观唯心主义
辩证唯物主义
机械唯物主义
【单选题】
—Do you have much experience with caring for babies?— .

Yes, I do. I am responsible, loving, warm girl, and often take care of kids in my free time.
No, you are freshmen. You should work hard.
Yes, they are. They are very cute.
【单选题】
You must have stayed up late last night, _____?

mustn’ t you
don’ t you
didn’ t you
needn’ t you
【单选题】
You can not see the doctor ____ you have made an appointment with him.?

except ?
even ?
unless ?
however?
【单选题】
I dont have to introduce the boy to you ___-you know him.

since
until
unless
but