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巷道未开掘以前，地下岩体处于( )状态。 A 原岩应力 B 支承应力 C 二向应力
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【单选题】____ respons ible person George is! He always looks after his father afte r work.
A.
How
B.
What
C.
What a
D.
What an
【单选题】— George, the bike looks cool. Is it _______? — Yes. My mother bought it for my birthday
A.
his
B.
yours
C.
hers
D.
ours
【单选题】听力原文：Woman: What do you think about the new company magazine, George? Man: It looks very professional, but I think they could have done it more cheaply. Woman: But don't you think people will find it ...
A.
It is a useful resource.
B.
It costs too much to produce.
C.
It looks boring.
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