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【单选题】
对有抗震设防要求的结构，其纵向受力钢筋的性能应满足设计要求当设计无具体要求时，对按()抗震等级设计的框架和斜撑构件(含梯段)中的纵向受力普通钢筋应采用HRB335E，HRB400E，HRB500E，HRBF335E，HRBF400E或HRBF500E钢筋。A.
一、二、三级
B.
一级、二级
C.
二级、三级
D.
一级、三级
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【单选题】— What's that terrible noise? — The neighbours for a party. [ ]
A.
have prepared
B.
are preparing
C.
prepare
D.
will prepare
【单选题】The physicist has made a discovery, _____ of great importance to the progress of science and technology. (TE44-1997-45)
A.
I think which is
B.
that I think is
C.
which I think is
D.
which I think it is
【简答题】电气控制线路中,既装设熔断器,又装设热继电器,各起什么作用?能否相互代用?
【单选题】The rapid, pervasive, and truly unprecedented transformation resulting from science and technology is a central fact of our lives. It calls for the strengthening of institutional capability for object...
A.
Speak.
B.
Write.
C.
Explanation.
D.
Talk.
【单选题】I．单项选择， (15分) ( )1． Nowadays science fiction isn’t as ___________ as cartoons among teenagers．
A.
popular
B.
more popular
C.
less popular
D.
the most popular
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