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【单选题】
净空高度不大于 6.0m 的民用建筑采用自然排烟的防烟分任一点至最近排烟窗的水平距离不应大于()m。A.
20
B.
35
C.
50
D.
30
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举一反三
【单选题】以下关于计算机中数据表示的叙述中,×的是( )。
A.
计算机中的数值数据采用二进制表示，非数值性数据不使用二进制表示
B.
正整数的原码和补码表示形式相同，而负整数的原码和补码表示形式不同
C.
数值中的小数点在硬件中不明确表示，而是采用约定位置的方式
D.
码长相同时，补码比原码可以多表示一个数
【单选题】Please turn towards me when you____________．so that I can hear what you are saying.
A.
will speak
B.
have spoken
C.
are speaking
D.
will be speaking
【单选题】－－－ Look, that gentleman is wearing a beautiful _____ watch. －－－ I don’t think it is real one.
A.
149. --- Look, that gentleman is wearing a beautiful _____ watch. --- I don’t think it is real one. Perhaps it is just a _____ one. A．gold; gold
B.
golden; gold
C.
golden; golden
D.
gold; golden
【判断题】You should always reflect on what you are saying and try to convince the listener.
A.
正确
B.
错误
【单选题】What you are saying has nothing to do with the question______ discussion.
A.
at
B.
on
C.
in
D.
under
【单选题】Enough of it! Nobody here thinks what you are saying should make any
A.
value
B.
sense
C.
fun
D.
use
【单选题】“I don’t understand what you are saying,” she said, with a _____ expression on her face.
A.
puzzling
B.
puzzled
C.
puzzle
D.
puzzlement
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