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【单选题】
钢筋,如果采用应力控制法,当应力为 ,率为 时,下列哪种情况是合格的?( )。A.
达控制值， 未达最大率
B.
达控制值， 超过最大率
C.
未达控制值， 未达最大率
D.
超过控制值， 超过最大率
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举一反三
【简答题】Christopher Reeve is best known as the man who played Superman always fighting against the forces of evil(邪恶). He came to ___1___ the victory of good over bad. Now he has taken on his ___2___ fight. I...
【单选题】Christopher Reeve ________ an operation that helped restore some feeling to his upper body.
A.
underwent
B.
underlined
C.
underlay
D.
underarmed
【单选题】Christopher Reeve said he was far busy with living to think of up.
A.
so,giving
B.
very, giving
C.
too, given
D.
too, giving
【判断题】3. _______Christopher Reeve is an actor who
played Superman in the movies.
A.
正确
B.
错误
【单选题】下列不属于同步信号为锯齿波的触发电路的优点是()。
A.
不受电网电压波动与波形畸变的影响
B.
抗干扰能力强
C.
移相范围宽
D.
整流装置的输出直流平均电压与控制电压不是线性关系
【简答题】完形填空 Christopher Reeve is best known as the man who acted Superman always fighting against the forces of evil(邪恶). He came to __ 1 ___ the victory of good over bad. Now he has taken on his __ 2 ___ fi...
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