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【单选题】
下列能发生重氮化-偶合反应的药物是( )。A.
苯甲酸钠
B.
布洛芬
C.
对氨基水杨酸钠
D.
阿司匹林
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皮皮学刷刷变学霸
举一反三
【单选题】对于边沿触发的 D 触发器,下面( )是正确的。
A.
输出状态的改变发生在时钟脉冲的有效边沿
B.
任何时刻的输出状态都等于 D 输入 状态
C.
输出跟随每一个CP边沿的输入变化
D.
以上都对
【简答题】What worried the mother most was __________ the Internet after class in this school. A．her son’s not forbidding surfing B．her son’s not being forbidden to surf C．her son’s being not forbidden to surf ...
【单选题】How does wheelwright Bian convince the duke that what he is reading is nothing, but rubbish left by a dead man?
A.
He uses dialectical language to debate with the duke
B.
He explains to the duke by asking him to make a wheel himself
C.
He uses a fable story to teach the duke a lesson
D.
He uses his own experience of making wheels to persuade the duke
【简答题】设全集U=R，集合M={x|3a-1＜x＜2a，a∈R}，N={x|-1＜x＜3}，若N C U M，求实数a的取值集合．
【单选题】What is the author' s attitude towards the father and the son?
A.
Indifferent.
B.
Sympathetic.
C.
Appreciative.
D.
Difficult to tell.
【简答题】Duke分期A应是（ ）|Duke分期C应是（ ）A. 癌穿透浆膜B. 癌限于粘膜及粘膜下层C. 癌限于肠壁D. 癌伴局部淋巴结转移E. 癌伴远处转移
【简答题】univer____ty (大学)
【单选题】Present at the Christmas party were the two princesses and their _______ husbands and Duke of Edinburgh.
A.
respectable
B.
respectful
C.
respective
D.
respected
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