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【单选题】
下列哪项不属于女性外生殖器
A.
阴道前庭
B.
大阴唇
C.
小阴唇
D.
阴道
E.
阴蒂
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【简答题】Attempts to persuade her to stay after she felt insulted were ________. A) in no way B) on the contrary C) at a loss D) of no avail
【单选题】听骨链的作用是将声波
A.
振动幅度减小,压强增大
B.
振动幅度增大,压强减小
C.
振动幅度不变,压强增大
D.
振动幅度增大,压强增大
E.
振动幅度、压强均减小
【简答题】乙炔是一种重要的有机化工原料,以乙炔为原料在不同的反应条件下可以转化成以下化合物。完成下列各题: (1)正四面体烷的二氯取代产物有________种。 (2)关于乙烯基乙炔分子的说法正确的是________。 A.能使酸性KMnO 4 溶液褪色 B.1摩尔乙烯基乙炔能与3摩尔Br 2 发生加成反应 C.乙烯基乙炔分子内含有两种官能团 D.等质量的乙炔与乙烯基乙炔完全燃烧时的耗氧量不相同 (3)写出...
【单选题】鼓膜对声压放大作用中,错误的是
A.
弧形鼓膜的杠杆作用能将声音放大
B.
鼓膜的面积增压作用能增加17倍
C.
听骨链的杠杆作用能使声音增加1.3倍
D.
中耳主要通过以上三个阶段实现变换机制
E.
能使中耳增加50倍
【简答题】区域式架构是在( )和( )基础上设置的一个路网中心
【单选题】He felt insulted at the comment that his writing was all______.
A.
junk
B.
pollutant
C.
garbage
D.
waste
【单选题】Which of the following statements is TRUE of Clovis?
A.
He insulted Tarrington by ignoring him.
B.
He put his wits against Tarrington.
C.
He disregarded his aunt's advice.
D.
He showed his contempt for Tarrington.
【单选题】关于炔烃的二聚,说法正确的是( )
A.
可用 作催化剂
B.
生成的产物为1,3-丁二烯
C.
生成的主产物为二乙烯基乙炔
D.
生成的产物为1,3-丁二炔
【单选题】听骨链的作用是将声波
A.
振动幅度增大,压强减小
B.
振动幅度减小,压强增大
C.
振动幅度不变,压强增大
D.
振动幅度增大,压强增大
【单选题】Attempts to persuade her to stay after she felt insulted were ______.
A.
of no avail
B.
on the contrary
C.
at a loss
D.
in no way
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