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【简答题】
写出下列化合物的英文名:1-丁烯
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反馈参考答案：
举一反三
【多选题】下列关于少数民族禁忌习俗的描述,对的是。
A.
到蒙古族人家去做客，绝不允许踩踏门槛
B.
到傣家做客，不能坐在火塘上方或跨过火塘，可以坐门槛，但不要进主人内室
C.
朝鲜族人喜欢吃狗肉，一年四季都吃，表现出非常浓郁的“狗肉文化
D.
土家族不准把山上野外死的雀鸟野兽拿到家里来
E.
到壮族地区，严禁捕杀青蛙，也不要吃蛙肉
【单选题】It is his dishonesty _________ leads to his failure in his struggling for the job.
A.
what
B.
which
C.
who
D.
that
【单选题】The boy has _________ his fear of failure and is making great progress in his studies.
A.
performed
B.
broken into
C.
got tired of
D.
conquer
【单选题】( )'His continuous failure revealed his ( ) to handle the matter.
A.
ability
B.
capability
C.
unability
D.
inability
【简答题】Because of his failure, on business and the death of his family members, his works are marked by ______.
【单选题】His failure ______ great disappointments to his parents.
A.
forced
B.
caused
C.
made
D.
provided
【简答题】The poor boy__________his parents about his failure in the exam．
【单选题】如图所示,在B木块上放有铁块A,A、B两块物体间用细绳相连,在水面处于平衡状态;当把木块B翻转后,铁块A落入水中并处于平衡状态(A没有碰到底),这时候容器内的水面将( )
A.
上升
B.
下降
C.
保持不变
D.
液面的升高取决铁块的体积,体积越大,液面升高也越大
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