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【单选题】
在人类起源和发展的漫长历程中,森林古猿下地生活的原因是( )A.
由于其他动物入侵
B.
由于地形和气候的变化
C.
为了扩大领地
D.
为了躲避敌害
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【单选题】机车过充压力消除是电空制动控制器手柄由“过充位”回“运转位”后,制动管过充压力是经( )排出。过充消除的时间需要120s。
A.
紧急阀
B.
中继阀
C.
分配阀
D.
以上都不是
【单选题】回答题 Explore Jordan Wadi Rum is the name given to a valley cut into the sandstone and hard rock in southwest Jordan. _____（46）The name Rum most likely comes from an Aramaic word meaning 'high' or 'elev...
A.
It is the second highest peak in Jordan， rising directly above the Rum valley opposite Jebal Urn Ishrin.
B.
This vast stretch of water receives a number of incoming rivers， including the River Jordan.
C.
The area has been used as a background setting in a number of films.
D.
It is the largest wadi （riverbed） in Jordan.
E.
Every day seven million tons of water evaporate from the lake， but the minerals remain， causing the salt content to increase.
F.
It is without doubt Jordan's most valuable treasure.
【单选题】关于存储过程的描述,错误的是( )。
A.
存储过程可以屏蔽表的细节,起到安全作用
B.
存储过程可以简化用户的操作
C.
存储过程可以提高系统的执行效率
D.
存储过程属于客户端程序
【单选题】Madam Curie, ____ life had once been very hard, was given two Noble Prizes. [ ]
A.
of whom
B.
for whom
C.
for whose
D.
in whom
【单选题】Albert Einstein, ____ life had once been very hard, was given the Nobel Prize for physics in 1921. [ ]
A.
of whom
B.
for whom
C.
for whose
D.
in whom
【单选题】机车过充压力消除是电空制动控制器手柄由“过充位”回“( )”后,制动管过充压力是经中继阀排出。过充消除的时间需要120s。
A.
中立位
B.
制动位
C.
运转位
D.
以上都不是
【单选题】Madam Curie, ________life had once been very hard, was given two Nobel Prizes. [ ]
A.
of whom
B.
for whom
C.
for whose
D.
in whom
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