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【单选题】天然状态下的土经开挖后,其体积因松散而增加,以后虽然经回填夯实也不能恢复到原来的体积,土的这种性质称为土的
A.
最初可松性系数
B.
土的渗透性
C.
可松性
D.
最终可松性系数
【单选题】在凸轮机构中,从动件构造最简单的是:
A.
平底从动件
B.
滚子从动件
C.
尖顶从动件
【单选题】叶绿体光合磷酸化的能量来源于( )。
A.
从膜间隙流向基质的质子流
B.
从类囊体腔流向基质的质子流
C.
从基质流向类囊体腔的质子流
D.
从内囊体腔流向膜间隙的质子流
【单选题】The disadvantage of a process being allocated all its resources before beginning its execution is ___________
A.
Low CPU utilization
B.
Low resource utilization
C.
Very high resource utilization
D.
None of the mentioned
【单选题】凸轮机构中,从动件构造最简单的是( )
A.
平底从动件
B.
滚子从动件
C.
尖顶从动件
【单选题】凸轮机构中,从动件构造最简单的是( )
A.
平顶从动件
B.
尖顶从动件
C.
滚子从动件
【简答题】Gus Wenner runs Rollingstone.com; his father gave him the job. But Jann Wenner, the magazine's cofounder and publisher, was quick to assure critics of the appointment process that his son is terribly ...
【判断题】天然状态下土经开挖后,其体积因松散而增加,以后虽然经回填夯实也不能恢复到原来的体积,土的这种性质称为土的可松性。
A.
正确
B.
错误
【单选题】II.阅读理解 Gus Wenner runs Rollingstone.com; his father gave him the job. But Jann Wenner, the magazine’s co-founder and publisher, was quick to assure critics of the appointment process that his son is ...
A.
He will prove himself competent in the future.
B.
He has some work experience in the company.
C.
He is the co-founder and publisher of the magazine.
D.
He is too young to be in charge of the company.
【单选题】天然状态下的土经开挖后,其体积因松散而增加,以后虽然经回填夯实也不能恢复到原来的体积,土的这种性质称为土的()。
A.
坚硬度
B.
可挖性
C.
可松性
D.
渗透性
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