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【单选题】
细长压杆的( ),则其临界应力σ越大。
A.
弹性模量 E 越大或柔度λ越大
B.
弹性模量 E 越大或柔度λ越小
C.
弹性模量 E 越小或柔度λ越小
D.
弹性模量 E 越小或柔度λ越大
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举一反三
【单选题】The student tried every means to ____________ what the teacher was teaching in class, but failed.
A.
grip
B.
seize
C.
grasp
D.
snatch
【单选题】Experts advise us to learn which means not depending on the book or the teacher.
A.
sincerely
B.
immediately
C.
intelligently
D.
independently
【单选题】“鼻道窦口复合体(OMC)”由——首先提出( )
A.
Messerklinger
B.
Kennedy
C.
Wigand
D.
Naumann
E.
以上都不是
【单选题】The teacher means to _____ them _______ greater assiduity.
A.
spur... on
B.
spur... into
C.
spur... with
D.
spur... in
【简答题】设某机主存容量为 4MB , cache 的容量为 16KB 。每字块有 8 个字,每字长 32 位。设计一个四路组相联映射(即 cache 每组内共有 4 个字块)的 cache 组织。 ( 1 )画出主存地址字段中各段的位数。 ( 2 )设 cache 初态为空, cpu 依次从主存第 0,1,2...,89 号单元中读出 90 个字(主存一次读出一个字),并重复此次序读 8 次,问命中率是多...
【单选题】If students find it difficult to start talking in a task where they have to choose one of five places to go for an outing, the teacher may tell them to consider distance, means of transport, time avai...
A.
controller
B.
assessor
C.
organizer
D.
prompter
【判断题】“赫歇尔望远镜”的主要改进之处就是在保持同样焦点的情况下省去了平面副镜,让光线从主反射镜直接聚焦到侧壁的目镜,仅仅通过省去了一道反射镜从而大大提高了观测暗弱天体的效率。
A.
正确
B.
错误
【简答题】设某机主存容量为 4MB , Cache 容量为 16KB ,每字块有 8 个字,每字 32 位,设计一个四路组相联映射(即 Cache 每组内共有 4 个字块)的 Cache 组织。 ( 1 )画出主存地址字段中各段的位数。 ( 2 )设 Cache 的初态为空, CPU 依次从主存第 0 , 1 , 2 ,..., 89 号单元读出 90 个字(主存一次读出一个字),并重复按此次序读 8 次,...
【单选题】"He didn't know how to answer the question the teacher asked so he had to speculate abou t the answer." The underlined part means_______.
A.
focus on
B.
reason
C.
guess
D.
ask for
【判断题】The top- down model means the teacher should teach the passage according to the following steps: words-phrases-sentences-passages.
A.
正确
B.
错误
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