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【单选题】
实物粒子和光都具有波粒二象性,但有时是以其中一种为主。下列事实中不能突出体现波动性的是
A.
电子束通过双缝实验装置后可以形成干涉图样
B.
光电效应
C.
电子衍射实验
D.
人们利用慢中子衍射来研究晶体的结构
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参考答案:
举一反三
【多选题】1281上保险业务中的意外事故包括()。
A.
货物的自然损耗或变质
B.
运输工具的搁浅,触礁
C.
载货轮船沉没
D.
强制载货物轮船与冰山相撞执行
【多选题】海上保险业务中的意外事故包括()。
A.
货物的自然损耗或变质
B.
运输工具的搁浅.触礁
C.
载货轮船沉没
D.
强制载货物轮船与冰山相撞执行
【单选题】听力原文:W: To operate the machine properly, you must keep the top closed while the machine is spinning. M: I should have read the instructions more carefully. Q: What can we infer from the conversation? ...
A.
The man made a mistake in operating the machine.
B.
The machine doesn't work properly.
C.
The woman is helping the man repair the machine.
D.
The instructions were not clear enough for the man to read.
【多选题】Retailers include___.
A.
department stores
B.
hypermarkets
C.
specialty stores
D.
vending machines
【单选题】Apparently Graves sees scientists as a sober, plodding phalanx of soulless thinking machines, never making a step that hasn't been carefully thought out in advance.
A.
Y
B.
N
C.
NG
【单选题】Which of the following is NOT mentioned as the function of an organ kept in the new machine?
A.
To burn sugar.
B.
To breathe.
C.
To create blood.
D.
To circulate oxygen.
【多选题】以下哪些病变常可闻及舒张早期马律
A.
急性左心衰竭
B.
急性心肌梗死
C.
三尖瓣狭窄
D.
肺动脉瓣狭窄
E.
扩张型心肌病晚期
【多选题】海上保险业务中的意外事故包括()。
A.
货物的自然损耗或变质
B.
运输工具的搁浅、触礁
C.
载货轮船沉没
D.
载货物轮船与冰山相撞
【单选题】There are several periods in a computer, the longest period is
A.
Instruction period
B.
Machine period
C.
Beat period
D.
CPU period
【单选题】The author feels her life unreal .because__________.
A.
she has become a machine .
B.
she has to deal with data
C.
she loses the interest in social life.
D.
she often has nightmares
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