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【单选题】
In soft tissue, a beam of 9 MeV electrons loses most of its energy byA.
Bremsstranhlung radiation
B.
Ionizaiton
C.
Compton interactions
D.
Collisions with nuclei
E.
Pair production
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反馈参考答案：
举一反三
【简答题】What were the contents of the New Deal?
【简答题】物料传送及分拣机构机械装配过程是什么?
【简答题】下列不属于计算机的外部存储器的是 (
)A. 软盘 B. 硬盘 C. 内存条 D. 光盘
【单选题】( )contents were shown to increase on approaching the aggregate surface.
A.
C-S-H
B.
Ca(OH)2
C.
Ettringite
D.
C4AC0.5H12
【单选题】Police ______ the crowds with teargas, and tanks were stationed in the city.
A.
removed
B.
showered
C.
detached
D.
dispersed
【简答题】A．The caravan was burned. B．The windows of the bank were blown out. C．The contents of the caravan were damaged. D．Damage inside the vehicle was very serious.
【单选题】The large crowds lingering in the streets were quickly ______ by heavy rain.
A.
removed
B.
showered
C.
detached
D.
dispersed
【单选题】What kinds of products were sold in this shop?
A.
goods
B.
services
C.
machines
D.
contents
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