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【单选题】
()命令用来显示/home及其子目录下的文件名A.
ls -a /home
B.
ls -l /home
C.
ls -d /home
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【简答题】Calvin Klein is one of the top ____________(design) in the world.
【单选题】Calvin Klein is one of the top________ in the world.
A.
design
B.
designer
C.
designers
【简答题】He has been ill _____ three years.
【单选题】Whats the problem of space shuttle Discovery?
A.
The space shuttle can't reenter the earth's atmosphere.
B.
The space shuttle and its crew demised.
C.
The fuel tank leaks oil.
D.
There's the possibility that ice chunks might fall off the shuttle's fuel tank.
【单选题】What does the space trip start with?
A.
Getting a visa.
B.
Intensive training.
C.
Buying some tickets.
D.
Making a travel plan.
【简答题】系统调用是通过( ) 来实现的。当发生系统调用,处理器的状态会从( )态变为( )态。
【单选题】2019年9月22日,中国国务院发布了《为人民谋幸福:新中国人权事业发展70年》白皮书,全面系统介绍了70年来中国人权事业的发展状况。白皮书强调,中国坚持把生存权、发展权作为首要的基本人权,努力通过发展增进人民福社,实现更加充分的人权保障。这说明我国的社会主义民主是 1最广泛、最真实、最管用的民主2中国公民当家作主的先进的民主 3符合中国国情的法治的人民民主4基层群众自治为根本保证的民主
A.
①②
B.
①③
C.
②④
D.
③④
【单选题】Calvin Klein is one of the top ________in the world.
A.
designers
B.
designer
C.
design
【单选题】He has been ill with a strange disease lately, ______I’d never heard of before.
A.
it
B.
this
C.
that
D.
one
【单选题】The space station spins slowly in ________ space to imitate ________ pull of the earth’s gravity.
A.
the; /
B.
/; the
C.
/; /
D.
the; the
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