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【单选题】
计算机操作系统的功能是 。A.
把源程序代码转换为目标代码
B.
实现计算机用户之间的相互交流
C.
完成计算机硬件与软件之间的转换
D.
控制、管理计算机系统的资源和程序的执行
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【多选题】全心全意地依靠工人阶级是因（ ）。
A.
工人阶级是社会主义国家的领导阶级
B.
工人阶级是中国共产党的阶级基础
C.
工人阶级是社会主义市场经济体制下劳动力市场的主体
D.
工人阶级是改革开放和现代化建设的最基本的主力军
【单选题】Which of the following is the idea conveyed by this text?
A.
The newest technologies look most likely to vanish; the oldest may always be with us.
B.
Revolutionary digital technologies may extinguish old ones one day.
C.
Molecular technology might be the terminator of other technologies.
D.
Imperfectness is where the life of old technologies lies.
【单选题】Which of the following is cited by the author as the place where the supply of water is most likely to threaten social stability?
A.
Africa.
B.
The southern hemisphere.
C.
Egypt.
D.
All the developed countries.
【多选题】全心全意依靠工人阶级是因为（ ）。
A.
工人阶级是社会主义国家的领导阶级
B.
工人阶级是中国共产党的阶级基础
C.
工人阶级是社会主义市场经济体制下劳动力市场的主体
D.
工人阶级是改革开放和现代化建设最基本的主力军
【单选题】The text informs us that______.
A.
Mental capacity is surely measured by education level
B.
More-educated people never develop habits harmful to health
C.
People should keeping stimulating the brain to bear more brain-tissue loss
D.
We should take less adventuresome way to stimulate the brain
【简答题】&8226;Read the text below about the advantages of learning to keyboard quickly. &8226;In most of the lines (34-45) there is one extra word. It is either grammatically incorrect or does not fit in with...
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