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【单选题】
以下不属于物理安全方面所面临的威胁的是_____。A.
意外事故
B.
操作失误
C.
机房环境的安全
D.
操作系统的安全
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举一反三
【单选题】In order to _______ success we must have a complete and thorough plan.
A.
make sure
B.
be sure
C.
ensure
D.
sure
【单选题】患者,男,70岁, COPD病史10年,因受凉后急性发作入院。经治疗后好转准备出院,患者出院后的自我护理不包括
A.
呼吸功能锻炼
B.
预防感染
C.
坚持长期家庭氧疗
D.
定量行走锻炼
E.
病情稳定后可自行停药
【简答题】You will hear a passage. Listen carefully and fill in the blanks with missing information. Coming across 1.____________ in the workplace is not uncommon these days. In order to have a successful 2.___...
【单选题】图1～图3为三个不同的晶体管放大电路，下列说法正确的是（）。
A.
图1～图3均具有稳定的静态工作点，但只有图1不具有电压放大能力
B.
若图2和图3电路中各元件型号及参数相同，则它们具有相同的电压放大能力
C.
它们的输入电阻均与负载有关
D.
以上三种说法均不正确
【单选题】In order to make our city green,_____.
A.
it is necessary to have plant more trees
B.
Many more trees need to plant
C.
Our city needs more trees
D.
We must plant more trees
【简答题】1. We’d like to make clear
our packing requirements as follows. 2. Each toy should have hang tags and bar codes, one dozen should be packed to
a box, 50 boxes to a carton. 3. The cartons should be str...
【单选题】A profit-maximizing monopsonist hires both men and women to do a certain task. The two sexes are equally good at this task and are regarded as perfect substitutes. Labor supply curves for both sexes a...
A.
A > B .
B.
A < c .
C.
c 1.
D.
Bc < A
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