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【单选题】
444A.
1
B.
2
C.
3
D.
4
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【简答题】计算:7542-2542=______________________________; 你采用什么方式简便运算? 答:_________________________________________________.
【简答题】计算: = ;你采用什么方式简便运算? 答: .
【单选题】Which of the following statements represents the FIRST precaution to be taken prior to working on any installed electrical component _____.
A.
Wear rubber gloves and boots
B.
Use only approved non-conducting tools
C.
Ground the case of the machine before beginning any repairs
D.
Open the supply circuits and tag the switches
【单选题】Which of the following is implied in the first paragraph?
A.
People used to be forced to work under whips.
B.
The author dislikes the function of politics in economy.
C.
Incentives are always less available than regulations.
D.
People have an instinct of working less and getting more.
【简答题】Which of the following is not a reason to provide proper citation? A、To show our hard work and all of the research that we?ve done B、To plagiarize (using another person?s words or ideas without giving...
【单选题】Which of the following best summarizes the main idea of the passage?
A.
Mechanization of work has little changed the conditions of women.
B.
Mechanization revolutionizes a society's customary roles of its members.
C.
Mechanization of Work creates new jobs that did not exist previously.
D.
Women's work has changed considerably in the past 200 years.
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