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【简答题】
图示齿轮-连杆组合机构,指出它的子机构,组合方式,画出组合框图。
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反馈参考答案：
举一反三
【单选题】The MWCK,_____in 2004, is the country's first state-funded center for migrant workers although it is not so powerful as to advocate their right.
A.
to find
B.
finding
C.
founded
D.
found
【判断题】The calendar on the supposed date divides all time into B.C. (Before Christ ) and A.D. ( a Latin phrase, "in the year of our Lord.")
A.
正确
B.
错误
【单选题】Which of the following is true of Paragraph 2?
A.
Ms Vogtli's organization is funded by the government and the private companies.
B.
Ms Vogtli's organization is trying its best to do business well as usual.
C.
The annual abstinence Creativity Contest has been held for six consecutive years.
D.
Student participants of the contest should submit essays, poems, artwork of any themes.
【单选题】What's the purpose of the National Institutes of Health-funded pilot program?
A.
To find out whether the patients' attitude help the pain.
B.
To experiment with advanced surgical treatments.
C.
To search for a cost-effective, integrative treatment.
D.
To investigate experts' opinions on various treatments.
【单选题】北上的列车到了南口就用两个火车头,一个在前边拉,一个在后边推。过青龙桥,列车向东北前进,过了“人”字形线路的岔道口就倒过来,原先推的火车头拉,原先拉的火车头推,使列车折向西北前进。这样一来,火车上山就容易得多了。 文中引号的作用是:( )
A.
表示引用
B.
表示强调
C.
表示特指
D.
表示否定
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