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【单选题】
正常齿制标准直齿圆柱外齿轮的齿顶圆直径为110mm，齿数为20，则分度圆直径为多少？A.
105mm
B.
100mm
C.
90mm
D.
80mm
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反馈参考答案：
举一反三
【单选题】Which of the following statements does not support their company's workers?
A.
Anne is a experienced negotiator, she will make sure that our negotiating process be fluent and effective.
B.
Although we lack a law expert, our company's John has a background in law studies which will make sure that our contract is carefully examined.
C.
Jennie has been the newest number of our team, this is the first time that she had participated in such occasions.
D.
Lucas, our sales leader, has won many awards including most outstanding salesperson of the year.
【单选题】Which of the following statements is MOST likely to be included in a company's code of ethics?
A.
We reward high achievers.
B.
We strive for domination in the market.
C.
We achieve our objective by raising capital.
D.
We believe in our company brand.
E.
We reward all valuable contributions.
【单选题】( )是指针对一年以上,5年以下的预测,是制定年度生产计划、季度生产计划、销售计划、生产与库存预算的依据:
A.
近期预测
B.
短期预测
C.
中期预测
D.
长期预测
【单选题】Which of the following statements is MOST likely to be included in a company's code of ethics?
A.
We reward high achievers.
B.
We strive for domination in the market.
C.
We achieve our objective by raising capital.
D.
We reward all valuable contributions.
【简答题】请举例说明什么是清辅音。
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