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问题 单项选择题

为了实现将外国经营者赶出市场的目的而在短期内以低于成本的价格在国外市场上销售产品的行为被称为（ ）。

A．掠夺性倾销

B．偶然性倾销

C．持续性倾销

D．自愿出口限制

答案

参考答案：A

判断题

正常血红蛋白HbA裂解后出现β、HbA、HbA2、α四条带。()
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单项选择题

Last year Luis invested x dollars for one year, half at 8 percent simple annual interest and the other half at 12 percent simple annual interest. Now he wants to reinvest the x dollars for one year in the same two types of investments, but the lower rate has decreased, If the higher rate is unchanged, what fraction of the x dollars must be reinvest at the 12 percent rate s that the total interest earned from the x dollars will be the same for both years ？（）
(1)The lower rate is now 6 percent.
(2)The total amount of interest earned from the two investments last year was $3,000.

A．条件(1)充分，但条件(2)不充分．

B．条件(2)充分，但条件(1)不充分．

C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．

D．条件(1)充分，条件(2)也充分．

E．条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
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