物料在离心机内进行分离时，其离心加速度与重力加速度的比值，称为离心分离因数。()
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吸收操作线的方程式，斜率是L／G。()
A. 正确
B. 错误
下列有关破产撤销权的说法错误的是：()
A. 在人民法院受理破产案件前6个月至破产宣告之日的期间内，债务人无偿转让财产的，由破产管理人行使撤销权
B. 在破产宣告后，只要发现债务人在破产清算期间有明显侵害债权人利益的行为，都可以撤销，并追回财产
C. 我国破产法对破产撤销权的立法模式是列举主义
D. 撤销权是以诉讼的方式行使
According to the article, what will this change in policy do for Cuba？
A. It will boost the Cuban economy.
B. It will help defeat Fidel Castro.
C. It will make more Cubans come to the United States.
D. It will decrease the number of Cubans coming to the United States.
Under the new regulations, how often are Cuban-Americans allowed to visit their relatives
As often as they like.
B. Once every three years.
C. Once a year.
D. Twice a year.
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