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问题 多项选择题

法是一种特殊的社会规范，下列说法正确的是( )。

A．法是依照特定程序制定的

B．法是由特定的国家机关制定的

C．法是调整人们行为的社会规范

D．法具有国家强制性

E．法的制定程序可以违反，但不能舍弃

答案

参考答案：A,B,C,E

解析： 法是一种特殊的社会规范，具有以下特征：
(1)法是由特定的国家机关制定的；
(2)法是依照特定程序制定的；
(3)法具有国家强制性；
(4)法是调整人们行为的社会规范。

判断题

适当的过度学习会阻碍知识的保持。（　）
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单项选择题

A significant reduction in caloric intake, if accompanied by vitamin supplements, will double the life span of laboratory mice. Mice fed 40 percent of the standard food allowance had twice the life expectancy of mice in a group that was fed the standard allowance.
If the information above is accurate, each of the following statements, if true, would help explain why the laboratory mice on the reduced allowance lived twice as long as the mice fed on the standard allowance EXCEPT:（）

A．The lack of food reduces a mouse’s metabolic rate, thereby limiting wear and tear on the mouse’s body.

B．A lower-calorie diet delays the aging of the immune system and thus protects the mouse from some diseases that usually cause death.

C．A drastic reduction in caloric intake signals the hormonal system to delay the aging process.

D．Mice that are fed less than the standard allowance have cells that have life spans that are longer than average.

E．The vitamin supplements that accompanied the reducedcalorie diet did not contribute calories to that diet.
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