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问题 选择题

I used to have short hair but now I have _____ hair. [ ]

A. curly　 　　

B. long　　　

C. straight　 　　

D. yellow

答案

答案：B

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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单项选择题

企业在（）之前，应当进行全面清查资产和核实债务工作。

A．编制年度财务会计报告

B．编制半年度财务会计报告

C．编制季度财务会计报告

D．编制所有财务会计报告
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