下列描述正确的是( )。A.C语句能嵌套定义函数,但不可以嵌套调用函数 B.C语句不

题型:单项选择题

问题:

下列描述正确的是( )。

A.C语句能嵌套定义函数,但不可以嵌套调用函数

B.C语句不能嵌套定义函数,也不可以嵌套调用函数

C.C语句能嵌套定义函数,也可以嵌套调用函数

D.C语句不能嵌套定义函数,但可以嵌套调用函数

考点:计算机等级考试C语言二级C语言笔试
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某生产企业与某加工厂签订委托加工合同,委托加工厂按要求加工材料一批,按合同约定,加工厂提供原材料50000元,辅助材料1000元,受托加工费4000元,在合同中分明注明各种价款,该合同双方总共缴纳印花税为( )。

A.16.5元

B.27.5元

C.26.5元

D.34.6元

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Britain’s parents have admitted school is harder today than it was when they were kids.A poll(民意测验)of 1,500 parents shows that those with children who have recently sat(参加)A-level or GCSE exams believe today’s exams are harder than the ones they sat at school.One in four thought A-levels were getting harder-compared to just twelve percent who thought they were easier.The figures for GCSEs were more evenly split with 26 percent thinking they were harder and 21 percent believing they were easier.This is the first survey(调查)of the opinion of parents whose youngsters have just sat exams.They told pollsters they believed the higher pass rates in examinations today were due to the youngsters concerned working harder."But another reason given was that they believed today’s youngsters felt there was little chance of success in life without qualification(资格).Parents are seeing standards rise and their children working harder and being smarter than their generation." says Dr Christina Townsend,president of the Ed excel exam board,which commissioned(委托) the survey.The poll,carried out by Opinion Research Business for the exam board,also showed parents supported government plans to allow students to see their marked papers after they had completed their exams.The move(行动)is designed to help them decide whether they should doubt their standard.

59. What do you know about Britain’s school education from the text?

A. Students are burdened with too much homework after school.

B. Students are tired of learning at school.

C. Most students can’t pass the A-level or GCSE exams.

D. Exams are more difficult today and pupils are working harder.

60. The writer’s purpose in writing this text is ____.

A. to show the result of a poll of 1,5000 parents

B. to tell parents that their youngsters are working hard

C. to prove that youngsters are smarter than their parents

D. to request that exams be easier

61. We can infer from the text that ____.

A. the government will take steps to lower the standards of exams.

B. Students were once not allowed to see their marked papers.

C. Parents didn’t work hard when they were at school

D. More parents think A-levels are getting harder and GCSEs are getting easier

题型:单项选择题

经方差分析,若P<α,则结论是()

A.各样本均数全相等

B.各样本均数不全相等

C.至少有两个样本均数不等

D.至少有两个总体均数不等

E.各总体均数全相等

题型:单项选择题

遗传决定论的代表人物有()。

A.华生

B.洛克

C.高尔登

D.霍尔

E.荀子

题型:单项选择题

男性,48岁,突发胸痛,怀疑急性心肌梗死,下列对心肌梗死的诊断最可靠的是()

A.ST段抬高

B.冠状T波

C.aVR导联呈QS型

D.CPK-MB

E.肌钙蛋白

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