关于在调用模板函数时模板实参的使用,下列表述正确的是( )。 A.对于虚拟类型参数

题型:单项选择题

问题:

关于在调用模板函数时模板实参的使用,下列表述正确的是( )。

A.对于虚拟类型参数所对应的模板实参,如果能从模板函数的实参中获得相同的信息,则都可以省略
B.对于虚拟类型参数所对应的模板实参,如果它们是参数表中的最后的若干个参数,则都可以省略
C.对于虚拟类型参数所对应的模板实参,若能够省略则必须省略
D.对于常规参数所对应的模板实参,任何情况下都不能省略

考点:计算机等级考试C++二级C++笔试
题型:单项选择题

阅读理解。

      Almost every child in cities has the chance to go to school, but not all children in the villages are so

lucky.

      There is a girl called Xiao Lian. She is ten years old and lives in a small village. When she was seven,

she wanted to go to school. But she could not, because her family was too poor to afford the school fees

for her, so her parents had to keep her at home. Instead Hope Project heard about Xiao Lian. It agreed to

help her to go to school. Her wish of study came true, and now she is studying in a school.

     Unluckily there are many thousands of children who can not go to school. You can join in Hope Project

and help these children. You know all the good work needs money. Hope Project needs your help.

     If you give Hope Project ¥300 each year, it can pay for one child to go to school for a whole year.

With more money, Hope Project can build new schools, buy good desks, chairs, blackboards and books.

Let's help the children together and give them a chance to have a good start in life.

1. School fees means _____ in Chinese. [ ]

A. 学费

B. 校服

C. 校规

2. Xiao Lian didn't go to school when she was seven because _____. [ ]

A. her family was very poor

B. she had to look after her brother

C. she studied at home

3. A poor child can go to school for _____ with 300 yuan. [ ]

A. half a year

B. a year

C. a whole month

4. Many children _____ need our help. [ ]

A. in developed countries

B. from rich families

C. in small villages

5. Which is true according to the passage? [ ]

A. Xiao Lian's father worked for Hope Project.

B. Xiao Lian joined in Hope Project.

C. Hope Project helps poor children to go to school.

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草原上影响鹿群生长的重要生物因素有(  )

①草   ②狼   ③土壤   ④水分.

A.①②

B.①②③④

C.①③

D.②④

题型:单项选择题

2008年,我国移动电话用户新增9392.4万户,用户总数为6.41亿户,每百人移动电话拥有量达到47.3部,比2007年增加6.2部。据IDC发布的报告,2008年全球手机出货量达11.8亿部,同比增长3.5%。我国境内生产手机占47.5%,与2007年基本持平。

2008年,工信部监测的百家重点手机生产企业中,GSM手机产量同比下降17.1%,销售同比下降15.4%,产销占全行业比重分别为74.7%、75.4%,比2007年底分别下降了6.7、6.5个百分点。运营商的重组对CDMA手机产销产生一定的影响,CDMA手机产量同比增长15.4%,销量同比增长15.2%,产销比重为13.5%、13.4%,比2007年底均提高了1个百分点。3G手机产销快速增长,随着4月份TD-SCDMA开始试商用,以及国际市场需求增加,拉动3G手机产销快速发展,全年共生产3G手机6579万部,同比增长87.5%,销售6637万部,同比增长90%;占行业比重为12.3%,比2007年增长了5.3个百分点。

2008年,我国手机产量最多的季度是()。

A.第一季度

B.第二季度

C.第三季度

D.第四季度

题型:单项选择题
如图所示,理想变压器原副线圈匝数之比为4:1,原线圈接入一电压为u=220sin100πtV的交流电源,副线圈接一个R=27.5Ω的负载电阻.则下述结论正确的是(  )

A.副线圈中电压表的读数为55V

B.副线圈中输出交流电的周期为0.01s

C.原线圈中电流表的读数为0.5A

D.原线圈中的输入功率为110W

题型:单项选择题

下列各项检查中,用来鉴别Cushing病和肾上腺皮质癌较可信的是()

A.血皮质醇测定

B.尿游离皮质醇测定

C.尿17-羟测定

D.小剂量地塞米松抑制试验

E.大剂量地塞米松抑制试验

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