搜题请搜索小程序“爱下问搜题”
问题 单项选择题

有如下程序：　　#include　　using namespace std；　　class Instrument｛　　public：　　virtual void Display（）=0；　　｝；　　class Piano：public Instrument｛　　public：　　void Display（）｛／＊函数体程序略＊／｝　　｝；　　int, main（）｛　　Instrument s；　　Instrument＊p=0；　　//．．．；　　return 0；　　｝　　下列叙述中正确的是

A．语句“Insturment *p=0；”编译时出错

B．语句“Instruments；”编译时出错

C．类Piano中的Display函数不是虚函数

D．类Instrumen七是一个虚基类

答案

参考答案：A

填空题

根据短文内容和首字母提示，补全文中单词.。

     All a __1__ the world, people drink tea. But tea doesn't mean the same thing to everyone. In different

 countries people have very d__2__ ideas about drinking tea.

     In China, for example, tea is always served w__3__ people get together. The Chinese drink it at any

  time of the day at h __4__ or in tea houses. They prefer their tea plain, with nothing e__5__ in it.

     Tea is a __6__ important in Japan. The Japanese have a special way of serving tea c __7__  a  tea

 ceremony (茶道). It is very old and full of meanings. Everything must be done in a special way in the

 ceremony. There is even a special room for it in J__8__ homes.

     A __9__ tea-drinking country is England. In England, the late afternoon is "teatime".  Almost everyone

  has a cup of tea then. The English usually make tea in a teapot and drink it w __10__ cream and sugar. They also eat cakes, cookies and little sandwiches at teatime.
查看答案
多项选择题

以下哪些是属于有价单证（）

A.金融债券

B.代理发行的各类债券

C.定额存单

D.定额汇票

E.定额本票
查看答案