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问题 选择题

由四舍五入法得到的近似数8.8×103，下列说法中正确的是 [ ]

A．精确到十分位，有2个有效数字

B．精确到个位，有2个有效数字

C．精确到百位，有2个有效数字

D．精确到千位，有4个有效数字

答案

答案：C

完形填空
请阅读关于世界读书日的活动介绍，根据所提供的信息，完成下列表格，把答案写在答题卡指定的位置上。

We always look forward to World Book Day-it’s a chance to share our love of books and reading with even more people! Here are some of the activities in different countries and places to celebrate the World Book Day, April 23rd every year.
School Children’s Books
School Children’s Books are happy that best-selling writer Holly Webb is their World Book Day writer for 2012. Holly has written a large number of books for chldren and she has written a special Magic Molly story just for this years World Book Day!
Reading Package
On the World Book Day, every primary school student in Britain will receive a package from their school. Inside, there is a story book, a beautiful card and a reading list. Besides these three things, there will also receive a special note, which is worth one pound. Children can use it to buy their favorite books. And they can also enjoy a special price---20% cheaper.
Share of Reading
It is an interesting on-line activity which is for one week. People can share their opinions of a book on line. There are also many reading-aloud activities in libraries. For example, in 2010’s World bookd Day, U.S. first lady Michelle Obama read aloud a book called The Cat in The Hat for More than 200 children in a library.
Information Card
What’s the date of the World Book Day
小题1:
Who is the World Book Day writer of School Children’s Books
小题2:
How many things do primary school students in Britain receive on the World Book Day
小题3:
What can people do in the activity of Share of Reading
小题4:
Which book did Michelle Obama read aloud to children on the 2010 World Book Day
小题5:
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单项选择题

以下程序的执行结果是( )。
#include＜iostream.h＞
#include＜iomanip.h＞
void fun(int n)

if(n!=0)

fun(n-1);
for(int i=1 ;i＜=n;i++)
cout＜＜setw(3)＜＜i;
cout＜＜end1;


void main()

fun(3);

A.

B.

C.

D.
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