搜题请搜索小程序“爱下问搜题”
问题 选择题

I ______ at ten o’clock in the evening. [ ]

A. have breakfast

B. get up  

C. go to bed

D. watch morning TV

答案

答案：C

阅读理解

阅读小天地。根据短文内容判断下列句子的正(√)误(×)。

      December 25th is Christmas Day. It is an important (重要的) holiday in the West. During (在……期间)

Christmas Day, people don't work, children don't go to school. Most families get together and have a big dinner.

They give and receive gifts and visit friends. The Christmas tree is an important part of Christmas. Most families

buy a tree. They also buy many things to put up the tree.

( ) 1. November 25th is Christmas Day.

( ) 2. Christmas is an important holiday in China.

( ) 3. In the west, people don't work, children don't go to school on Christmas day.

( ) 4. In the west, most families get together and have a big dinner on Christmas day.

( ) 5. The Christmas tree is an important part of Christmas.
查看答案
问答题

请编制程序ReadDat()实现从文件in.dat中读取100个十六进制数到字符串数组xx中；再编制函数h16to10()，将xx中的十六进制数转换成十进制数并把已转换的十进制数仍存放在字符串数组xx，最后调用函数WriteDat()把结果输出到out．dat文件巾。原始数据文件存放的格式是：每行存放10个数，并用逗号隔开(每个数均大于0且小于等于2000)。
请勿改动主函数main()、输出数据函数writeDAT()的内容。
[试题源程序]
#include＜stdio．h＞
#include＜stdlib．h＞
#include＜string．h＞
#include＜ctype．h＞
#define MAX 10
char xx[MAX][20]；
void WriteDat(void)；
int ReadDat(void)

FILE*fp；
if((fp=fopen("IN．DAT，"r"))==NULL)return 1：
fclose(fp)；
return 0；

void H16tol0(void)

void main()

int i；
for(i=0；i＜MAX；i++)memset(xx，0，20)；
if(ReadDat())

printf("Can’t open the data file in．dat!＼007＼n")；
return；

H16to10()；
WriteDat()；

void WriteDat(void)

FILE*fp；
int i；
fp=fopem("OUT DAT"，"w")；
for(i=0；i＜MAX；i++)fprintf(fp，"%s＼n"，xx[i])；
fclose(fp)；
查看答案