以下程序运行后的输出结果是 【8】 。 main() int X=10,y=20

对话填空（共10小题：每小题1分，满分10分）请认真阅读下面对话，并根据各题所给首字幕的提示，在答题卡上标有题号的横线上，写出一个英语单词的完整、正确形式，使对话通顺。

M: How come David is always so full of (76) e______?

W: He has a strange but highly (77) e______ way of sleeping.

M: What is that?

W: He takes a short sleep for an hour every six hours and has a (78) t______ of four hours of sleep every day.

M: Where did he get that strange (79) i_______?

W: He read from a book which (80) s_______ it was the best (81) w______ for human beings, and he believed it.

M: How many hours do you sleep a day?

W: I need at least 7 hours. I once tried to follow David’s (82) e_______, but it never (83) w______ out for me.

M: If I sleep (84) d_______ the day, I can never wake up.

W: Not everyone is David, I (85) g______.  

OSI的会话层处于（）提供的服务之上，为（）层提供服务。

关于肋的描述，正确的是 ( )

A．由肋骨和肋软骨组成
B．分为真肋和浮肋
C．第8～12对肋形成肋弓
D．无上述情况
E．第2对肋骨与胸骨角侧面的肋切迹形成关节

井下使用的电缆严禁采用铅芯电芯。（）

下列程序中的函数strcpy2()实现字符串两次复制,即将t所指字符串复制两次到S所指内存空间中,全并形成一个新字符串。例如。若t所指字符串为：efgh,调用strcpy2后,S所指字符串为：efghefgh。请填空。#include #includevoid strcpy2(char *S,char *t){char*P=t； while(*S++=*t++)；S=【 】； while(【 】=*P++)；} main () char str1[100]="abcd",str2[]="efgh"；strcpy2(strl,str2)；printf("％s＼n",str1)； }