把词语补充完整。
张____结____ 画龙____ ____ 自相____ ____ 滥____ ____数 乌云____ ____
灯 彩 点 睛 矛 盾 等 充 密 布
—There are 60 students in my class and 44 of them use weibo veryoften.
—44? That means about_______of your classmates are weibo users, right?
A.half
B.one third
C.two thirds
D.three quarters
在Linux多线程编程时,需要包含头文件()。