以下说法中正确的是( )。
A. C语言程序总是从第一个的函数开始执行
B. 在C语言程序中,要调用的函数必须在main()函数中定义
C语言程序总是从main()函数开始执行
D. C语言程序中的main()函数必须放在程序的开始部分
The teacher notified us that the examination would be held in __________.
A. two weeks time
B. two weeks' time
C. two week's time
D. two week time
NITROGE QISTPGB
A. 2
B. 3
C. 4
D. 5
He _______ himself with a false beard and a pair of sunglasses.
A. hid
B. covered
C. concealed
D. disguised
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