怀疑往往是发现错误的前提,是破旧立新的突破口,也是创造发明的起点。()
参考答案:对
The visiting president couldn't help _________ by the beautiful scenery of Guilin in Guangxi.
A.striking
B.to be struck
C.being struck
D.to strike
下面程序的运行结果为 #include<iostream.h> void main( ) {char a='3'; switch(a) { case'3':cout < <"3"; case'2':cout < < "2";break; default:cout < <"1"; } } A) 3 B) 321 C) 31 D) 32