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问题 选择题
―_____ he want to go to a movie?
―No, he _____.

A. Do; don't
B. Is; isn't
C. Does; doesn't
D. Does; does
答案

答案：C

选择题

与乙烯所含碳、氢元素的质量百分含量相同，但与乙烯既不是同系物又不是同分异构体的是

A 环丙烷       B 乙烷        C 甲烷      D  CH3CH=CH2
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单项选择题

下列程序的运行结果为（ ）。# include ＜ iostream．h ＞voidprint (double a){cout ＜＜ ++a；}void print (int a，int b){cout ＜＜ b ＜＜ a；}void main( ) {print (1.2)；cout ＜＜" "；print (3,4)；}

A．1.2 34

B．2.2 34

C．1.2 43

D．2.2 43
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