有以下程序： # include＜stdio.h＞ main() char ch1,ch2; int n1,n2 ch1=getchar()； ch2=getchar()； n1=ch1-’0’; n2=n1*10+(ch2-’0’); printf("%d\n",n2); 程序运行时输入：12＜回车＞，执行后的输出结果是______。
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64（）
A. What should I do
B. Thank you, mom.
C. Where have you been
D. Yes, he is.
E. What was wrong with him
F. Were you sick
G. Where is the hospital
H. I’m sorry to hear that.
A. pieceB. citiesC. nieceD. field
To the writer, the fact that women alter their old-fashion dress is seen as （）.
A. a waste of money
B. a waste of time
C. an expression of taste
D. an expression of creativity
预防饮水所致地方性氟中毒首要措施是
A. 改善营养
B. 更换水源
C. 移民
D. 水中除氟
E. 投药
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