下面四个选项中,均是合法转义字符的选项是()。
A.'\"'\\'' 12'
B.'\\'' \017'' \" '
C.'\018''\f ''xab'
D.'\\0'' \101'' x1f '
以下程序的运行结果是________int main(){int x=1,y,z;x*=3+2;printf("%d\t",x);x*=y=z=5;printf("%d\t",x);x=y==z;printf("%d\n",x);return 0;}
The talks mainly ______ the economic development of the region and cooperation with other developing countries.
A. depend on
B. base on
C. focus on
D. count on
I ______ various kinds of people while traveling, some of whom gave me very deep impressions.
A. welcomed
B. confronted
C. familiarized
D. encountered