我国的枣树有多个品种，枣树既可以用种子繁殖，也可采用分根、嫁接等方式繁殖，即枣树的繁殖方式有有性生殖、无性生殖两种方式。[ ]
√
—He is in his late 40s now and still single.
—It is high time he _____ himself a wife and settled down.[ ]
A. has to get
B. will get
C. gets
D. got
若输入“abcdef”“abdef”，下述程序的输出结果为( )。 # include＜stdio.h＞ # include＜string.h＞ main() int n； char s1[20] ,s2[20],*p1,*p2; scanf("%s" ,s1)； scanf("%s" ,s2)； p1=s1; p2=s2; n=strcmp(p1,p2)； printf(”%d\n" ,n)；
A．-1
B．0
C．"abcdef"
D．"abdef"
