更多"Researchers______ that genes may de"的相关试题:
[单项选择]Researchers______ that genes may determine the strength of the immune system which could help explain how an infectious disease could have a hereditary link.
A. speculate
B. estimate
C. evaluate
D. anticipate
[单项选择]Genes determine ______ the shape of a leaf and the sex, height, and hair color of a child.
A. such as features
B. such features as
C. as such features
D. features, as such
[单项选择]Although specific concerns may determine the intent of a research project, its results are often （）.
A. unanticipated
B. beneficial
C. spectacular
D. specialized
[单项选择]设有语句：char str1[]="string",str2[8],*str3,*str4="string"；，则下列对库函数strcpy调用不正确的是( )。
A. strcpy(str1,"Hellol")；
B. strcpy(str2,"Hello2")；
C. strcpy(str3,"Hello3")；
D. strcpy(str4,"Henllo4")；
[单项选择]设有以下语句： char str 1[]="string",str2[8],*str3,*str4="string"; 则______不是对库函数的正确调用。
A. strcpy(str 1,"HELLO1");
B. strcpy(str2,"HELLO2");
C. strcpy(str3,"HELLO3");
D. strcpy(str4,"HELLO4");
[单项选择]若有两个字符串str 1="98765"，str2="65"，执行s=Instr(str1，str2)后，返回 ( )。
A. 3
B. 4
C. 5
D. 6
[单项选择]设有语句： char str1[]="string",str2[8],*str3,*str4="string"； 则下列对库函数strcpy（ ）调用不正确的是( )。
A. strcpy(str1,"Hell01")；
B. strcpy(str2,"Hell02")；
C. strcpy(str3,"Hell03")；
D. strcpy(str4,"Hell04")；
[单项选择]函数调用strcat (strcpy(str1，str2)，str3)的功能是( )。
A. 将字符串str1复制到字符串str2中后再连接到字符串str3之后
B. 将字符串str1连接到字符串str2之后再复制到字符串str3之后
C. 将字符串str2复制到字符串str1中后再将字符串str3连接到字符串str1之后
D. 将字符串str2连接到字符串str1之后再将字符串str1复制到字符串str3中
