简单分支结构语句是( )。 A．DO CASE…ENDCASE B．DO WHILE…ENDDO C．IF…ENDIF D．SCAN…ENDSCAN

下列关于Do…Loop语句的叙述不正确的是 ( ) A．Do…Loop语句采用逻辑表达式来控制循环体执行的次数 B．当Do while…Loop或Do until…Loop语句中while或until后的表达式的值为 true或非零时，循环继续 C．Do…Loop while语句与Do…Loop until语句都至少执行一次循环体 D．Do while…Loop语句与Do until…Loop语句可能不执行循环体

C语言中while与do~while语句的主要区别是（ ） A: A．do~while的循环体至少无条件执行一次 B: B．do~while允许从外部转到循环体内 C: C．do~while的循环体不能是复合语句 D: D．while的循环控制条件比do～while的循环控制条件严格

与while(*s++=*t++);等价的程序段是A.do {     *s = *t++;  } while ( *s++ );B.while ( *t )    *s++ = *t++;C.do {     *s++ = *t++;  } while ( *t  );D.while ( *s )     *s++ = *t++;

【单选题】3 . What ____ your father and mother ____ ? A. does, do B. do, do C. are, do D. do, does A. does, do B. do, do C. are, do D. do, does

What________you________lastweek?I________somereading. A: did;did;did B: do;do;do C: did;do;do D: did;do;did

Why do we need AI ? A: Do what human unable to do B: Do what human don’t want to do C: Do what human don’t know how to do D: Do what human want machine to do

If I ____ the job, I would do it in a different way. A: were to do B: to do C: will do D: would do

What do you think _____ solve the problem? A: you can do B: can you do C: do can do to D: can you do to

________you________your homework at the moment? A: Are; do B: Are; doing C: Do; do D: Did; do