The destruction of Agadir is an example of ______. A) faulty building construction C) widespread panic in earthquakes B) an earthquake's strength D) ineffective instructions
A. The destruction of Agadir is an example of ______.
B. faulty building construction
C. an earthquake's strength
D. widespread panic in earthquakes
E. ineffective instructions
设变量x和y均已正确定义并赋值,以下if语句中,在编译时将产生错误信息的是______。
A. if(x++);
B. if(x>y&y!=0);
C. if(x>y)x--
D. else y++:
E. if(y<0);
F. else x++;
根据化学结构黄体酮属于
A. 雌甾烷类
B. 孕甾烷类
C. 雄甾烷类
D. 胆甾烷类
E. 粪甾烷类
对强制戒毒期满仍未戒除毒瘾的戒毒人员,经批准可延长强制戒毒期限,但实际执行的强制戒毒期限连续计算不超过( )。
A. 1年
B. 9个月
C. 6个月
D. 3个月