妇科检查前准备与内、外科检查准备不同的是
A.解释安置体位的要求B.要求排空膀胱C.提醒或协助病人上下床安全D.冬季做好保暖工作E.嘱病人张口呼吸放松腹壁
参考答案:B
— Could you tell me _____?
— Sure, eleven o'clock. [ ]
A. where will you go on vacation
B. when does she go to school
C. when the next bus will arrive
D. where you were born
栈和队列的共同特点是( )。
A.都是先进先出
B.都是先进后出
C.只允许在端点处插入和删除元素
D.没有共同点