It has been announced that candidatesremain in their seats until all the papers have been collected._刷题宝

题干

It has been announced that candidates remain in their seats until all the papers have been collected.

A：ca

B：shall

C：will

D：may

上一题下一题 0.0难度选择题更新时间:2018-04-05 08:39:35

答案(点此获取答案解析）

B

同类题1

You ______a teacher. I ______ a student. My sister ______a student, too.

同类题2

________ is tired and thirsty.

同类题3

检查视力的时候，视力表放在被测者头部的后上方，被测者识别对面墙上镜子里的像（如图所示）．视力表在镜中的像与被测者相距（　　）

同类题4

溴乙烷在不同溶剂中与NaOH发生不同类型的反应，生成不同的反应产物．

某同学依据溴乙烷的性质，用右图实验装置（铁架台、酒精灯略）验证取代反应和消去反应的产物，请你一起参与探究．

实验操作Ⅰ：在试管中加入5mL 1mol/L NaOH溶液和5mL 溴乙烷，振荡．

实验操作II：将试管如图固定后，水浴加热．

同类题5

如图，直线

a, b

c, d

a / / b

，则下列结论中正确的是( )

小学学科试题库

初中学科试题库

高中学科试题库