—What’s the matter with Tim?—Oh. His electronic dictionary was left in a taxi accidentally, never __

题干

—What’s the matter with Tim?
—Oh. His electronic dictionary was left in a taxi accidentally, never ________ again.

A：to find

B：finding

C：to be found

D：being found

上一题下一题 0.0难度选择题更新时间:2018-01-12 09:04:26

小明在探究滑动摩擦力与压力大小关系的实验中，他在水平木板上用弹簧测力计沿直线匀速拉动木块，通过改变放在木块上砝码的重力来改变木块与木板之间压力的大小。他通过测量木块的重力、分析弹簧测力计读数以及砝码重力，记录了如下实验数据，回答下面问题：