裂纹贯通整个轨头截面时，钢轨达到（）标准。A、折断B、2核伤C、重伤D、轻伤 发布时间：2019-02-10 10:43 │ 来源：www.tikuol.com 题型：单项选择题 问题： 裂纹贯通整个轨头截面时，钢轨达到（）标准。A、折断B、2核伤C、重伤D、轻伤
题型：单项选择题 从方框内选出短语，并用其适当形式填空。1. Jenny likes to eat lots of fruits, _________ bananas and oranges.2. I want to be a teacher _________ a scientist in the future.3. The two runners took different routes, but they both_______ in the same place.4. When I_______ this morning, it was already nine o’ clock.5. We are_________ a school trip next Sunday. end up, go on, such as, wake up, rather than 查看答案
题型：单项选择题 泥工钟某晚上加班粉房间混泥土地坪，采用1000瓦碘钨灯照明。钟某在粉好一房间后，未切断电源，用手握住灯架想移动时，即触电死亡。事故原因分析：（）A、碘钨灯有缺陷B、移动碘钨灯时未拔脱电源插头C、无漏电保护器D、无证操作 查看答案