使用砂轮、剔凿墙体、砂轮锯时应戴()。 A.口罩 B.手套 C.防护眼镜 D.安全帽 发布时间:2018-10-15 00:46 │ 来源:www.tikuol.com 题型:单项选择题 问题: 使用砂轮、剔凿墙体、砂轮锯时应戴()。A.口罩B.手套C.防护眼镜D.安全帽
题型:单项选择题 One reason why_____plane is such a popular means of_____transport is that it is very fast and safe.A.the; /B.a; theC.a;/D.the; the 查看答案