【单选题】()适用于扑救油脂类、石油产品及固体物质的初起火灾,不适用于扑救带电设备和轻金属的火灾。
【多选题】下列关于二氧化碳灭火器描述正确的是:
A.
适用于低压电器设备、仪器仪表、工艺品、陈列品
D.
使用推车式二氧化碳灭火器应戴手套或用衣物垫住,防止冻伤
【单选题】-It was fine yesterday. - .And a good day for picnicking,isn’t it?
【单选题】_________ yesterday,we went out for a walk.
【单选题】yesterday,we went out for a wall
【判断题】It was a fine day in the story.
【单选题】2-16.形成平面、圆柱面和直线成形表面的素线和导线,它们的作用可以互换,称之为( )。
【简答题】__________ yesterday,we went out for a walk. A.As a fine day B.It was a fine day C.It being a fine day D.For it was a fine day
【简答题】完形填空。 A peacock and a nightingale It was a fine day. A peacock was dancing happily in the forest. He began to __ 1 __ suddenly because he saw a nightingale __ 2 __ in a tree. He said to the nighting...