【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 wall
【判断题】It was a fine day in the story.
【单选题】张某,男性,26岁,癫痫史19年。有明确的抽搐和发作后意识朦胧,精神异常表现,有幻觉,初诊为精神运动性发作,应该首选下列何种药物
【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...