中学生应有一定的安全常识。下列做法不正确的是
A.实验时,把没有用完的白磷丢进垃圾筐中
B.炒菜时,油锅内意外着火,立即加入青菜灭火
C.液化气、煤气泄漏起火时,首先关闭气体阀门
D.高楼着火,用湿毛巾捂住口鼻,蹲下靠近地面撤离
答案:A
题目分析:实验时,把没有用完的白磷丢进垃圾筐中可能会引起火灾,错误,故选A。
中学生应有一定的安全常识。下列做法不正确的是
A.实验时,把没有用完的白磷丢进垃圾筐中
B.炒菜时,油锅内意外着火,立即加入青菜灭火
C.液化气、煤气泄漏起火时,首先关闭气体阀门
D.高楼着火,用湿毛巾捂住口鼻,蹲下靠近地面撤离
答案:A
题目分析:实验时,把没有用完的白磷丢进垃圾筐中可能会引起火灾,错误,故选A。
完形填空。 | |||
Last summer I was a volunteer (志愿者) at a shelter(收容所) for the homeless, a place for homeless | |||
( ) 1. A. studying ( ) 2. A. full ( ) 3. A. helped ( ) 4. A. ordered ( ) 5. A. with ( ) 6. A. demand ( ) 7. A. wanted ( ) 8. A. decisions ( ) 9. A. as ( )10. A. struck ( )11. A. habits ( )12. A. luck ( )13. A. so ( )14. A. good ( )15. A. old ( )16. A. if ( )17. A. went ( )18. A. also ( )19. A. car ( )20. A. afraid | B. planning B. free B. waited B. bought B. from B. needed B. had B. wishes B. like B. filled B. worries B. pain B. again B. fresh B. poor B. because B. moved B. still B. cottage(村舍, 小别墅) B. shy | C. holding C. extra C. appeared C. cooked C. by C. collected C. owned C. friends C. except C. strikes C. difficulties C. experiment C. then C. skilled C. sick C. so that C. came C. almost C. building C. happy | D. taking D. long D. washed D. finished D. in D. request D. enjoyed D. changes D. besides D. provided D. problems D. loss D. thus D. new D. dull D. in case D. worked D. even D. flat(公寓) D. mad |