空气呼吸器主要用于什么火场上使用？（） A.烟雾较大及有毒气体扩散 B.居民楼火灾有 发布时间：2018-10-24 15:52 │ 来源：www.tikuol.com 题型：单项选择题 问题： 空气呼吸器主要用于什么火场上使用？（）A.烟雾较大及有毒气体扩散B.居民楼火灾有人员被困C.高层火灾D.地下火灾
题型：单项选择题 完形填空。 One of the most famous movie prizes in the world is the Oscar. 1 in the United States, the Academy of Motion Picture Arts and Sciences gives Oscars to people who have done 2 the movies. There is an Oscar for the best movies of the year, another for the best actor, and Oscars for doing many other things well in the movies. Oscars are very important 3 people want to see movies that won them. They want to see actors who have won Oscars, 4 . This means that movies that have won Oscars make a lot of 5 . The Academy first gave prizes to movies 6 1927, but they were not called Oscars. That happened 7 four years. Most people think that Oscar was someone famous in the movies, but he 8 . He was no one important. He was someone that a woman called Margaret Herrick knew. She worked for the Academy and one day she saw the 9 on a table. She said, "He 10 my friend, Oscar." From that time on the prizes were called the Oscars.( )1. A. Every year ( )2. A. good at ( )3. A. but ( )4. A. too ( )5. A. prizes ( )6. A. at ( )7. A. before ( )8. A. isn't ( )9. A. prize ( )10. A. looks at B. Every four years B. well in B. when B. also B. actors B. in B. after B. doesn't B. woman B. is C. Every day C. awful at C. if C. either C. money C. on C. later C. wasn't C. actor C. likes D. Every month D. badly in D. because D. yet D. movies D. for D. during D. didn't D. man D. looks like 查看答案
题型：单项选择题 下列诗句涉及的历史名城，依次排列正确的一项是[ ]①八月湖水平，涵虚混太清。 ②孤山寺北贾亭西，水面初平云脚低。 ③晓看红湿处，花重锦官城。 ④晴川历历汉阳树，芳草萋萋鹦鹉洲。 A．杭州 岳阳 成都 上海 B．岳阳 杭州 成都 武汉 C．柳州 岳阳 武汉 重庆 D．岳阳 苏州 西安 武汉 查看答案
题型：单项选择题 汉字内码又称为机内码，其编码方法为（）A、每个汉字或字符只能采用2个7位ASCII码B、每个汉字或字符大多采用2个字节长的ASCII码，最高位为0C、每个汉字或字符大多采用2个字节长的ASCII码，最高位为1D、每个汉字或字符不能采用3或4个字节长的ASCII码 查看答案