与碱性间二硝基苯试剂的反应即() A.Liebermann-Burchard反应 B 发布时间:2018-04-10 05:50 │ 来源:www.tikuol.com 题型:单项选择题 问题: 与碱性间二硝基苯试剂的反应即()A.Liebermann-Burchard反应B.Kedde反应C.Raymond反应D.Baljet反应E.Molish反应
题型:单项选择题 阅读下列短文,根据短文内容完成文后表格中所缺信息,每空一词(共10题,每小题1 分,计10分)7 NovemberDear Dairy,Today is our Open Day. Our parents come and visit our school on this day.Our school looks nice and big. The playground is very big and our classrooms are clean and bright. We also have an art room, a music room, a biology room and a small hall.The Open Day starts at 9 a.m. in the playground. Everyone watches the students play different sports. Next we go to the art room to enjoy all the students’ pictures at 10 a.m. At 11 o’clock we all go to the school hall for a short meeting, and then we have lunch. After lunch, we have a little rest for half an hour in the hall. At 2p.m.we have a look at all the students’ work in the biology classroom. Finally we go to the music room and listen to some students play music at 4p.m.Everyone has a good time at school on this day.Open DayDate: 小题1: 7thTime 小题2: Place9a.m.Watch the students 小题3: sportsPlayground10a.m. 小题4: students’ picturesArt room11a.m. 小题5: School hallAfter lunchHave a rest(休息) for thirty 小题6: Hall2p.m. 小题7: at students’ work 小题8: classroom4p.m.Listen to 小题9: Music roomEveryone has小题10:on this Open Day. 查看答案