西咪替丁结构中含有 A.呋喃环 B.噻唑环 C.噻吩环 D.咪唑环 E.吡啶环 发布时间:2017-07-08 19:07 │ 来源:www.tikuol.com 题型:单项选择题 问题: 西咪替丁结构中含有A.呋喃环B.噻唑环C.噻吩环D.咪唑环E.吡啶环
题型:单项选择题 在下面四个命题中,真命题的个数有( )(1)互相垂直的两条线段一定相交;(2)有且只有一条直线垂直于已知直线;(3)两条直线被第三条直线所截,同位角相等;(4)从直线外一点到这条直线的垂线段,叫做这点到这条直线的距离.A.3个B.2个C.1个D.0个 查看答案
题型:单项选择题 For ChildrenMuseum: Children’s Museum, Sundays, 89 North Street, 67641235Story time: Children’s Library, 106 Green Street, Wednesdays during 9:30 a.m -5:00p.m. 66599624Sports: Soccer Club, Tuesdays and Thursdays, 16 Yangtze Road, 96725643 Basketball Club, Wednesdays and Fridays, 79071632Cinema: New films for children, 99 Brick Road, 69001354 Useful Phone Numbers Fast Food Restaurant: 66387901 Hospital: 68787451 Visitor Information Center: 800-120-9847 Taxi: 79210583 Visitor Hotel Information: 800-739-7302小题1:It’s Friday afternoon,you can go to_______ .A.visit the museumB.play soccerC.play basketballD.read children’s stories小题2:If children want to watch new films,they should go to________.A.16 Yangtze RoadB.89 North Main StreetC.106 Green StreetD.99 Brick Road小题3:If you dial (拨号)66387901,you can __________.A.ask for some hotel informationB.do some shoppingC.have a good story timeD.order fast food in a restaurant小题4:Lily’s father is ill.She should dial________.A.800-120-9847B.79210583 C.6878745 lD.96725643 查看答案