下列家庭小实验中不涉及化学变化的是 A.世博会开幕燃放烟花 B.用糯米、酒曲和水 发布时间:2017-06-02 00:36 │ 来源:www.tikuol.com 题型:选择题 问题: 下列家庭小实验中不涉及化学变化的是A.世博会开幕燃放烟花B.用糯米、酒曲和水制甜酒酿C.用NaOH溶液制作叶脉书签D.用明矾溶液制明矾晶体
题型:选择题 阅读配对。左栏是对5个人想参加的活动的描述,右栏是8个活动的简介,请为每个人选择最适合参加的1项活动。( )1. Ronin and Joe will get married next month. They need much money to buy a house and a car. ( )2. Paul is a basketball fan. He plays basketball every day and he watches basketball match on TV in the evening. ( )3. Oliver is from Canada. He is now in China. He wants to know more about Chinese customs (风俗). ( )4. Keller is six years old. There is something wrong with her eyes and ears. She couldn't see or hear since she was two. ( )5. Ferry wants to know something about dolphins, bears, kangaroos and birds. A. CCTV-1 (The programs are as follows: 18:30 Children's World, 19:30 News, 19:45 Around the world, 20:20 Message from the Market) B. Asian Basketball Championship (锦标赛) (Yao Ming has come back to China. He will join in the Asian Basketball Championship in September in Harbin.) C. International Bank (国际银行) (The bank offers a range of services (服务) including signature loans (个人贷款) and other loan types with low rates.) D. New Life School (The teachers there are very friendly and they can bring new hope to many blind and deaf (聋的) people.) E. YCSXTV(The programs tonight are as follows: 18:30 World News, 19:00 Pop Songs, 19:30 Animal World, 20:20 Science and Life) F. Chinese Dragon Boat Festival (端午节) (People eat rice dumplings and have dragon boat races on a river to celebrate it on May the fifth.) G. Blue Sky Hotel (A newly open hotel that has 150 rooms and swimming pools. It's near the downtown.) H. A Camping Holiday (A group of young people are going on a camping holiday. They take with then some rice, some vegetables, some potatoes and so on.) 查看答案
题型:选择题 女73岁,牙列缺失,戴用全口义齿2周后,自觉上唇处疼痛,左侧咬食物时义齿不脱位,右侧咬食物时义齿脱落,有时会咬伤颊部软组织,查见上唇系带处有一个直径约2mm的溃疡患者咬颊的原因除外()。A.后牙排列偏颊侧B.面有尖锐边缘C.颊部软组织过于肥厚D.后牙覆盖过大E.后牙覆盖过小 查看答案