It’s very hot here. Why not ________ you 发布时间：2017-04-27 10:58 │ 来源：www.tikuol.com 题型：选择题 问题： It’s very hot here. Why not ________ your coat? A．put onB．try onC．take offD．turn off
题型：选择题 阅读理解。 Mr. and Mrs. Brown have two children, Mike and Liz. The whole family are all busy, so they often leave notes (便条) for each other. Read these four notes of today and answer the following questions. ① 3:30 pm To Mike, Mr. Tyler rang. No football practice today. I'm going to Donna's house to play and be back at 5:00 pm Liz② 4:00 pm To Liz, It's your turn to walk the dog. I have to do my homework after school. Remember to play with Teddy when you get home! Mike ③ 6:45 pm Has anyone seen my tennis shoes? I'm in my bedroom doing my homework. Mike ④9:00 pm I saw your shoes this morning. They smelt terrible so I put them outside the back door. Good night, dears! Mum1. When will Liz be back home? A. At 3:30 pm. B. At 4:00 pm. C. At 5:00 pm. D. At 9:00 pm. 2. Who should walk the dog today? A. Mike. B. Mrs. Brown. C. Liz. D. Mr. Brown. 3. What is Mike doing at 6:50 pm? A. Practicing football. B. Going to Donna's house. C. Playing tennis. D. Doing his homework. 4. Where can Mike find his tennis shoes? A. In his bedroom. B. Outside the back door. C. In the living room. D. At Donna's house.5. According to the notes, Teddy is __________. A. Mike's mother B. Mike's brother C. Mike's football couch D. the dog in the family 查看答案
题型：选择题 常温下，一种烷烃A和一种单烯烃B组成的混合气体，A或B分子最多只含有4个碳原子，且B分子的碳原子数比A分子的多。（1）将1L混合气体充分燃烧，在同温同压下得到2.5LCO2气体。试通过计算推断原混合气体中A和B所有可能的组合及其体积比，并将结果填入下表：组合编号A的分子式B的分子式A和B的体积比（VA ：VB）① ② ③ ④ 为进一步确定A、B分子式，继续实验：（2）120℃时，取1L该混合气体与9L氧气混合，充分燃烧后，当恢复到120℃和燃烧前的压强时，体积增大了6.25﹪。试通过计算确定唯一符合题意的A、B的分子式。 查看答案