边缘气流不足炉腹以上区域冷却水温差（）。A、升高 B、不变 C、下降 发布时间：2018-08-28 04:58 │ 来源：www.tikuol.com 题型：单项选择题 问题： 边缘气流不足炉腹以上区域冷却水温差（）。A、升高B、不变C、下降
题型：单项选择题 夏季雨后，地面上往往会出现许多蚯蚓，对这一现象的正确解释是（ ）A．蚯蚓喜欢在潮湿的地面爬行B．地面上更容得到食物C．地面上比土壤中更加潮湿D．雨后地下缺少空气，爬到地面上便于呼吸 查看答案
题型：单项选择题 从方框中所给的选项中选择正确句子补全以下对话。A. How are we getting to the airport? B. Maybe we'll go somewhere else. C. When are we leaving? D. Yes, we're going to take a bus there on Tuesday. E. We're going to see the Palace Museum. M: Hello! Alice, tell you good news. We can go to Beijing for holidays this year. W: Great! 1. M: Next Sunday. And we'll get to Beijing by plane. W: 2. M: By taxi. We'll arrive in Beijing on Monday morning and we'll stay there for two weeks. W: What are we going to do in Beijing? M: 3. W: Are we going to visit the Great Wall? M: 4. We'll spend a whole day there. W: When shall we be back home? M: I don't know. 5. W: Wonderful, I'm sure we'll have a great time this year! 查看答案