以下不是溶剂再生塔压力高的原因是（）。A.塔底蒸汽大 B.酸性气管路不畅 C.冷回流 发布时间：2017-09-30 12:54 │ 来源：www.tikuol.com 题型：单项选择题 问题： 以下不是溶剂再生塔压力高的原因是（）。A.塔底蒸汽大B.酸性气管路不畅C.冷回流小D.塔进料突然变大
题型：单项选择题 阅读理解。根据短文内容填空，每空一词。 Now cities are full of cars. Some families even have two or three cars.Parking is a great problem. Something will have to be done to change it. What will the cars of tomorrow be like? Little cars may some day take the place of today's big cars. If everyone drives little cars in the future there will be less pollution in the air. There will also be more space for parking cars in cities, and the streets will be less crowded .Three little cars can fit (适合) in the space now needed for one car of the usual size. The little cars will cost much less to own and to drive. Driving will be safe, too. What is more,these little cars can go about 65 kilometers per hour (每小时). Little cars of the future will be fine for going around a city, but they will not be useful for long trips. If big cars are still used along with the little ones, two sets of roads will be needed in the future. Some roads will be used for the fast big cars , and other roads will be needed for the slow little ones.1. In cities , _____ is a big problem for those people who have cars.2. In the _____ little cars will cost much less to own and to drive.3. A little car's size of tomorrow may be _____ third of today's one car's usual size.4. If people drive little cars _____ of the big ones,there will be less air pollution.5. Two sets of roads will be built for the fast big cars and the _____ little ones. 查看答案
题型：单项选择题 在现实中，我们一般将计算机分类为( )。A．服务器、工作站、台式机、便携机、手持设备B．大型机、小型机、个人计算机、工作站、巨型计算机C．服务器、工作站、台式机、笔记本D．服务器/工作站、台式机、笔记本，掌上电脑，大型机、小型机 查看答案
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