大学英语本科课程习题集1.doc

PAGE 大学英语(本科)课程习题集1 导读：就爱阅读网友为您分享以下“大学英语(本科)课程习题集1”的资讯，希望对您有所帮助，感谢您对92的支持! C. they will get a reward D. something dangerous will happen to them 75. Which of the following is NOT true? A. Scientists believe apes may drive trains someday. B. Apes have worked in some factories. C. Apes may one day be used to gather crops, D. An ape is not a large monkey. Passage 6 The average North American driver travels 12,000 miles per year. In order to get the maximum life out of an automobile, you must provide it with proper maintenance. Proper maintenance can reduce air pollution, extend the value of the vehicle, save on fuel bills, prevent breakdowns, and lead to better performance. You should change the oil in all of your vehicles every 3,000 miles. Whenever you change the oil you can also change the oil filter. Oil filter remove dirt and debris (废物，垃圾) from oil. As the car runs the oil filter will become clogged with excess debris from the oil. In order for an engine to run, it also requires air. This air must be filtered to stop dirt from damaging the engine. Every time you change the vehicle’s oil you should inspect the car for any unexpected wear and tear. Due to the performance and the sheer heat of combustion car engine become very hot. Anti-freeze(防腐剂，抗凝剂) is used as a coolant for your vehicle system. This coolant should be replaced ev