高中与英语 Unit 3 Travel journal 单元自测 新人教版必修1.doc

Unit 3 Travel journal 单元自测 （模块） 1完形填空 阅读下面短文，掌握其大意，然后从21—30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。 字数：217 完成时间：15分钟 难度：*** When it’s 10:15 in New York, it’s 9:15 in Salt Lake City, and 7:15 in San Francisco – isn’t it? This consistent and orderly time system, based on a grid of time 21 , seems so natural that people 22 give it a moment’s thought. So you may find it surprising to learn that prior to the late 1800s each community 23 its own time – by looking at the sun. When the sun shone directly overhead in Washington, D.C., for example, it was 12:00 noon there; up the road in Philadelphia, 24 , it was 12:07, and in Boston it was 12:24. To measure time with absolute accuracy, it is necessary to move the clock about one minute for every twelve miles of distance; so according to “sun time” your pocket watch would be slightly 25 if you ventured only a few miles down the road. It was not until the advent of widespread railroad travel that a need 26 for 27 time. At one point over 300 local times were honored within the 28 , making it literally impossible for trains to arrive consistently on time 29 . As a result, in 1883 the continental United States was divided into four time longitude. The standardization resulting from this system 30 so helpful that in 1884 the International Meridian Conference applied the same procedure to establish time zones around the world. 21. A. areas B. districts C. zones D. divisions 22. A. usually B. never C. only D. rarely 23. A. made B. established C. arranged D. founded 24. A. however B. therefore C. meanwhile D. by contrast 25. A. different B. wrong C. incorrect D. mistaken 26. A. arrived B. raised C. happened D. arose 27. A. regularized B. organized C. corrected D. standardized 28. A. state B. county C. world D. country 29. A. everywhere B. anywhere C. nowhere D. somewhere 30. A. was proved B. has been proved C. was proving D. proved [答案] 21. C. 时区time zone, 是固定词组。 22. D. 人们习以为常了，所以很少想到它，选rarely, 经常想起