答案:it is the green shade from the trees that protect us from the sun, making us feel more energetic.
【模仿2】一直到奥运会在中国举行,世界才充分领略了中国文化的魅力。
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答案:it is not until the 29th olympic games were hosted in china that the world completely experience the charm of chinese culture.
[模仿要点] 句子结构:定语从句where 的用法
【模仿3】他在他出生和成长的地方投资了一家车厂,年产10万汽车
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答案:he invested a car factory where he was born and grew up, which produced 10,000 cars per year.
【模仿4】在很难找到食物的地方就没有什么鸟能长年栖息.
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答案:where food is hard to find, few birds remain throughout the year.
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.