We cannot live a modern life without traveling.The fastest way of traveling is by air.With a plane one can travel in one day to places which it took a month or more to get to a hundred years ago.Traveling by train is slower than by plane,but one can

We cannot live a modern life without traveling.The fastest way of traveling is by air.With a plane one can travel in one day to places which it took a month or more to get to a hundred years ago.Traveling by train is slower than by plane,but one can
We cannot live a modern life without traveling.The fastest way of traveling is by air.With a plane one can travel in one day to places which it took a month or more to get to a hundred years ago.
Traveling by train is slower than by plane,but one can see the country he is traveling through.Modern trains have comfortable（舒服的）seats and dinning-car.(2)They make even the longest journey（旅行） enjoyable.
Some people prefer to travel by sea when possible.There are large luxury liners(客轮)or river boats.They are not as fast as trains or planes,but traveling by sea is a very pleasant way to spend a holiday.
Many people like to travel by car.They can make their own timetable.They can travel hundreds of miles or only fifty miles a day,just as their want.They can stop wherever they want to see something interesting or to enjoy a good meal at a good restaurant,or to spend the night at a hotel.That is why people choose traveling by car for pleasant trips,while they usually take trains or planes for business.
37.写出（2）处的单词they指代的内容
38.which is the slowest way to travel,by boat,by train or by plane?
39.why do people like to travel by car?
40.How do people usually travel on business?

We cannot live a modern life without traveling.The fastest way of traveling is by air.With a plane one can travel in one day to places which it took a month or more to get to a hundred years ago.Traveling by train is slower than by plane,but one can
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37.comfortable seats and dinning-car
38.by boat
39.They can make their own timetable.They can travel hundreds of miles or only fifty miles a day,just as their want.They can stop wherever they want to see something interesting or to enjoy a good meal at a good restaurant,or to spend the night at a hotel.
40.they usually take trains or planes
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37. they指代的是Traveling by train，本段首句的主语。
38. travelingby boat is slowest
39. The reason 就是最后一段，去掉头尾两句，即从They can make their own timetable,……or to spend the night at a hotel，因为接下来的一句就是说明：That is...

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37. they指代的是Traveling by train，本段首句的主语。
38. travelingby boat is slowest
39. The reason 就是最后一段，去掉头尾两句，即从They can make their own timetable,……or to spend the night at a hotel，因为接下来的一句就是说明：That is why people choose traveling by car for pleasant trips，可译为：这就是为什么人们选择自驾旅游的原因。
40. take trains or planes for business，即文章最后一句。

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