题目内容
阅读理解
At one time a traveler could learn about a region（地区）by looking at the houses. For example, he or she could understand what building materials were available. In areas with many wooden houses, the traveler would have guessed that there were nearby forests. Stone houses would have indicated（表明）that stones were easy to get. However, a closer look at the houses would have told the traveler even more about the area.
In cold mountain regions of the world, for example, people have traditionally built houses so that one side almost touches the mountain. Thus, this side of the house is protected from cold winds. Modern designers who plan houses are finding this old tradition to be very useful. They are designing houses with one or more walls that touch the surrounding earth. In fact, sometimes the houses are almost completely covered with soil. These houses are efficiently heated and cooled because underground temperatures change very little.
（1）The main idea of paragraph 1 may be that ________ .
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A. houses would tell the features（特征）of a region
B. people travelled in order to learn about houses
C. people built houses only with materials that were easy to get
D. different houses were made of different materials
（2）The houses in cold mountain regions ________ .
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A. must be located in places without strong wind
B. are built nearly against the mountain
C. have not changed much
D. are built with mud tops
（3）The main idea of paragraph 2 may be that _______ .
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A. modern houses are efficiently heated and cooled
B. modern designers dislike the old tradition
C. modern designers have changed the old tradition
D. modern designers have learned from the old tradition
（4）Some modern houses are built ________ .
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A. in mountain areas
B. half-buried in the ground
C. where modern building materials are available
D. with good heating and cooling systems
（5）The author develops his topic sentence by ________ .
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解析：
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