Americans with small families own a small car or a large one. If both parents are working,

Americans with small families own a small car or a large one. If both parents are working, they usually have two cars. When the family is large, one of the cars is sold and they will buy a van(住房汽车)
　　A small car can hold(容纳)four persons and a large car can hold six persons but it is very crowded(拥挤). A van hold seven persons easily, so a family three children could ask their grandparents to go on a holiday travel. They could all travel together.
　　Mr.Hagen and his wife had a third child last year. This made them sell a second car and bus a van. Their children sixth and seventh seat are used to put other things, for a family of five must carry many suitcases(衣箱)when they travel. When they arrive at their grandparents' home, the suitcases are brought into the two seats can then carry the grandparents.
　　Americans call vans motor homes. A motor home is always used for holidays. When a family is traveling to the mountains or to the seaside, they can live in their motor home for a few days or to the seaside, they can live in their motor home for a few days or weeks. All the members of a big family can enjoy a happier life when they are traveling together. That is why motor homes have become very popular. In America there are many parks for motor homes.
【小题1】 From the passage, a van is also called .A．a motor carB．a motor homeC．a motorbikeD．a big truck【小题2】Before Mr. Hagen and his wife bought a van, they .A．sold their old houseB．moved to their grandparents' houseC．built a new place for a vanD．sold their second car【小题3】Americans usually use motor homes .A．to travel with all the family members of holidayB．to do some shopping with all the family membersC．to visit their grandparents at weekendsD．to drive their children to school every day【小题4】 Motor homes have become popular because .A．they can take people to another city when people are freeB．they can let families have a happier life when they go out for their holidaysC．some people think motor homes are cheapD．big families can put more things in motor homesB

(答案→)B 解析：文章介绍美国家庭拥有汽车的情况，介绍房车的使用和为什房车在美国越来越受欢迎。【小题1】细节理解题。根据第四段第一句“Americans call vans motor homes.”可知在美国vans被叫做motor homes，故选B。【小题2】细节理解题。根据第三段“This made them sell a second car and buy a van.” 可知Hagen先生和妻子在买房车前卖了他们的二手车，故选D。【小题3】推理判断题。根据第一段最后一句“When the family is large, one of the cars is sold and they will buy a van(住房汽车).”推断答案为C。【小题4】细节理解题。根据第四段“A motor home is always used for holidays.” 可知美国人用房车是为了出去度假的，故选A。【小题5】细节理解题。根据第四段“All the members of a big family can enjoy a happier life when they are traveling together. That is why motor homes have become very popular.” 可知房车这么受欢迎是因为它可以让大家庭出去度假更加愉快，故选B。

这个答案应该是对的