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Americans with small families own a car. If both parents are working, they usually have two cars. When the family is larger, they will sell one of the cars and buy a van (住房汽车).

A small car can hold four persons and a large car can hold six persons but it is very crowded. A van can hold seven persons easily, so a family with three children can ask their grandparents to go on a holiday travel. They can all travel together.

Mr. Hagen and his wife had a third child last year. So they sold their second car and bought a van. They thought it would be more convenient for them to go out together.

Americans call vans motor homes. They always use them 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 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.

1. （1） Americans also call vans        .

   A . motor cars B . motor homes C . motorbikes D . big trucks
3. （2） A family with      usually has a van.

   A . a baby B . much money C . more than two children D . interest in vans
5. （3） Americans usually use motor homes to       .

   A . travel with all the family members for holidays B . do some shopping with all the family members C . visit their grandparents at weekends D . drive their children to school every day
7. （4） Motor homes have become popular because      .

   A . they can take people to another city when people are free B . they can let families have a happier life when they go out for their holidays C . some people think motor homes are cheap D . big families can put more things in motor homes