阅读理解。 Most American families are smaller than the families in other countries. Most American families have one or two parents and one or two children each. Children in the US will leave their parents' home when they grow up. They usually live far from their parents because they want to find good jobs. They often write to their parents or telephone them. And they often go to visit their parents on holiday. Parents usually let their children choose their own jobs. Americans think it important for young people to decide (决定) on their lives by themselves. Children are asked to do some work around their house. And in many families, children are paid for (被给报酬) doing some housework so that they learn how to make money for their own use. 1. The size of most American families is ______ that of other countries. [     ] A. larger than B. smaller than C. as big as D. as small as 2. When children grow up, they leave their parents' home to ______. [     ] A. get married B. be free C. find good jobs D. study 3. They visit their parents ______. [     ] A. on weekdays B. on weekends C. at any time D. on holiday 4. Which of the following statements is WRONG? [     ] A. Children have the freedom to choose their own job. B. Parents don't ask their children to do the housework. C. Parents think it important for children to make their own decision. D. When children grow up, they usually live far away from their home. 5. Some parents pay their children for doing housework because ______. [     ] A. children can learn how to make money for themselves B. their children required them to do so C. they are rich D. it is required by law