股骨颈骨折中易发生头坏死的类型为（） A.基底型 B.头下型 C.经颈型 D.不完全
题型：单项选择题
问题：
股骨颈骨折中易发生头坏死的类型为（）
A.基底型
B.头下型
C.经颈型
D.不完全移位的股骨颈骨折
E.嵌插型股骨颈骨折
题型：单项选择题
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.
When children are young, parents often ask them to do some work around the house. And in many families,
parents often give the money for doing the housework by children. And children can learn how to make money for
their own use. Some children will find a part-time job(兼职) to get the money to use. So children know how to make
money and take care of themselves when they are young.
Children in the USA 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 holidays.
Parents usually let their c
hildren choose their own jobs. Americans think it important for young people to decide
on their lives by themselves.
1. Most of American families have ______________ people each.
A. one or two
B. two or four
C. tow to four
D. about five
2. Children have to do some _______________ at home when they are young.
A. housework
B. homework
C. shopping
D. office work
3. They can get money for their ______________ when they are young.
A. housework
B. part-time jobs
C. voluntary (志愿的) work
D. both A and B
4. Do children in America usually live
with their parent
s when they grow up?
A. Yes, they do.
B. No they don't.
C. We can't find the answers.
D. Some do, some don't.
5. Children ____________their parents.
A. write to their parents or telephone.
B. write to their parents and visit
C. write to their parents, telephone them or visit
D. go to their parents' home and meet