China is the country with the largest population in the world．Too many people cause too many problems such as food problem．And today，China 's population is still growing very fast，so in order to control the population，China has formulated(系統(tǒng)的提出)the policy of family planning，that is late marriage，late childbirth and having fewer healthier children．Men of 22 years old and women of 20 years old can get married．If a man of 25 or over 25 gets married to a woman of 23 or over 23，their marriage is a late marriage．Childbirth by a woman at the age of 23 or later is a late childbirth．The country encourages people to have only one child．Family planning is a useful policy to control China population．And it is still needed in China 's in the following years．

1．What is the passage about?

A. China 's population problem．     B. China 's childbirth．

C. China 's late marriage．          D. China 's family planning．

2．China has formulated the policy of family planning because     ．

       A. population problem can cause many other problems

       B. China has too many people

       C. China wants to control its population

       D. A，B and C

3．Which of the following is a late marriage?

       A. A man of 23 with a woman of 23．

B. A man of 25 with a woman of 22．

       C. A man of 26 with a woman of 23．

       D. A man of 23 with a woman of 20．

4．    can be born by most of the couples?

A. Two babies          B. Only one baby

C. One or two babies     D. Many babies

5．Family planning is      in today 's China?

       A. still needed    B. not needed    C. not good    D. not useful