完形填空。 What is the population of China? There are more than a billion and two hundred million people in China. It is almost one fifth of the world's population. How to control the population growth is a big problem. Some people think 1 to control the population growth. But I don't quite agree 2 them, because where there's a will, there is a way. The question is that we should make it 3 how serious the population problem is. Our farmland is becoming less and less to everyone. We have already got too many mouths to feed. 4 we control the population growth, many people will die 5 hunger. Too fast population growth has been and will be bad for our nation. Though laws (法律) have been 6 to control the population growth, in some places 7 is done to carry out (贯彻) the law. We should make people 8 that it is foolish of them to bring too many children into the world. They should 9 do what they have been doing for many years. We are fighting against the fast population growth. Yes, the fighting won't end 10 everyone knows its importance and does something for it. (     ) 1. A. that is impossible for (     ) 2. A. to (     ) 3. A. known to everybody (     ) 4. A. If not (     ) 5. A. of (     ) 6. A. pass (     ) 7. A. many (     ) 8. A. to know (     ) 9. A. not longer (     ) 10. A. until B. impossible of B. for B. known by everybody B. Unless B. about B. passed B. little B. to learn B. not more B. after C. that is impossible of C. with C. know C. Until C. from C. broken C. a lot C. know C. no longer C. when D. it impossible D. on D. is know by D. If D. out of D. thought D. much D. learning D. no more D. as