求一篇短文填空 急 Boys and girls,we are always told that population

求一篇短文填空 急
Boys and girls,we are always told that population is the largest challenge(挑战）in the world today.But have you (1) thought about is?Have you thought what is means?Have you thought what we should do (2) students?
Some students say that more people can do (3) things.For example,when droughts(旱灾) (4) ,more people can do better than fewer people can.Other students think that human beings have (5) one earth,they have to live with many other living things.So,we must keep the balance(平衡) of nathre
The resources on the earth such as food,water,coal and so on are not as (6) as they were twenty years ago.Why?Because the world's population is increasing so (7) In order to have better living conditions and environment,we must make a contribution to slowing down the rate of population (8).That's our (9) .We must try to our best to make everyone pay attention (10) the problem.Do so and we are sure we can do better.