题目

There are many people in the world now．There __1__ a lot more people next century．So the earth will be very __2__ and there will be a little room for each person．Maybe there will be only __3__ room on the earth in 600 years．That will be a very serious __4__． So man is __5__ of a way to solve the problem． The moon is the satellite（卫星）of the earth．Man will probably go to __6__ there some day．But there is no air，no plants and no life on the moon．So __7__ are doing experiments in many ways．They __8__ solve many problems __9__ man can live on the moon．I'm sure our dr国民党陆军上将、近代著名军事学家蒋百里在1937年初发表的《国防论》中指出：“中国不是工业国，是农业国……农业中松散的，没有要害可抓。”他在这个时间提出这一论点的目的是A．论证中国抵御外来侵略的有利条件 B．论证建立敌后抗日根据地的可能性 C．论证全面抗战路线的正确性 D．坚定国民政府抗战到底的决心