Question

完形填空阅读下面短文, 掌握其大意, 然后从各题所给的四个选项(A、B、C和D)中, 选出最佳选项. The population problem __1__ the greatest one in the world today. The __2__ population is growing __3__. Two thousand years __4__, there were only 250 million people __5__ the earth. One thousand six hundred years __6__, the __7__ was over 500 million. In 1990, there __8__ over five billion. A __9__ report __10__ that the world's population will __11__ six billion __12__ the end of this century. This is just ten years after it __13__ five billion. That means that in the coming years there will be __14__ only on the earth. There won't be enough space for __15__. (1) A. may be B. maybe C. must D. perhaps be [　　] (2) A. world B. worlds C. world's D. worlds' [　　] (3) A. fastest B. more fast and fast C. the faster, the faster D. faster and faster [　　] (4) A. ago B. before C. then D. later [　　] (5) A. in B. on C. living D. for [　　] (6) A. after B. then C. later D. late [　　] (7) A. people B. count C. person D. number [　　] (8) A. was B. were C. are D. is [　　] (9) A. UA B. USA C. UN D. UT [　　] (10) A. say B. saying C. said D. says [　　] (11) A. over B. pass C. more than D. past [　　] (12) A. by B. of C. in D. on [　　] (13) A. reach B. reached C. got D. get [　　] (14) A. stand rooms B. stand room C. standing room D. standing rooms [　　] (15) A. nobody else B. else everybody C. anybody else D. else everything [　　]

Answer 1

答案：1．A ;2．C ;3．D ;4．A ;5．B ;6．C ;7．D ;8．B ;9．C ;10．D ;11．B ;12．A ;13．B ;14．C ;15．C ;