2010中考英语完形填空练习与答案十九
The population problem may be the1 one of the world today． The world's population is growing2 ． Two thousand years ago, there were only 250 million people3 the earth． Four hundred years ago, the number was4500 million． But at the beginning of the5 century, the world's population was about 1,700 million．In 1970, this number was 3,600 million． In 1990, the number was five billion． A6 report says that the world population will7 six billion by the end of the 20th century． This is just ten8 after it9 five billion． People say that by the year 2010, 10 may be seven billion．1．A．great B．greater C．greatest D．greating
2．A．faster and faster B．fast and fast
C．fastest and fastest D．faster and fast
3．A．in B．on C．at D．for
4．A．nearly B．more C．almost D．over
5．A．twenty B．twelve C．twentieth D．twelfth
6．A．USA B．UN C．PRC D．PLA
7．A．past B．pass C．passed D．passes
8．A．weeks B．months C．seasons D．years
9．A．get B．gets C．reached D．reach
10．A．this B．its C．one D．it
KEY: 1．C2．A3．B4．D5．C6．B7．B8．D9．C10．D
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