【正文】
The population problem may be the 1 one of the world today. The world’s population is growing 2 . Two thousand years ago, there were only 250 million people 3 the earth. Four hundred years ago, the number was 4 500 million. But at the beginning of the 5 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. A 6 report says that the world population will 7 six billion by the end of the 20th century. This is just ten 8 after it 9 five billion. People say that by the year 2021, 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 七、 書面表達 Zhang Hua 是一個中學生。 1. r __ __ __ make a clear sound 2. r __ __ __ move or go suddenly 3. l __ __ __ close something with a lock __ __ __ __ __ __ to or at whatever place 5. d __ __ __ __ __ __ __ __ say what something is li