3．A．farther　　　　　　　　　 B．less　　　　　　　　　　　　 C．further　　　　　　　　　　 D．better

2．A．needs　　　　　　　　　　 B．satisfies　　　　　　　　　 C．service　　　　　　　　　　 D．lacks

1．A．made　　　　　　　　　　 B．caused　　　　　　　　　　 C．led　　　　　　　　　　　　 D．worked out

30.______ good, these cookies sell well.

　 A. Smelled　　 B. Smelling　　 C. Being smelled　　 D. To smell III. 完形填空：

　　 Many of the world's pollution problems have been 1　 　by the crowding of large groups of people into cities．Supply for the 2　　 of the people leads to 3　 　pollution by industry．If the 4　 　increase in human population 5　 　at the present rate(比率)，there may be much greater harm． Some scientists speak of the 6　 　in number of people as“population pollution．”

　 About 2000 years ago，the world 7　 was probably about 250 million． 8　 　reached a billion in 1850．By 1930the population was two billion．It is 9　　 　six and a half billion．It is 10　 　to double by the year 2050．If the population continues to grow at the same 11　 　， there would be 25 billion people in the world a hundred years from now．

　 Man has been using the earth's 12　 　more and more rapidly over the years．Some of them are almost 13　　 ．Now many people believe that man's greatest 14　 　is how to control the growth of his population．The 15　 　in the world will not support the human population，in time to come，if the 16　　 rate of increase continues． 17　 　there is over crowding in the 18　 　and hunger in some countries． Can man's rate of increase 19　　 ？Many people believe that human survival(继续生存)in the future depends on the answer 20　　 the question．

29.Who did the teacher , as well as the monitor , _______ an article for the wall newspaper?

　 A. has write　 B. has written　 C. have write　 D. have written

28. Every possible means ________ to prevent the air pollution , but the sky is still not clear.

　　 A. is used　　 B. are used　 C. has been used　 D. have been used

27.______ the storm, the ship would have reached its destination on time.

　 A. In spite of　　 B. In case of　　 C. But for　　 D. Because of

26.It is important that we _______with all that _______ in the struggle.

　 A. should unite, be united　　 B. would unite, can be united

　 C. unite , can be united　　　 D. should unite, could unite

25.--- ______ can I deal with such a situation ?　 --- Take ______ measures you think best.

　 A. How, whichever　 B. What, whatever　 C. How , whatever　 D. What, whichever

24._______ is worth doing well.

　 A. Whatever is worth doing at all　 B. That is worth doing at all

　 C. What is worth doing at all　　　 D. Whatever is worth doing it at all