B. governments would take effective measures C. all sides concerned would make more efforts D. farmers would use less artificial fertilizers
15. People can help solve the problem of pollution by . A. urging their governments to control litter and waste B. making anti-pollution advertisements
C. cutting down the use of oil and other oil products
D. reducing unnecessary buying, over-consumption and careless disposal of wastes
11-15 ABDCD
答案：
Part I Vocabulary and Structure
1-5 BDADC 6-10 CACAC 11-15 DBCBA 16-20 ABABD
Part II Reading Comprehension
1-5 AABDA 6-10 AACAD 11-15 ABDCD
