18. Why is corn feeding millions of people today?
19. What did Columbus bring back on his second trip?
20. What was the result of Columbus’ two trips to america?
1999年6月大学英语四级考试参考答案
Part I Listening Comprehension
1-10:DCCAB BDACA
11-20:ACBDA CBDDB
Part II Reading Comprehension
21.C 22.D 23.B 24.C 25.A
26.D 27.B 28.A 29.C 30.A
31.D 32.C 33.A 34.B 35.B
36.A 37.D 38.B 39.C 40.D
Part III Vocabulary and Structure
41.B 42.D 43.C 44.B 45.D
46.D 47.B 48.A 49.A 50.D
51.A 52.C 53.D 54.C 55.B
56.B 57.A 58.B 59.B 60.A
61.D 62.C 63.A 64.C 65.B
66.A 67.A 68.C 69.C 70.A
Part IV Short Answer Questions
S1.Economics.
S2.Because the increased cost will be more than Marge’s income.
S3.Economic factors and emotional needs.
S4.That homemaking gives them the deepest satisfaction.
S5.Stay home.
Part V Writing(略)
