s and in tropical forest. Today it feeds millions of people all over the world .
On his second trip, Columbus brought back a few chocalate beans to make choc alae. Europeans and Asians love this new drink, and soon they were paying a grea t deal of money for the beans. Chocalate beans became so valuable in Central ame rica that they were used as cash for 200 years.
Tomatoes and patatoes took some time to become popular. Eventually, however, they became the basis of a lot of popular foods. It is hard to imagine life wit hout fried potatoes or chocalate. Thanks to native American cultures, many peopl e are able to enjoy lots of tasty food.
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)
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