▲ 下篇短文共有 5 個空格,為第 1− 5 題,請依短文文意,選出一個最適合
該空格的答案。
Coffee is the world’s second most valuable market commodity after petroleum.
U.S. consumers drink 1 of the beans traded in the global market. Coffee is a significant
source of foreign exchange for many Latin American countries and has played a major role in
the political histories of nations 2 Mexico, Colombia, Guatemala, and Brazil. It was
traditionally developed as a colonial cash crop, 3 by serfs or wage laborers on large
plantations, and then exported to imperial countries. In its natural shaded habitat, coffee is a
sustainable crop. In the mid-20th century, 4 ,with the advent of the Green Revolution—
an agribusiness-oriented scheme that pressed high technology on traditional farmers—different
kinds of high-yielding coffee were pursued. In the 1970s, a well-known organization gave
over $ 80 million to coffee plantations in Latin America to “ modernize” — to strip coffee
of shaded trees and purchase chemical pesticides and fertilizers. This 5 to severe
environmental problems, including contamination of air and water through pesticide poisoning. 【題組】5. (A) have led (B) has been led (C) has led (D) has leading