55.What does the underlined word “dispersion” probably mean?

　　A. connection

　　B. separation

　　C. communication

　　D. immigration

　　56. The purpose of the passage is to

　　·

　　A. attract more people to enjoy Chinese food

　　B. make people know more about Chinese food

　　C. introduce a popular TV program

　　D. deal with some social problems

　　【参考答案】54—56 DBC

　　阅读理解

　　阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。

　　Ever since they were first put on the market in the early 1990s, genetically modified (GM, 转基因) foods have been increasingly developed and marketed in many countries in the world，mainly on the basis of their promise to end the worldwide food crisis. But can GM technology solve world hunger problems? Even if it would，is it the best solution?

　　Despite what it promises，GM

　　technology actually has not increased the production potential(潜力)of any crop. In fact studies show that the most widely grown GM crop, GM soybeans, has suffered reduced productivity. For instance, a report that analysed nearly two decades of research on major GM food crops shows that GM engineering has failed to significantly increase US crop production.

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