問題詳情

請依下文回答第 41 題至第 45 題： Today, many foods are genetically engineered (GE). GE foods are an example of how science is trying to 41nature. Scientists use a special process to put new genetic information into a plant. 42 , the plant’s DNA, orgenetic code, changes. For instance, to protect a plant from a certain virus, scientists can put a gene into the plant tomake it more 43 to the virus. Such development seems positive. Why then has there been a worldwide negativereaction to GE foods? The answer is simple: genetically changed plants are 44 the same as the original ones. Think of somethinglike GE tomatoes. They may be larger and juicier, but they may contain DNA from plants such as nuts or even fromanimals such as fish. Opponents of GE foods say that the great 45 is for people allergic to substances such as nutsor fish. That tasty tomato could cause an allergic reaction—possibly even death for someone with severe allergies. Yeta person with allergies might never know that the tomato contained the substance.
41
(A)develop
(B)improve
(C)observe
(D)protect

參考答案

答案：B
難度：適中0.5
統計：A(1),B(4),C(1),D(2),E(0)

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