問題詳情

(6) Science and technology play a crucial role in our life. One example can be found in afundamental aspect of daily life, and that is the food we eat. In the past decade, there hasbeen scientific endeavor in modifying the genetic 54 of our foods, the concept behind55 is often referred to as GM foods, or genetically modified foods. Now, why do scientiststry to make changes to the DNA of foods? First of all, doing so can boost a plant’s resistance toviruses or diseases and in turn increase the plant’s survivability. Moreover, modifying the genesof a plant can help protect it 56 the pesticides sprayed on it to kill insects. But the mainmotive behind GM foods is to control the growing time of a plant before harvesting it. On thewhole, all of this is done 57 increasing crop yields and profits for farmers and other foodproducers. Advocates argue that GM foods do not pose any more threat to people’s healththan normal foods, while skeptics feel that we have yet to fully understand the effects they arehaving. 58 viewpoint may be true, we ought to be cautious with foods we eat every day.
54.
(A) compassion
(B) comparison
(C) combination
(D) composition

參考答案

答案:D
難度:非常困難0.166667
統計:A(0),B(0),C(3),D(1),E(0)

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