科普知识类
第一部分 七年高考题荟萃
2011年高考题
1.（2011·陕西卷）d
ever since they were first put on the market in the early 1990s, gentically mondified (gm, 转基因) foods have been increasingly developed and marketed in many countries in the word,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 solutiorr?
despite what it promiises,gm technology actually has not increased the production potential of any corp. in fact
studies show that the most crown gm croo.
gm soybeans, has suffered reduced producti资源难易程度:★★★★★★★★★★★★★★★
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