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  3. Genetically modified(GM) foods are foods derived from genetically modified organ

Genetically modified(GM) foods are foods derived from genetically modified organ

游客2023-10-26  31
问题 Genetically modified(GM) foods are foods derived from genetically modified organisms. Genetically modified organisms have had specific changes【C1】______into their DNA by genetic engineering techniques. GM foods were first put on the market in the early 1990s, but the European Union had not approved a number of genetically modified crops until late 1998. But【C2】______public concern over their supposed environmental and health risks led several EU countries to demand a moratorium (暂时禁止) on imports of any new GM produce. By late 1999 there were enough such countries to【C3】______any approvals of GM produce.
Last year, America【C4】______a complaint at the WTO about the moratorium, arguing that it was an illegal trade barrier because there was no scientific【C5】______ for it. As more studies have been completed on the effect of GM crops, the greens’ case against them has weakened. And【C6】______evidence has emerged of health risks from eating them. And, overall, the studies have shown that the environmental effects of modified crops are not always as serious as the greens claim. Nevertheless, environmentalists continue to find fault【C7】______such studies and argue that they are【C8】______.
While Americans seem to be happy enough to consume food made from GM crops, opinion polls continue to show that European consumers dislike the idea. Europeans seem to be taking the attitude that, since there remains the slightest possibility of【C9】______consequences and since it is unclear how they, as consumers, benefit from GM crops, they would rather not【C10】______the risk.
A. basis B. increasing C. growing D. block
E. filed F. much G. introduced H. base
I. little J. inconclusive K.in L. with
M. adverse N. run O. bar [br] 【C5】
选项
答案 A
解析 basis，词义辨析题。根据词性，此处应当填入名词。根据文意，此处表示科学依据，因此可选范围为“base，basis”。base意为“基础，基地”，basis(for)意为“基础，根据”，原句表达“科学根据”只能为scientific basis，而scientific base意为“科学基地”。
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