2. 外语
  3. The European Union had approved a number of genetically modified crops until late 1998. But grow public 【S1】______ c

The European Union had approved a number of genetically modified crops until late 1998. But grow public 【S1】______ c

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问题     The European Union had approved a number of
genetically modified crops until late 1998. But grow public             【S1】______
concern over their supposed environmental and health risks led
several EU country to demand a moratorium (暂时禁止)                    【S2】______
on imports of any new GM produce (转基因农产品).
For late 1999 there were enough such countries to block any             【S3】______
new approvals of GM produce. Last year, America filed a complaint
at the WTO about the moratorium, without arguing that                   【S4】______
it was an illegal trade barrier because there is no scientific
base for it. As more studies have been completed on the                 【S5】______
effects of GM crops, the greens’ case for them has weakened.            【S6】______
Much evidence has emerged of health risks from eating them.             【S7】______
And, overall, the studies have shown that the environmental
effects on modified crops are not always as serious as the              【S8】______
greens claim. Nevertheless, environmentalists continue to find
fault of such studies and argue that they are inconclusive.             【S9】______
    While Americans seem happy enough to consume food
made from GM crops, opinion polls continue to show that
European consumers dislike the idea. Europeans seem be taking           【S10】______
the attitude which , since there remains the slightest
possibility of adverse consequences and since it is clear
how they, as consumers, benefit from GM crops, they
would rather not run the risk.
【S5】
选项
答案base→basis
解析 易混词错误。本句意为：“因为没有科学根据支持暂停(进口)”，it指the moratorium；base“基础，基地，根据地”；basis(for)“基础，基本，根据”；科学根据只能说scientific basis。有人把base后面的for改为on，应该是受到了base on这个短语的影响。
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