2011年大学英语六级改错模拟练习题55
The European Union had approved a number ofgenetically modified crops until late 1998. But growing
public concern over its supposed environmental and health ___1___
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 country to block any approvals ___2___
of GM produce. Last year, America filed a complaint at the
WTO about the moratorium, argue that it was an illegal ___3___
trade barrier because there was no scientific base for it. ___4___
As more studies have been completed on the effects of
GM crops, the greens’ case against them has weakened.
Much evidence has emerged of health risks from eating them. ___5___
And, overall, the studies have shown that the environmental
effects on modified crops are not always as serious as the ___6___
greens claim.. Nevertheless, environmentalists continue to find
fault of such studies and argue that they are inconclusive. ___7___
While Americans seem to be happy enough consume ___8___
food made from GM crops, opinion polls continue to show
that European consumers dislike the idea. Europeans seem to
be taking the attitude which, since there remains the slightest ___9___
possibility of adverse consequences and since it is clear how ___10___
they, as consumers, benefit from GM crops, they would rather
not run the risk.
答案及解析:
1. its -%26gt; their
此处的代词指代的是前面的genetically modified crops（转基因农作物）为复数，所以要改为their。
2. country -%26gt; countries
such country是指前面要求暂停进口转基因农产品的一些欧盟国家，是复数，所以要改为countries。
3. argue -%26gt; arguing
整句话的谓语是上行的filed。在英语里，一个句子不能在没有连词的情况下有多个谓语，所以此处要将argue改为arguing，用现在分词作状语
4. base -%26gt; 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”。此处还应该注意不能受base on（基于）这个短语的影响而将for改为on。
5. Much -%26gt; Little
根据后一句the studies have shown that the environmental effects of modified crops are not always as serious as the greens claim可知，并没有什么证据表明吃转基因农作物有损健康，所以要把Much改为Little。
6. on -%26gt; of
本句的意思是：“研究表明，改良后的农作物对环境造成的后果并没有像环保主义者所称的那样严重。”effect on意为“对…有影响”，effect of意为“….的后果（影响）”，所以应该将on改为of。
7. of -%26gt; with
find fault with是固定搭配，意为“批评，挑剔，对…吹毛求疵”。
8. consume前加to
此处是be happy to do，意为“很高兴做…，很满意做…”。
9. which -%26gt; that
这里take the attitude that…是同位语从句，中间since there……from GM crops是插入成分，真正的的同位语句子是后面的they would rather not run the risk.
10. clear -%26gt; unclear或clear前加not
since 前面的and表示前后语意一致，本句要表达的意思是：“因为欧洲人觉得仍存在使用转基因食物的不良后果，且作为消费者，他们如何从转基因食物中获利也不清楚，所以他们不愿意冒风险。
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