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选D的直接证据:
原文第一段末尾
a biocontrol agent might reduce the benefits conferred by a desirable animal species by consuming a plant on which the animal prefers to lay its eggs.
和D做个对比:
Diminution of the positive effects conferred by a nontarget animal species
D的间接证据:
看第二段开头的another example of indirect negative consequences。看到another一定要注意,要想这说明作者把上一件事情也定义为indirect negative consequences,那上一件事情就非常可能是考点。
B说proliferation错,这里没有增长得。
ps:大家不要怕占地方,把原文按正式得格式贴出来,字大点大家看着方便。 |
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