GRE阅读中的阅读考生如果粗心大意或者不够重视也有可能出现意外扣分情况，想要避免此类情况保证阅读得分，那就快来看GRE阅读高频机经原文及答案：胡蜂吃天牛！
GRE阅读高频机经原文及答案：胡蜂吃天牛
胡蜂吃天牛
Stem borers are insect pests that often ruin North American corn crops. On some other continents, crop damage by stem borers is controlled by a certain species of wasp. Since these wasps eat nothing but stem borers, importing them into North America will keep crop damage from stem borers under control without endangering other North American insect species.
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