However, sometimes a seemingly benign introduction creates environmental ________ and ecosystem despair.

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问题 However, sometimes a seemingly benign introduction creates environmental ________ and ecosystem despair.

选项 A、travesty
B、presage
C、posture
D、trauma

答案A

解析 本题考查名词辨析。presage意为“警示,预兆”;posture意为“姿势,态度”;trauma意为“创伤”,一般用于心理上。travesty意为“嘲弄”,它有“某事物本应该具备某种品质,但却没有,结果让人感到震惊或受到冒犯”的意思。本题中本来物种的引进是为了使环境变得更好,但根据despair可知结果并不好。并且,environmental和travesty的搭配与ecosystem和despair的搭配也相一致,由此推出,A项为答案。
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