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教甄◆英文-國小題庫下載題庫

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76-80) When you hear someone bubbling enthusiastically about an exotic species, you can safety bet the speaker isn’t an ecologist. This is a name for a resident of an established community that was deliberately or accidentally moved from its home range and became established elsewhere. Unlike most imports, which can’t take hold outside their home range, an exotic species permanently insinuates itself into a new community. Sometimes the additions are harmless and even have beneficial effects. More often, they make native species endangered species, which by definition are extremely vulnerable to extinction. Of all species on the rare or endangered lists or that recently became extinct, close to 70 percent owe their precarious existence or demise to displacement by exotic species.
【題組】79. What might the author mention next?
(A) Examples of exotic species to cause problems.
(B) Illustrations of the ecological differences in some places.
(C) The reasons why certain exotic species exist.
(D) Solutions to the problems that exotic species cause.


答案:A
難度: 適中

10
 【站僕】摩檸Morning:有沒有達人來解釋一下?
倒數 4天 ,已有 1 則答案
Michelle 高三下 (2021/04/18):

後半段提到

More often, they make native species 原生物種 endangered species 瀕危物種 , which by definition are extremely vulnerable 脆弱的易受影響的 to extinction滅絕.

=通常外來物種將導致原生物種變成瀕危物種,瀕危物種意思是極其容易受影響而滅絕的物種。


Of all species on the rare or endangered lists 稀有或瀕危物種 or that recently became extinct 近期滅絕的, close to 70 percent owe their precarious existence or demise 存在岌岌可危或消亡 to displacement by exotic species被外來物種取代.

*owe ...to 歸因於、歸功於

=所有稀有或瀕危物種、近期滅絕的物種,將近70%的比例都是起因於被外來物種取而代之。


講了外來物種的災害多嚴重,接下來該舉例子了,選A

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76-80) When you hear someone bubbling e..-阿摩線上測驗