【題目】Because of human activities, many animals are d out.

【答案】dying
【解析】句意：因?yàn)槿祟惢顒?dòng)，很多動(dòng)物要滅絕了。die out滅絕，本句用現(xiàn)在進(jìn)行時(shí)表示將來時(shí)，故填dying
考查固定短語，時(shí)態(tài)和現(xiàn)在分詞的正確寫法。

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