【題目】Thousands of (science) think the weather led to the disappearance of dinosaurs.

【答案】scientists
【解析】句意:成千上萬(wàn)的科學(xué)家認(rèn)為天氣導(dǎo)致恐龍的滅絕。science名詞,科學(xué);scientist名詞,科學(xué)家。 故填:scientists。

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