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题型：翻译 题类：常考题 难易度：普通
人教版（新课程标准）高中英语必修五Unit 1 Great scientists基础练习
The teacher that we some words to enlarge our vocabulary.
{#blank#}1{#/blank#} {#blank#}2{#/blank#} in, they can result in illness or even death.
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