试题 试卷
题型：单选题 题类：常考题 难易度：普通
牛津版（深圳·广州）2018-2019学年初中英语八年级下册Unit 8自主检测
—No, thanks. I'm not thirsty at all.
—He's a great _______ in the field of modern science.
— How terrible! We should try our best to protect the ___________.
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