第8题: [单项选择]It's ten years since the scientist ______on his life's work of discovering the valuable chemical element. A. made for B. set out C. took off D. turned up 参考答案:B 答案解析:[考点] 短语动词辨析 make for“走向,促成”;set out“动身,开始,摆放;阐明,陈述”;take off“脱下,起飞,匆匆离开”;turn up “开大,调大;出现,来到”。
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