题目

I was in the Sants Cruz Mountains not long ago, speaking and singing at a women’s conference. We were focusing on the theme of loving others in practical ways through our gifts, and something in particular happened during one of the sessions(会议)will remain imprinted in memory.A young Syrian woman (Lilith) was invited to the conference at the last minute, and everyone seemed surprised and delighted that she’d actually come. Just a few days earlier, Lilith had fled her country and found refuge with one of the women attending the conference. As an Orthodox Christian in Syria, she and 化学是一门以实验为基础的科学,掌握好化学实验基本操作是做好化学实验的前提。下列实验操作正确的是(       )   A.过滤时,漏斗的下端应紧贴烧杯内壁 B.给试管中的液体加热时,可以用手直接拿试管 C.蒸馏液体时,冷水应从冷凝管的上端进入 D.分液时,分液漏斗中的上层液体也可从漏斗下端流出
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