第1题: [单项选择]{{B}} Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. To make the couple happy. B. To make the couple richer. C. To make the marriage legal. D. To express our best wishes to the couple. 参考答案:D
第32题: [多项选择]自动物胆汁中提取游离胆汁酸的方法可选用 A. 鲜动物胆汁用数倍乙醇回流提取,提取液加盐酸酸化,滤取沉淀 B. 鲜动物胆汁加固体氢氧化钠加热后,过滤,滤液加盐酸酸化,滤取沉淀 C. 鲜动物胆汁加盐酸酸化,滤取沉淀 D. 鲜动物胆汁加水稀释,静置后滤取沉淀 E. 鲜动物胆汁加盐酸酸化,滤取沉淀物,加氢氧化钠溶液加热后过滤,滤液加盐酸酸化,滤取沉淀 参考答案:B,D