第9题: [单项选择]结合胆红素具有的特性是() A. 具有水溶性 B. 具有脂溶性 C. 具有水,脂溶性 D. 非极性 E. 不易在尿中出现 参考答案:A 答案解析:肝细胞对胆红素的转化在滑面内质网上进行,在胆红素一尿嘧啶核苷二磷酸葡萄糖醛酸转移酶的催化下,胆红素被转化为单、双葡萄糖醛酸结合胆红素,形成水溶性的结合胆红素
第20题: [单项选择]When they had finished playing, the children were made to ______ all the toys they had taken out. A. put off B. put up C. putout D. put away 参考答案:D 答案解析:put away放置好;put off推迟,延期;put up举起;put out熄灭,关掉。句意:孩子们被要求在玩完之后将所有拿出来的玩具都收起来。