单选题:What does the underlined word“Serengeti”in Paragraph 4refer 题目分类:公共英语二级 题目类型:单选题 查看权限:VIP 题目内容: What does the underlined word“Serengeti”in Paragraph 4refer to? A.Ahowl. B.A team. C.A plain. D.A lake. 参考答案: 答案解析:
根据以下内容回答题A.二萜类B.二蒽酮类C.二蒽醌类D.双糖类E.双黄酮类番泻苷A属于 根据以下内容回答题A.二萜类B.二蒽酮类C.二蒽醌类D.双糖类E.双黄酮类番泻苷A属于 分类:公共英语二级 题型:单选题 查看答案
For a long time,Fred watchedwith delight the water that was For a long time,Fred watchedwith delight the water that was running down the roc 分类:公共英语二级 题型:单选题 查看答案
What does Dr.Blake say aboutthe woman’s work? What does Dr.Blake say aboutthe woman’s work?A.It’sinteresting. B.It’s unimporta 分类:公共英语二级 题型:单选题 查看答案
根据以下内容回答题A.棕黑色沉淀B.橙红色沉淀C.砖红色沉淀D.棕黄色沉淀E.类白色沉淀氨性氯化锶检识槲皮素时,出现 根据以下内容回答题A.棕黑色沉淀B.橙红色沉淀C.砖红色沉淀D.棕黄色沉淀E.类白色沉淀氨性氯化锶检识槲皮素时,出现 分类:公共英语二级 题型:单选题 查看答案
7一羟基香豆素的1H—NMR谱中,母核上质子信号位于最高场的是 7一羟基香豆素的1H—NMR谱中,母核上质子信号位于最高场的是A.3-H B.4-H C.5-H D.6-H E.8-H 分类:公共英语二级 题型:单选题 查看答案