单选题:There has been an increase in__________number of people look 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: There has been an increase in__________number of people lookingfor__________work. A./;the B.the;the C.the;/ D.a;the 参考答案: 答案解析:
Who is the college girl mentioned in the talk? Who is the college girl mentioned in the talk?A.Thespeaker herself. B.The speake 分类:公共英语二级 题型:单选题 查看答案
Who is going to deal with the problem? Who is going to deal with the problem?A.Thehotel manager. B.A room attendant. C. 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.极性吸附B.分子筛C.氢键吸附D.解离度E.吸附和分子筛大孔吸附树脂法的分离原理是 根据以下内容回答题A.极性吸附B.分子筛C.氢键吸附D.解离度E.吸附和分子筛大孔吸附树脂法的分离原理是 分类:公共英语二级 题型:单选题 查看答案
由下列五种化合物组成的混合物的乙醚溶液用5%NaHCO3溶液萃取,主要可得到 由下列五种化合物组成的混合物的乙醚溶液用5%NaHCO3溶液萃取,主要可得到A.大黄酚 B.大黄酸 C.大黄素 D.大黄素甲醚 E.芦荟大黄素 分类:公共英语二级 题型:单选题 查看答案