水上一线天大是()最有代表性的景点之一。
A.鼓浪屿
B.金湖
C.海坛
D.九鲤湖
参考答案:B
All the students were pleased to find the exam _____. [ ]
A. easily
B. easy
C. more easily
D. more easy
使单糖和还原性低聚糖呈红色的是( )
A.硝酸银试剂B.三苯四氮唑盐试剂C.苯胺-邻苯二甲酸试剂D.3,5-二羟基甲苯-盐酸试剂E.过碘酸加联苯胺