小海穴在
参考答案:B
_______ a bottle of cola, a hamburger and some hot dogs on the table.[ ]
A. There are
B. There is
C. There have
D. There has
糖精钠易溶解在什么溶剂中()
A.乙醚
B.苯
C.盐酸稀溶液
D.水
E.乙醇