建议只要求新颖、有（），有一定的可行性即可，而不必很具体，很周密，富有（）。
参考答案：针对性；可操作性
I received an invitation to dinner from my friend,and with my work________,I gladly accepted it. [ ]
A. was finished
B. finishing
C. having finished
D. finished
液体分散相以细小液滴分散在另一不相混溶介质中形成乳浊液的过程称为( )
A．增溶B．乳化C．助溶D．润湿E．潜溶
