唐朝陶器以“唐三彩”最为著名，多为黄、绿、紫三色，造型逼真，釉色艳丽。 ( )
参考答案：错
Playing QQ’s “Happy Farm” by planting, watering, fertilizing, spraying, harvesting and selling of virtual vegetables, fruits and flowers, we can find out ________ all the excitement is about.
A．that
B．if
C．what
D．when
具有激肽样作用的补体裂解片段是（）
A.C2a
B.C3a
C.C4b
D.C3b
E.C5a
