人体形成尿液的结构和功能的基本单位是( )
⑴ ____ A. I like Chinese.
⑵ ____ B. The turtle has four legs.
⑶ ____ C. The birthday cake is beautiful.
⑷ ____ D. This is my basketball.
⑸ ____ E. Touch your nose.
句型转换:(共20空,每空0.5分,满分10分)