（）站是广州地铁三号线站点。
A、农讲所
B、海珠广场
C、珠江新城
D、官洲
参考答案：C
It is very kind _____ you to help me with my lessons. It is difficult _____me to learn them well.
A．of , of
B． for , of
C．of , for
D．for , for
指出不属于疳积上目的病因（）
A.多食辛辣之品
B.饮食不节
C.喂养不当
D.食有偏好
E.久病虚羸
