All we need     a small piece of land where we can plant various kinds of fruit trees throughout the growing seasons of the year.

A． are

B．was

C．is

D．were

按病因学黄疸可分为（）

A.肝细胞性黄疸

B.先天性非溶血性黄疸

C.溶血性黄疸

D.胆汁淤积性黄疸

E.药物性黄疸