When the spaceship traveled above, _____ new-looking earth appeared before us, ____ earth that

 we had never seen before. [ ]

A. the; the

B. a; an

C. an; the

D. the ;an

功能解毒除湿，善治梅毒的药物是（）

A.马齿苋

B.大血藤

C.重楼

D.土茯苓

E.拳参