Nanjing is not so large Shanghai however its the second city in East China.A. like; lar

问题补充：

Nanjing is not so large Shanghai, however, its the second city in East China.

A. like; largest

B. as; largest

C. like; larger

D. as; larger

答案：

A. like; largest

(答案→)B. as; largest

C. like; larger

D. as; larger

解析：句意：南京不如上海大，然而它是中国东部第二大城市。本题中第一空考查的是同级比较as…as 和…一样，在否定句中第一个as 可以用so;第二空考查序数词加形容词最高级的用法，表示第几…的。故选B。