The last river __ _ they crossed is two miles wide.
A.where
B.which
C.that
D.in which
答案:C
BillrothⅠ式胃大部切除术适用于()
A.十二指肠球部溃疡
B.胰源性溃疡
C.浅表性胃炎
D.胃窦部溃疡
E.胃窦癌