胃癌的主要体征是（）
A.淋巴结肿大
B.血性腹水
C.伴癌综合征
D.腹部肿块
E.贫血
参考答案：D
Qian Xuesen is known as China's "father of space technology" and "king and rockets".
He died _____ October 21 at the age of 98. [ ]
A. in
B. on
C. at
D. of
由玄参、麦冬、犀角、金银花、黄连、生地黄、连翘、竹叶心、丹参组成的方剂是（）
A.仙方活命饮
B.凉膈散
C.普济消毒饮
D.犀角地黄汤
E.清营汤
