伤寒最具特征性的病变部位在()
A.肠系膜淋巴结
B.肝、胆囊
C.结肠
D.回肠下段集合淋巴结与孤立淋巴滤泡
E.乙状结肠
参考答案:D
可保护胃黏膜、杀灭幽门螺杆菌的药物是()
A.枸橼酸铋钾
B.法莫替丁
C.吲哚美辛
D.硫糖铝
E.阿托品
Was it in 1969 ____ the American astronaut succeeded ____ landing on the moon?
A.when; on
B.that; on
C.that; in
D.when; in