不能诊断现症幽门螺杆菌感染的是()。
A.13C或14C呼气试验
B.血清幽门螺杆菌抗体测定
C.快速尿素酶试验
D.粪便幽门螺杆菌抗原检测
E.组织病理学检测
参考答案:B
—I didn’t go to the Museum yesterday.
—Yes, but I would rather you there too.
A.went
B.had been
C.should go
D.would have gone
什么是环状集气管网?