消化性溃疡的实验室检测有（）
A.胃酸测定
B.幽门螺杆菌（Hp）
C.胃泌素
D.胃动素
E.以上均正确
参考答案：E
He is out of work now but he gets a good _____ from his investment.
A．wage
B．salary
C．earning
D．income
