【单选题】Nurse Hannah is teaching a group of middle-aged men about peptic ulcers. When discussing risk factors for peptic ulcers, the nurse should mention:
A.
a sedentary lifestyle and smoking.
B.
a history of hemorrhoids and smoking.
C.
alcohol abuse and a history of acute renal failure.
【单选题】5 The 27 member EU negotiates trade agreements as one. The EU and Brazil have negotiated a strategic trade alliance which is an example of a ________.