Smoking does great harm to our health.（） i

⊙O₁的半径是2cm，⊙₂的半径是5cm，圆心距是4cm，则两圆的位置关系为______．

男，38岁。溃疡病反复发作5年。本次胃镜检查十二指肠球部A2期溃疡，HP检测阳性。治疗上应选择（）

A.法莫替丁

B.奥美拉唑

C.De～Nol

D.含PPI三联

E.含铋剂三联

The put-call parity relation can be adjusted for dividend payments on a stock by which of the following methods（）

A. Add the present value of the expected dividend payments to the current stock price.

B. Subtract the present value of the expected dividend payments from the exercise price.

C. Subtract the present value of the expected dividend payments from the current stock price.

下面程序段执行结果为（ ）。　　x=Iht(Rnd()+4)　　Select Case x　　　Case 5　　　　　Print"excellent"　　　Case 4　　　　　Print"good"　　　Case 3　　　　　Print"paSS"　　　Case Else　　　　　Print "fail"　　End Select

A．0 0

B．1 1

C．2 2

D．1 2