问题 单项选择题

某投资人购买1股股票,同时出售该股票1股股票的看涨期权,这属于下列哪种投资策略( )。

A.保护性看跌期权
B.抛补看涨期权
C.多头对敲
D.空头对敲

答案

参考答案:B

解析: 购入1股股票,同时购入该股票的1股看跌期权,称为保护性看跌期权;抛补看涨期权即股票加空头看涨期权组合,是指购买1股股票,同时出售该股票1股股票的看涨期权;多头对敲是同时买进一只股票的看涨期权和看跌期权,它们的执行价格、到期日都相同;空头对敲是同时卖出一只股票的看涨期权和看跌期权,它们的执行价格、到期日都相同。

阅读理解

ABOUT LIPITOR
Lipitor(阿伐他汀钙片) is a prescription medicine. Along with diet and exercise, it lowers “bad” cholesterol(胆固醇) in your blood. It can also raise “good” cholesterol.
Lipitor can lower the risk of heart attack in patients with several common risk factors, including family history of early heart disease, high blood pressure, age and smoking.
WHO IS LIPITOR FOR?
Who can take LIPITOR:
●People who cannot lower their cholesterol enough with diet and exercise
●Adults and children over 10
Who should not take LIPITOR:
●Women who are pregnant, may be pregnant, or may become pregnant. Lipitor may harm your unborn baby.
●Women who are breast-feeding. Lipitor can pass into your breast milk and may harm your baby.
●People with liver(肝脏) problems
POSSIBIE SIDE EFFECTS OF LIPITOR
Serious side effects in a small number of people:
●Muscle(肌肉) problems that can lead to kidney(肾脏) problems, including kidney failure
●liver problems. Your doctor may do blood tests to check your liver before you start Lipitor and while you are taking it.
Call your doctor right away if you have:
●Unexplained muscle pain or weakness, especially if you have a fever or feel very tired
●Swelling of the face, lips, tongue, and / or throat that may cause difficulty in breathing or swallowing
●Stomach pain
Some common side effects of LIPITOR are:
●Muscle pain
●Upset stomach
●Changes in some blood tests
HOW TO TAKE LIPITOR
Do:
●Take Lipitor as prescribed by your doctor,
●Try to eat heart healthy foods while you take Lipitor.
●Take Lipitor at any time of day, with or without food.
●If you miss a dose(一剂),take it as soon as you remember.
But if it has been more than 12 hours since your missed dose, wait. Take the next dose at your regular time.
Don’t:
●Do not change or stop your dose before talking to your doctor.
●Do not start new medicines before talking to your doctor.
小题1:What is a major function of Lipitor?
A.To help quit smoking.B.To control blood pressure.
C.To improve unhealthy diet.D.To lower “bad” cholesterol.
小题2:Taking Lipitor is helpful for_________.
A.breast-feeding womenB.women who are pregnant
C.adults having heart diseaseD.teenagers with liver problems
小题3:If it has been over 12 hours since you missed a dose, you should__________.
A.change the amount of your next dose
B.eat more when taking your next dose
C.have a dose as soon as you remember
D.take the next dose at your regular time
小题4:Which of the following is a common side effect of taking Lipitor?
A.Face swelling.B.Upset stomach.
C.Kidney failure.D.Muscle weakness
多项选择题