Directions: Read the following three passages., Each passage is followed by several questions or unfinished statements. For each of them there are four choices marked A, B,C and D. Choose the one that fits best according to the information given in the passage.
L1PITOR

ABOUT   LIPITOR   Lipitor 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 smokin9·

WHO   IS LIPITOR FOR? Who   can take LIPITOR： ．People who cannot lower their   cholesterol enough with diet and exercise ·Adults   and children over l0 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

POSSIBLE   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 fired ．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 ifit 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 stal-t new medicines before talking to your doctor．

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.

2．	Taking Lipitor is helpful for A． breast-feeding women B． women who are pregnant C． adults having heart disease D． teenagers with liver problems

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

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.

5．	What is the main purpose of the passage? A． To teach patients ways for quick recovery. B． To present a report on a scientific research. C． To show the importance of a good lifestyle. D． To give information about a kind of medicine.