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问题 单项选择题

男性，46岁。足趾黑痣破溃入院。3个月前患者右足趾底原有黑痣显著增大，色素加深，3天前破溃。首先考虑的诊断是（）

A.恶性黑色素瘤

B.基底细胞癌

C.鳞状细胞癌

D.葡萄酒色斑

E.玫瑰糠疹

答案

参考答案：A

解析：原有的黑痣迅速扩大，颜色加深，并出现表面破溃，是恶性黑色素瘤的临床表现。

阅读理解
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 smoking·
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 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 stal-t 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.
小题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
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判断题

研磨圆柱表面时，工件和研具之间必须相对作旋转运动的同时，还应作轴向运动。
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