19.40波系统波段指的是频率在那个范围的波（）A、192.1THz—196.0TH

利率的变化有可能使债券的投资者面临两种风险：价格风险和再投资风险。以下关于利率风险的描述不正确的是（）。

A.债券的价格与利率变化是呈反向变动的。当利率上升（下降）时，债券的价格便会下跌（上涨）

B.价格风险和再投资风险对于债券价格的影响是相同的

C.当利率下降的时候，债券的价格会上升，投资者的资本利得收入会增加，但是利息的再投资收益会下降

D.当利率上升时，债券的价格会下降，投资者的资本利得收入下降，但是利息的再投资收益会上升

试述移动平均线的特点。

阅读理解

     根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中的两项为多途选项.    

     Is there anything more important than health? I don't think so. "Health is the greatest wealth," wise

people say.     1  .

     If you have a headache, toothache, backache, or bad pain in the stomach, if you complain of a bad

cough, or if you suffer from high or low blood pressure, I think you go to the doctor.

     The doctor will examine your throat, test your blood pressure, take your temperature, sound your

heart and lungs, check your teeth or have your chest X-rayed.   2  . The only thing you have to do is to

follow his advice. 

       3  .

     An old gentleman came to see the doctor. The man was very ill. He told the doctor about his weakness, memory loss and serious problems with his heart and lungs. The doctor examined him and said there

was no medicine for his disease. He told his patient to go to a quiet place for a month and have a good

rest.   4  . In other words, the doctor advised him to follow the rule: "Eat at pleasure, drink with measure

and enjoy life as it is. " The doctor also said that if the man wanted to be well again, he shouldn't smoke

more than one cigarette a day.

     A month later the gentleman came into the doctor's office.    5   . He thanked the doctor and said tha

t he had never felt a healthier man.

     "But you know, doctor," he said, "it's not easy to begin smoking at my age"

A. He also advised him to eat a lot of meat, drink two glasses of red wine every day and take long walks.

B. You can't be good at your studies or work well when you are ill.

C. After that he will advise some treatment or some medicine.

D. All these will cost a lot of money.

E. He looked cheerful and happy.

F. He was more worried about his illness.

G. Speaking about doctor's advice, I can't help telling you a funny story.

乳癌淋巴转移的最早和最常见部位是

A．锁骨下淋巴结

B．锁骨上淋巴结

C．腋窝淋巴结

D．颈部淋巴结

E．胸骨旁淋巴结