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男，47岁，反复咳脓痰7年，7年前一次感冒发热后出现胸痛、咳嗽、咳脓痰，使用抗菌、止咳化痰治疗后，体温下降，胸痛消失，但咳嗽、吐脓痰一直未好转，多因感冒后加重。

X线片下哪种改变有特征性诊断意义（）。

A.肺纹增粗

B.纤维空洞

C.纤维空洞并液平面

D.云雾状阴影

E.肺气肿征

答案

参考答案：C

阅读理解

E

Are you worried by the rising crime rate? If you are, then you probably know that your house, possessions and person are increasingly in danger of suffering from the great rise in the cases of burglary(入室行窃) and attack.

Figures indicate an ever- increasing crime rate but it is only too easy to imagine “it will never happen to me”. Unfortunately, numbers show that it really can happen to you and, if you live in a large city, you run twice the risk of being a victim(受害者).

Fortunately, there is something which you can do. Protect Alarms can help to protect your house with a burglar alarm system which is effective, simple to operate and easy to buy.

You must remember that possessing a burglar alarm is no indication that your house is filled with valuable possessions. It quite simply indicates to unwelcome visitors that yours is one house they will not break into easily so they carry on to an unprotected house where their job is made a lot easier.

Send now for our free leaflet(小册) telling you how we can Protect Alarm your house quickly, easily and cheaply. Complete and tear off the slip below and post it to us. Postage is free. Or telephone us on 327 6721 where we have a round-the-clock answering service, through which you can get the information any time you want. It costs nothing to find out about Protect Alarms.

72. It seems that people who live in large cities are ________.

A.more often sufferers than those living in other areas

B.of the opinion that numbers are wrong

C.twice as rich as people living in other areas

D.too poor to afford the protect system

73. The writers of this text want to give the impression that the PROTECT ALARMS system is _________.

A. free of charge      B. easy to use       C. complex       D. lasting

74. The article shows that having an alarm system will _______.

A.show burglars that you have something worth stealing

B.persuade burglars not to break into your house

C.make the burglar’s job less difficult

D.persuade burglars to try again another time.

75. In order to find out more information about this alarm system, one can _______.

A. buy a leaflet              B. write enclosing a stamped, addressed envelope

C. sign an agreement          D. phone at any time of day or night
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单项选择题

Texans have bursting pride and love attention. They also have a thick streak of shortsighted greed and, even by American standards, a busted disposition to violence. When they hear this sort of criticism they usually ascribe it to the ignorance and jealousy of stuffy Yankees who have not spent enough time in the state to understand it. For such avowedly robust people they are surprisingly sensitive. They hated Edna Ferber’’s novel Giant, which scourged Texan vulgarity, racism and the mores of millionaires, but they bought it in great quantities and packed cinemas to see the film. They would rather be talked about than not, and if you do not talk about them they do it for you.In claiming special qualities for themselves, Texans have had to become reconciled to the fact that a large number of them are not native. In the last century "Gone to Texas" was a commonplace graffito daubed on barns in other states, and in recent years "Gone to Texas" has, figuratively, been written on the front doors of millions of Americans and also Mexicans. In the early 1980s newcomers accounted for nearly two-thirds of the state’’s population increase. But Texans do not believe they are being diluted. They maintain that Texanhood, or Texianism, is a matter of attitude and that Texanic qualities exist in abundance in many Americans, regardless of their birthplace: it is when these people are planted in Texas, and nourished by its atmosphere, that they flower like true Texans. A man may not be born in Texas, which is unfortunate; but he can be born to be Texan.Many Alaskans are urban, young and raising families, here for a while, and trying to make money before moving to somewhere warmer. But many are staying. While most remain in Anchorage and other centers, some set out to build a cabin in the wilderness and live by hunting, trapping and fishing, learning how to skin a muskrat and moose, how to survive terrible weather, how to be truly in tune with the land, taking pleasure in great silence and unpeopled immensity. To settle the frontier the state has a homesteading program, based on the federal Homestead Act of 1864, which was a key event in the opening up of the American west. Hundreds of Alaskans are awarded parcels of wilderness land in an annual lottery and undertake to invest sweat equity, to build a home within three years and clear and cultivate the land within five. Alaskans love reading about Alaska, and two of the most popular books are a manual on log cabin building and a collection of tales about grizzly bears, of which Alaska is a phold. Log cabin life is for the stout-hearted few with the springs of adventure p in them, and these wilderness Alaskans are remarkable. Some are refugees of one kind or another. Several hundred are Vietnam veterans, tortured by their experiences of war and unable to fit into normal urban life, seeking solace in the wilds.

According to the author, Alaskans are characterized by their distinctive and unique way of life that________.

A．is embraced by both a p desire to make money and special qualities for enjoying peace

B．takes hunting, fishing and learning how to skin wild animals as their major activities

C．is made up of both the enjoyment of staying indoors and the exploration of and doing the wilderness

D．consists of both the love of themselves and the lust for wealth
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