某男，33岁，心悸1周就诊。动态心电图检查如下图A、B、C所示。

图A应诊断为

A:窦性心动过速 B:窦性心动过速，一度房室传导阻滞 C:房性心动过速，一度房室传导阻滞 D:窦性心动过速，二度Ⅰ型房室传导阻滞 E:窦性心动过速，二度Ⅱ型房室传导阻滞

某男，33岁，心悸1周就诊。动态心电图检查如下图A、B、C所示。

图B应诊断为

A:房性心动过速 B:窦性心动过速，一度房室传导阻滞 C:房性心动过速，一度房室传导阻滞 D:交界性心动过速 E:房性心动过速，二度Ⅰ型房室传导阻滞

Virtual Driver

     Driving involves sharp eyes and keen ears, analyzing with a brain, and coordination between hands, feet and brain. A man has sharp eyes and keen ears, analyzes through his brain, and maintains coordination between his hands and brains. He can control a fast-moving car with different parts of his body. _____(1)_____ Apparently there isn"t anyone in the driver"s cab, but there is in fact a virtual driver¹. This virtual driver has eyes, brains, hands and feet too. The minicameras on each side of the car are its eyes and are responsible for observing the road conditions ahead of it as well as the traffic to its left and right. If you open the boot, you can see the most important part of the automatic driving system: a built-in computer. _____(2)_____ The brain of the car is responsible for calculating the speeds objects surrounding the car are moving at², analyzing their position on the road, choosing the right path, and giving orders to the wheel and the control system.

    In comparison with the human brain, the virtual driver"s best advantage is that it reacts quickly. _____(3)_____ However, it takes the world"s best racecar driver at least one second to react, and this doesn"t include the time he needs to take action.

With its rapid reaction and accurate control, the virtual driver can reduce the accident rate on expressways considerably. In this case, is it possible for us to let it have the wheel³ at any time and in any place? _____(4)_____ With its limited ability to recognize things, the car can now only travel on expressways.

    The intelligent car determines its direction by the clear lines that mark the lanes clearly and recognizes vehicles according to their regular shapes. _____(5)_____ This being the case⁴, people still have high hopes about driverless cars, and think highly intelligent cars are what the cars of the future should be like⁵.

词汇：

virtual /"və: tʃuəl/ adj．虚拟的

built-in adj．嵌入的

coordination / kəu,ɔ:di"neiʃən /n．协调，配合

racecar n．赛车

cab /kæb/ n．驾驶室

expressway /ik"spreswei/ n．高速公路

minicamera  n．小型照相机

driverless  adj．无驾驶员的

boot /bu:t/ n．（车身后部的）行李箱

注释：

1.    virtual driver：虚拟驾驶员

2.    The brain of the car is responsible for calculating the speeds objects surrounding the car are moving at…车的大脑负责计算汽车周围物体移动的速度。The brain of the car is responsible for calculating the speeds objects surrounding the car are moving at=The brain is responsible for calculating the speeds at which objects surrounding the car are moving。

3.    have the wheel：驾驶汽车

4.    This being the case：虽然情况是这样。This being the case是独立主格结构。

5.    …highly intelligent cars are what the cars of the future should be like．未来的汽车就应该是高度智能化的汽车。

练习：

A    Experts say that we cannot do that just yet.

B    In the near future, intelligent cars will be put into commercial operation.

C    This is the brain of the car.

D    But how does an intelligent car control itself?

E    It completes the processing of the images sent by the cameras within 100 milliseconds.

空1

A:A B:B C:C D:D E:E F:F

Obesity Causes Global Warming

    The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming.

    This conclusion comes from Sheldon Jacobson of the UniversityofIllinois, US, and a doctoral student, Laura McLay. Their study calculates how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year.  ____1____

    There has been calls for taxes on junk food² in recent years.  ____2____"We tax cigarettes partly because of their health cost," Schmidt said. "Similarly, leading a lazy life style will end up costing taxpayers more."

    US political scientist Eric Oliver said his first instinct was to laugh at these gas and fast food arguments. But such claims are getting attention.

    At the US Obesity Society"s annual meeting, one person correlated obesity with car accident deaths, and another correlated obesity with suicides.  ____3____"The funny thing was that everyone took it seriously." Oliver said.

    In a 1960s study, children were shown drawings of children with disabilities and without them, and a drawing of an obese child. They were asked which they would want for a friend?  ____4____

    Three researchers recently repeated the study using college students. Once again, almost no one, not even obese people, liked the obese person. "Obesity was stigmatized." the researchers said.

    But, researchers say, getting thin is not like quitting smoking. People struggle to stop smoking, and, in the end, many succeed. Obesity is different. But, not because obese people don"t care.  ____5____Genes also play a part.

词汇：

obese / ə(ʊ)"biːs / adj．肥胖的

correlate / "kɒrəleɪt; -rɪ- /v．与……相联系

stigmatize / "stiɡmətaiz / v．侮辱

haul / hɔːl /v．运输

stigma / "stɪgmə / n．坏名声

注释：

1．carbon dioxide：二氧化碳

2．junk food：垃圾食品

3．cause-and-effect relationship：因果关系

练习：

A　A meager diet may keep you thin.

B　It means an extra 11 million tons of carbon¹ dioxide.

C　The obese child was picked last.

D　US economist Martin Schmidt suggests a tax on fast food delivered to people"s cars.

E　Science has shown that they have limited personal control over their weight.

F　No one asked whether there was really a cause-and-effect relationship³.

空1

A:A B:B C:C D:D E:E F:F

The Value of Motherhood

    In shopping malls, the assistants try to push you into buying "a gift to thank her for her unselfish love". When you log onto¹ a website, a small pop-up² invites you to book a bouquet for her. Commercial warmth and gratitude are the atmosphere being spread around for this special Sunday in May.

     ____1____The popularity of Mother"s Day around the world suggests that Jarvis got all she wanted. In fact, she got more一enough to make her horrified.

    ____2____They buy, among other things, 132 million cards. Mother"s Day is the No 1 holiday for flower purchases. Then there are the various commodities, ranging from jewelry and clothes to cosmetics and washing powder, that take advantage of the promotion opportunities. Because of this, Jarvis spent the last 40 years of her life trying to stop Mother"s Day. One protest against the commercialization of Mother"s Day even got her arrested-for disturbing the peace, interestingly.

    ____3____As Ralph Fevre, a reporter at the UKnewspaper The Guardian, observe, traditionally "motherhood is something that we do because we think it"s right." But in the logic of commercialism, people need something in exchange for their time and energy. A career serves this purpose better.

    ____4____So they work hard and play hard. Becoming a mother, however, inevitably handicaps career anticipation. 

    ____5____According to The Guardian, there are twice as many child-free young women as there were a generation ago. Or, they put off the responsibility of parenting until later in their lives.

    So, Fevre writes that the meaning of celebrating Mother"s Day needs to be updated: "It is to persuade people that parenting is a good idea and to honor people for their attempt to be good people."

词汇：

motherhood /"mʌðəhud/ n．母性

bouquet/ "bʊkeɪ / n．花束

website /"websait/n．网站

注释：

1．log onto：登录到。log onto a website：登录到一个网站

2．pop-up：弹出式菜单

…a small pop-up invites you to book a bouquet for her一张小的弹出式菜单要你为她订一束花。

练习：

A　The American version of Mother"s Day was thought up as early as 1905, by Anna Jarvis, as a way of recognizing the real value of motherhood.

B　But what"s more, commercialism changes young people"s attitude towards motherhood.

C　Obviously, the best gift will be a phone call or a visit.

D　According to a research by the US card company Hallmark,96 percent of American consumerscelebrate the holiday.

E　As a result, motherhood has suffered a huge drop in status since the 1950s.

F　In addition, women are being encouraged to pursue any career they desire.

空1

A:A B:B C:C D:D E:E F:F

Einstein Named "Person of the Century"

    Albert Einstein, whose theories on space time and matter helped unravel the secrets of the atom and of the universe, was chosen as "Person of the Century" by Time magazine on Sunday.

    A man whose very name is synonymous with scientific genius，Einstein has come to represent more than any other person the flowering of the 20th century scientific thought that set the stage for the age of technology.

    "The world has changed far more in the past 100 years than in any other century in history. The reason is not political or economic，but technological 一 technologies that flowed directly from advances in basic science. ” wrote theoretical physicist Stephen Hawking in a Time essay explaining Einstein"s significance ____1____    

    Time chose as runner-up President Franklin Roosevelt¹ to represent the triumph of freedom and democracy over fascism, and Mahatma Gandhi2 as an icon for a century when civil and human rights became crucial factors in global politics.

    "What we saw was Franklin Roosevelt embodying the great theme of freedom"s fight against totalitarianism, Gandhi personifying the great theme of individuals struggling for their rights, and Einstein being both a great genius and a great symbol of a scientific revolution that brought with it amazing technological advances that helped expand the growth of freedom. ” said Time Magazine Editor Walter Isaacson.

    Einstein was born in Ulm,Germanyin 1879. ____2____He was slow to learn to

speak and did not do well in elementary school. He could not stomach organized learning and loathed taking exams³ ？

    In 1905, however, he was to publish a theory which stands as one of the most intricate

examples of human imagination in history.   ____3____ Everything else — mass， weight, space, even time itself — is a variable. And he offered the world his now-famous equation ： energy equals mass times the speed of light squared — E = mc².

     ____4____  "There was less faith in absolutes, not only of time and space but also of truth and morality."

    Einstein"s famous equation was also the seed that led to the development of atomic energy and weapons. In 1939, six years after he fled European fascism and settled at Princeton University, Einstein，an avowed pacifist⁴，signed a letter to President Roosevelt urging the United States to develop an atomic bomb before Nazi Germany did. ____5____Einstein did not work on the project.

    Einstein died inPrinceton,New Jerseyin 1955.

词汇：

unravel / ʌn"rævl / vt.解开        

synonymous / sɪˈnɒnɪməs / adj.同义的

runner-up 亚军，第二名

icon /" "aɪkɒn / n.象征；图符

totalitarianism / təʊˌtælə"teərɪənɪzəm / n.极权主义

personify/ pə"sɒnɪfaɪ / vt.象征，体现

intricate / ˈɪntrɪkət / adj.复杂的

constant / "kɒnstənt / n.常量

variable / "kɒnstənt / n, 变量

equation / ɪˈkweʒən -ʃən / n.等式

注释：

1.President Franklin Roosevelt:美国第 32 任总统罗斯福（1882—1945)

2.Mahatma Gandhi:印度政治和精神领袖、改革家甘地(1869—1948)

3.He could not stomach organized learning and loathed taking exams.他无法忍受一切都安排得 死死的教学，讨厌考试。

4.avowed pacifist:公开承认的和平主义者

练习：

A "Indirectly, relativity paved the way for a new relativism in morality, art and politics. ” Isaacson wrote in an essay explaining Time"s choices.

B How he thought of the relativity theory influenced the general public"s view about Albert Einstein.

C ” Clearly, no scientist better represents those advances than Albert Einstein. ”

D Roosevelt heeded the advice and formed the "Manhattan Project" that secretly developed the first atomic weapon.

E In his early years, Einstein did not show the promise of what he was to become.

F In his “ Special Theory of Relativity ”，Einstein described how the only constant in the universe is the speed of light.

空1

A:A B:B C:C D:D E:E F:F

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