These days no car show is complete without an electric car, and the 2011 North American International Auto Show in Detroit, US, which ran from January 10 to 23, was no exception.
Among the fully electric vehicles on display were the Ford Focus Electric and the Honda Fit EV. BMW and Volvo also had prominent displays at the show, proving that they can produce practical, yet spacious family-oriented electric cars.
Industry insiders at the show claimed that more efficient batteries, improved performance and greater consumer acceptance could make 2011 the “year of el
ectric car”.
It’s long been clear that electric cars score heavily for convenience. They are, for instance, much easier to maintain than gasoline-powered cars. When the battery runs out, you simply replace it or recharge it, just like you would for a cell phone or a laptop.
This is also a much cheaper method than filling your tank with gasoline. Better yet, electric cars don’t emit exhaust fumes. As a result, they don’t produce environmentally damaging greenhouse gases.
It appears that improved technology is making electric cars and their maintenance much more user-friendly. So, what are the obstacles which are preventing electric cars from becoming popular and fashionable?
Home charging for electric cars could be extremely convenient for users. However, it is also a potential obstacle. For a start, installing charging stations in owners’ homes will be a challenge, particularly for those who have to park several blocks away from their homes.
Also, charging the car’s battery still takes quite a long time. It may be some time yet before you can recharge an electric car in the same time as you can refill your gas tank.
Another problem is that many electric vehicles have limited ranges that may only allow for journeys of 50 miles (80 km) or less between charges. In cases where a driver wishes to charge the car primarily at home (perhaps overnight), this limits their daily driving to the range of their vehicle.
This may be one reason why hybrid cars are now becoming more popular. A hybrid car has more than one energy source, usually a traditional gasoline fuel tank and an electric battery. It’s like a more practical version of an electric car: It’s greener than a conventional vehicle, with fewer CO2 emissions, yet it also doubles as a conventional vehicle.
“I would say that hybrid is a transition to fully electronic,” Road and Track magazine editor Richard Horman told Detroit News during the show. “The trend is for lighter, smarter, more economical cars. Of course
, electronic vehicles are meant to be that way.”
This sounds promising, particularly in light of the fact that the show featured more electric cars from big manufacturers than ever before.
However, it seems that the technology associated with electric cars is not yet able to fully meet people’s expectations. Don’t expect gasoline-powered cars to disappear from roads just yet. What made electric cars more convenient?
| A．Easier maintenance. | B．High scores on the show. |
| C．Practicality and large space. | D．Much lower prices. |
Which of the following could NOT act as a potential obstacle of electric cars?
| A．It is rough work to install charging stations at home. |
| B．It is time-consuming to charge the batteries. |
| C．The ranges between charges are limited. |
| D．There’s no need to fill the tank with petrol. |
In Paragraph 10, the underlined word “hybrid” is probably closest in meaning to ________.
| A．gasoline | B．electric | C．combined | D．separated |
The writer’s purpose in writing this passage is to_________.
| A．introduce the 2011 Auto Show in US | B．get readers informed of electric cars |
| C．comment on different types of cars | D．advertise for electric cars |
Since we are social beings, the quality of our lives depends in large measure on our interpersonal relationships. One strength of the human condition is our possibility to give and receive support from one another under stressful conditions. Social support makes up of the exchange of resources among people based on their interpersonal ties. Those of us with strong support systems appear better able to deal with major life changes and daily problems. People with strong social ties live longer and have better health than those without such ties. Studies over types of illnesses, from depression(沮丧) to heart disease, show that the presence of social support helps people defend themselves against illness, and the absence of such support makes poor health more likely.
Social support cushions stress in a number of ways. First, friends, relatives and co-workers may let us know that they value us. Our self-respect is strengthened when we feel accepted by others in spite of our faults and difficulties. Second, other people often provide us with informational support. They help us to define and understand our problems and find solutions to them. Third, we typically find social companionship supportive. Taking part in free-time activities with others helps us to meet our social needs while at the same time distracting (转移注意力) us from our worries and troubles. Finally, other people may give us instrumental support money aid, material resources, and needed services - that reduces stress by helping us resolve and deal with our problems. Interpersonal relationships are important because they can ________
| A．make people live more easily | B．smooth away daily problems |
| C．deal with life changes | D．cure types of illnesses |
Which of the following is closest in meaning to the underlined word "cushions"?
| A．takes place of | B．makes up of |
| C．lessens the effect of | D．gets rid of |
What is the subject discussed in the text?
| A．Interpersonal relationships. | B．Kinds of social support. |
| C．Ways to deal with stress. | D．Effects of stressful condition. |
What will people die of 100 years from now? If you think that is a simple question, you have not been paying attention to the revolution that is taking place in bio-technology(生物技术). With the help of new medicine, the human body will last a very long time. Death will come mainly from accidents, murder and war. Today's leading killers, such as heart diseases, cancer, and aging itself, will become distant memory.
In discussion of technological changes, the Internet gets most of the attention these days. But the change in medicine can be the real technological event of our times. How long can humans live? Human brains were known to decide the final death. Cells(细胞) are the basic units of all living things, and until recently, scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cells, such as those of brain cells, would not last forever. But the upper limits will be broken by new medicine. Sometime between 2050 and 2100, medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs(器官). The medicine, made up of the basic building materials of life, will build new brain cells, heart cells, and so on---in much the same way our bodies make new skin cells to take the place of old ones.
It is exciting to imagine that the advance in technology may be changing the most basic conditional human existence, but many technical problems still must be cleared up on the way to this wonderful future. According to the passage, human death is now mainly caused by _______.
| A．diseases and aging | B．accidents and war |
| C．accidents and aging | D．heart diseases and war |
In the author's opinion, today's most important advance in technology lies in _____.
| A．medicine | B．the internet | C．brain cells | D．human organs |
Humans may live longer in the future because ______.
| A．heart disease will be far away from us |
| B．human brains can decide the final death |
| C．the basic materials of cells will last forever |
| D．human organs can be repaired by new medicine |
All of my childhood and early, adult life, my mom weighed over 220 pounds (one pound =" 0.454" kilograms). I could feel the pain that my mom experienced with her fatness.
I was never uncomfortable about my mother, but I think she was uncomfortable about herself, and that feeling was painful for all of us. And she began to lose weight.
After more than twenty years of battling obesity（肥胖）, my mother completed a forceful eighteen-month diet that left her ninety pounds lighter than before. A new woman was born! At age twenty-eight, I got a new mom! For the first time, I met the woman my mother truly was, the beautiful little lady under the fatness. It wasn’t so much her new body that was the surprise, but rather her new spirit.
To celebrate her new size and to devote herself to dancing again, my mother joined a “Mrs. Forty-Plus” competition, where she would have to model, give a speech and provide a dance performance. She told our family that she did not care if she won — she simply had always wanted to perform on stage.
She told each one of us, “I’m not doing it to win; I’m doing it to dance!”
The competition was exciting! I prayed(祈祷) that my mom would win, but while watching her on stage I was simply overjoyed just by her effort. To me, she had already won. She posed to perfection, her speech brought tears to everyone’s eyes, and her performance was wonderful.
That night, at age fifty-three, my mother was crowned (为......加冕) “Mrs. Forty-Plus”. She was the first person in our family to ever win such a title. The first two paragraphs mainly show that the author’s mom was __________.
| A．experienced | B．painful | C．comfortable | D．fat |
After the author’s mom completed a forceful eighteen-month diet, she was about ______.
| A．85 kilograms | B．41 kilograms |
| C．130 pounds | D．90 pounds |
In order to join in the “Mrs. Forty-Plus” Competition, the author’s mom has to do the following EXCEPT __________.
| A．providing a dance performance |
| B．telling a funny story about herself |
| C．giving a speech to a large number of people |
| D．wearing special clothes to show to people |
The underlined part in Paragraph 6 means that __________.
| A．the author’s mom succeeded in modeling and speaking |
| B．the author’s mom’s performance was very wonderful |
| C．the author’s mom was not successful in modeling |
| D．the author’s mom succeeded in making a speech |
The deserts of the world are not all covered with sand. Many of them have surfaces of rock or clay or small stones. They are not flat, either. They often have high hills and deep valleys. There is some plants’ life in many parts of the desert. There is little rain in the desert, but it does fall often enough for most plants.
The deserts of the world are not uninhabited(not lived by people). People also live outside oases(绿洲), but these people are not farmers. They have camels, goats, donkeys, sheep, etc. These animals can live on the desert plants and do not need much water.
The people of the desert have to move constantly from place to place, they must always look for grass or desert plants for their animals. They usually live in tents. When there is no more food for their animals, they fold up their tents, pat them on their camels and donkeys, and move to another place. In good years, when there is enough food for their animals, they trade their skins and their goats and camel hairs with the people of oases for wheat and fruit. But in bad years, when there is not enough food for their animals, the people of the desert would attack the oases people. But they are also hospitable, no man in the desert would ever refuse to give a stranger food and water.According to the passage, deserts are mostly made up of _______.
| A．clay | B．rock | C．sand | D．stones |
The underlined word “hospitable” has the meaning of being _______.
| A．brave | B．cruel | C．strange | D．kind |
In the desert _______.
| A．it rains in spring only |
| B．it rains for a short time every month |
| C．there is some rain, but far from enough |
| D．the rainfall is just enough for the plants |
People live _______.
| A．only inside the oases | B．only outside the oases |
| C．both inside and outside the oases | D．in places with regular rainfalls |
From the passage we know that life _______.
| A．is hard in deserts | B．is happy in deserts |
| C．is impossible in deserts | D．in deserts is much better now |
In a new article, Zehr, a professor at the University of Victoria, Victoria, British Columbia, describes his success in using the Caped Crusader (披篷骑士) to engage students in the study of physiology.
"Batman (蝙蝠侠) has such powerful influence on readers because he is a fictional human with superpowers that seem within reach if we only work at it," writes Zehr, in a new article published in Advances in Physiology Education, a journal of the American Physiological Society. Zehr believes that it is not Batman's vast wealth that allows him to protect the citizens of Gotham City (哥谭市) , but his dedication to developing a wide range of physical skills.
Zehr uses Batman to establish a framework, grounded in his fictional universe as well as our real one, in order to discuss the various components of exercise and physical training and illustrate how the body's physiological systems respond. His experiences in teaching undergraduate courses in physiology and neurophysiology made him realize that connecting science to popular culture helped students understand the lessons better.
He first presented a formal analysis of the personal and physical discipline that would be required to transform an ordinary person into a superhero in his book, Becoming Batman: The Possibility of a Superhero. The book drew on Zehr's understanding and work in human movement and the plasticity of nerves and muscles associated with exercise. By coincidence, the book was published in the wake of The Dark Knight, the blockbuster movie which recounts Batman and his arch-enemy, the Joker.
With the casting almost complete for the sequel(续集), The Dark Knight Rises, Dr. Zehr writes about his experiences connecting science to popular culture, which is captured in the Advances, article, "A Personal View: From Claude Bernard to the Batcave and Beyond: Using Batman as a hook for physiology education."In Zehr's opinion, what makes Batman be able to defend his citizens?
| A．his large amount of fortune | B．his devotion to developing varieties of physical skills |
| C．his habit of wearing a cape | D．his developing so wide range of magic power |
Which one of the following statements is TRUE according to the third paragraph?
| A．Students of physiology and neurophysiology should have more physical training |
| B．To become a batman needs developing a wide range of physical skills |
| C．Only Batman can illustrate the respond of the body’s physiological system |
| D．combining science with popular culture can be beneficial to students’ study |
To help students study physiology well, Dr.Zehr uses Batman to do the following EXCEPT___
| A．set up his theoretical principles of teaching physiology |
| B．discuss the different components of physical training |
| C．illustrate the ways of body’s physiology system responding |
| D．perform many physiology experiments on the body movement |
.According to the book Becoming Batman, what does the possibility of becoming a superhero mainly lie on?
| A．Dr. Zehr’s formal analyses of the body's movement rules |
| B．the flexibility of nerves and muscles when being trained well |
| C．the physical training conducted by Dr. Zehr |
| D．the final influence of Batman on one person |
This passage is mainly about .
| A．Batman’seducation significance in physiology | B．introduction to Zehr’ s books on physiology |
| C．how to become a superhero like Batman | D．Batman’s powerful effects on the readers |