2009-11-25 所属栏目:阅读理解

　　理工类A级试卷押中题目——阅读理解：
　　第二篇 Listening to Birdsong
　　A male zebra finch chirps away to himself. Suddenly he notices a female bird, nearby: He realizes he has an audience and

2009-11-25 所属栏目:阅读理解

　　理工类C级试卷押中题目——阅读理解：
　　第一篇 Light Night, Dark Stars
　　Thousands of people around the globe step outside to gaze at their night sky. On a clear night, with no clouds, moonlig

2009-11-25 所属栏目:阅读理解

　　理工类B级试卷押中题目——阅读理解：
　　第二篇 Mind-reading Machine
　　A team of researchers in California has developed a way to predict what kinds of objects people are looking at by scannin

2009-08-20 所属栏目:阅读理解

　　Ford Abandons Electric
　　VehiclesThe Ford motor company’s abandonment of electric cars effectively signals the end of the road for the technology，analysts say.
　　General Motors。and Honda

2009-08-20 所属栏目:阅读理解

　　Adaptation of Living Things
　　Certain animals and plants develop characteristics that help them cope with their environment better than others of their kind. This natural biological process is

2009-08-19 所属栏目:阅读理解

　　Medical Journals
　　Medical journals are publications that report medical information to physicians and other health professionals.
　　In the past，these journals were available only in print.

2009-08-17 所属栏目:阅读理解

　　Snow Ranger
　　The two things – snow and mountains – which are needed for a ski area are the two things that cause avalanches,large mass of snow and ice crushing down the side of a mountain—o

2009-08-17 所属栏目:阅读理解

　　Snow Ranger
　　The two things – snow and mountains – which are needed for a ski area are the two things that cause avalanches,large mass of snow and ice crushing down the side of a mountain—o

2009-08-14 所属栏目:阅读理解

　　Storms Sink Ships
　　Rescuers have found the bodies of over 130 people killed in two ferry disasters in Bangladesh.The accidents happened during a storm that hit the country on April 21.Hundreds

2009-08-14 所属栏目:阅读理解

　　Electric BackpackBackpacks are convenient. They can hold your books, your lunch, and a change of clothes, leaving your hands free to do other things. Someday, if you don't mind carrying a heavy l

2009-08-13 所属栏目:阅读理解

　 Light Night, Dark StarsThousands of people around the globe step outside to gaze at their night sky. On a clear night, with no clouds, moonlight, or artificial lights to block the view, people can

2009-08-13 所属栏目:阅读理解

　　Endangered SpeciesEndangered species are plants and animals that are in immediate danger of extinction. Extinction is actually a normal process in the course of evolution. Since the formation of t

2009-08-12 所属栏目:阅读理解

　　How Americans See Themselves
　　Americans do not usually see themselves, whenthey are in the United States, as representatives of their country. They seethemselves as individuals who are differe

2009-08-12 所属栏目:阅读理解

　　Ford Abandons Electric Vehicles
　　The Ford motor company’s abandonment of electric cars effectively signals the end of the road for the technology, analysts say.
　　General Motors and Honda

2009-08-12 所属栏目:阅读理解

　　Hair Detectives
　　Scientists have found a way to use hair to figure out where a person is from and where that person has been. The finding could help solve crimes, among other useful applicatio

2009-08-11 所属栏目:阅读理解

　　Thirst for OilWerldwide every day，we devour the energyequivalent of about 200 million barrels of Oil.MoHt of the energy on Earth comes from the Sun.In fact enough energy from the Sun hits the pla

2009-08-11 所属栏目:阅读理解

　　Plant Gas
　　Scientists have been studying natural sources of methane for decades but hadn’t regarded plants as a producer，notes Frank Keppler，a geochem[st at the Max Planck Institute for Nu

2009-08-11 所属栏目:阅读理解

　　Explorer of the Extreme Deep
　　Oceans cover more than two-thirds of our planet. Yet，just a small fraction of the undcrwaler world has been uxplored. Now，Scientists at the Woods Hole1 Oceanog

2009-07-31 所属栏目:阅读理解

　　Insomnia
　　Insomnia is the inability to sleep restfully. It is a problem to nearly everyone at some time. A person may be awake for an hour in the middle of the night and then, next morning, f

2009-07-31 所属栏目:阅读理解

　 Listening Device Provides Landslide Early WarningA device that provides earlywarning of a landslide by monitoring vibrations in soil is being tested by UKresearchers. The device could save thousand

2009-07-31 所属栏目:阅读理解

　　Mind-reading Machine
　　A team of researchers in California has developed a way to predict what kinds of objects people are looking at by scanning what's happening in their brains.
　　When y

2009-07-28 所属栏目:阅读理解

　　下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案涂在答题卡相应的位置上。
　　Most-Favored-Nation Treatment
　　A tax pla

2009-07-28 所属栏目:阅读理解

　 Clone Farm
　 Factory farming could soon enter a new era of mass production. Companies in the US are developing the technology needed to “clone” chickens on a massive scale. Once a chicken with

2009-07-28 所属栏目:阅读理解

　　Putting Plants to Work 　　Using the power of the sun is nothing new. People have had solar-powered calculators and buildings with solar panels for decades. But plants are the real experts: They'v

2009-07-27 所属栏目:阅读理解

　　Invisibility RingScientists can’t yet make an invisibility cloak1 like the one that Harry Potter2 uses.But，for the first time，they’ve constructed a simple cloaking device that makes itself and