Ques:Article: What if I took that big jump on my bike?What's the worst thing that could happen if I go out at midnight?Should try smoking?The teen years can play out like a choose-your-own-adventure novel. Teenagers must act on an endless parade of choices.Some choices.including smoking.Come with serious consequences.As a result, adolescents often find themselves trapped between their impulsive tendencies(-Just try it!)and their newfound ability to make well-informed and logical choices(-Wait, maybe that's not such a good idea!). So what makes the teenager's brain so complex? What drives adolescents-more than any other age group-to sometimes make rash or questionable decisions? If you have ever thought that the choices teenagers make are all about exploring and pushing limits, _ . Experts Experts believe that this tendency marks a necessary period in teen development.The process helps prepare teenagers to confront the world on their own. It is something all humans have evolved to experience-yes, teens everywhere go through this exploratory period.Nor is it unique to people:Even laboratory mice experience a similar stage during their development. For example,laboratory experiments show that young mice stay close by their mothers for safety. As mice grow.their behavior does too."When they reach puberty,they're like,'I'm gonna start checking out how this environment looks without my mom,...explains Beatriz Luna,of the University of Pittsburgh. As a developmental cognitive neuroscientist,Luna studies those changes that occur in the brain as children develop into adults.She and other researchers are showing how the teen experience can lead to powerful advantages later in life.Take mice again:Young mice that explore most tend to live longest----that is,unless a cat eats them,Luna adds. Question: According to the text,the teenager who explores most wiIl Yes or no, is the answer "have advantages over others."?

Ans:Yes
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Ques:Article: The idea of being able to walk on water has long interested humans greatly. Sadly, biological facts prevent us ever accomplishing such a thing without artificial aid--we simply weigh too much, and all our mass pushes down through our relatively small feet, resulting in a lot of pressure that makes us sink. However, several types of animals can walk on water. One of the most interesting is the common basilisk. Basilicus, a lizard native to Central and South America. It can run across water for a distance of several meters, avoiding getting wet by rapidly hitting the water's surface with its feet. The lizard will take as many as 20 steps per second to keep moving forward. For humans to do this, we'd need huge feet that we could bring up to our ears in order to create adequate "hitting. " But fortunately there is an alternative: cornflour. By adding enough of this common thickening agent to water (and it does take a lot), you can create a "non-Newtonian" liquid that doesn't behave like normal water. Now, if the surface of the water is hit hard enough, particles in the water group together for a moment to make the surface hard. Move quickly enough and put enough force into each step, and you really can walk across the surface of an adequately thick liquid of cornflour. Fun though all this may sound, it's still rather messy and better read about in theory than carried out in practice, if you must do it, then keep the water wings handy in case you start to sink--and take a shower afterward! Question: What do we know about Basilicus from the passage? Yes or no, is the answer "It can run across water at a certain speed."?

Ans:No
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Ques:Article: In the Caucasus region of Russia, nearly 50 out of every 100,000 people live to celebrate their 100th birthday, and many don't stop at 100! By comparison, in America only 3 people in 100,000 reach 100. But these Russian old people aren't alone. The Pakistanis, who live high in the Himalaya Mountains, and the Ecuadorans of the Andes Mountains seem to share the secret of long life, too. These people remain healthy in body and spirit despite the passage of time. While many older persons in industrial societies become weak and ill in their 60s and 70s, some Caucasians aged 100 to 140, work in the fields beside their great-great-grandchildren. Even the idea of aging is foreign to them. When asked "at what age does youth end?"most of these old people had no answer. Several replied, "Well, perhaps at age 80." What accounts for this ability to survive to such old age, and to survive so well?First of all, hard physical work is a way of life for all of these long-lived people. They begin their long days of physical labor as children and never seem to stop. For example, Mr . Rustam Mamedov is 142 years of age. His wife is 116 years old. They have been married for 90 years. Mr. Mamedov has no intention of retiring from his life as a farmer. "Why?What else would I do?"he asks. All these people get healthful rewards from the environment in which they work. They all come from mountainous regions. They live and work at elevations of 1,660 to 1,000 meters above sea level. The air has less oxygen and is pollution-free. This reduced-oxygen environment makes the heart and blood vessel system stronger. Another factor that may contribute to the good health of these people is their isolation. To a great extent, they are separated from the pressures and worries of industrial society. Inherited factors also play some role. Most of the longest-lived people had parents and grandparents who also reached very old ages. Good family genes may, therefore, be one factor in living longer. Question: Which of the following factors isn't helpful to people's health and long life? Yes or no, is the answer "Stress and pressure."?

Ans:No
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Ques:Article: Henry Ford grew up on an un-electrified farm, and as a young man he followed Edison's career as the inventor became a national role model.Ford took a job at the Edison Illuminating Company working his way up to chief engineer. In 1896 Ford was thirty-three and, though still working for Edison Co.,he had created his first experimental automobile the Ford Quadricycle2 during his off-time. At an Edison company party in New York, Ford had his first chance to meet his hero Edison and was able to explain his new automobile to the great inventor. _ Young man, that's the thing! You have it! Your car is self-contained and carries its own power plant." Edison himself had been working on the idea, but had only been considering electricity as the power source, so the idea of a gas engine was a somewhat new one. The words comforted Ford greatly, who immediately set out building a second car which was to become the Model-T.6.The two men became f'ast friends and would go on camping trips together.When Edison later became limited to a wheelchair, Ford brought an extra one to his house so they could race.At the 50th anniversary of the invention of light-bulb, Ford honored Edison.When Edison spoke, he ended his speech directed at Ford:" As to Henry Ford, words fail to express my feelings.I can only say that he is my friend." Therefore it is no surprise that Ford wanted something to remember Edison by after he passed away in 1931. Once, Ford asked Thomas Edison's son Charles to sit by the dying inventor's bedside and hold a test tube next to his father's mouth to catch his final breath. Ford was a man with many strange behaviors( as was Edison)including some interest in reanimation and spiritualism and some say that he was attempting to catch Edison's soul as it escaped his body in hopes of later bringing the inventor back to life. The test tube itself didn't turn up until 1950 when it was listed in the Ford possessions after Clara Ford's passing away, and then lost again until 1978 when it was discovered in an exhibit... Question: The 61ast breath' test tube" can probably be regarded as _ . Yes or no, is the answer "a symbol of a friendship and memory"?

Ans:
No
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