【正文】 A.B.Tahosa High Adventure Base.【答案】（1）D（2）C（3）A 【解析】【分析】本文是一篇應(yīng)用文，介紹了四個精彩的故選D。（3）考查細(xì)節(jié)理解。7．閱讀理解physical activity is important for physical healthphysical activity can prevent human39。the more exercise a rat has when young,the better memory it will possess when older（2）How are Paragraph 3 and 4 mainly developed? A.Exercise.D.C.Doubtful.【答案】（1）D（2）C（3）A（4）B 【解析】【分析】本文是一篇說明文，通過對實驗鼠的實驗，發(fā)現(xiàn)了動物在年輕時運動越多，老年時的記憶力就越好。（2）考查推理判斷。根據(jù)第二段介紹一項動物研究，具體的運動對身體的發(fā)育很重要，對于人類，它可能會推遲阿茲海默氏癥的出現(xiàn)。根據(jù)短文中對這項老鼠實驗的過程及其結(jié)果的介紹，用數(shù)據(jù)表示，可見作者對動物研究的態(tài)度是很客觀的。clock and you39。 A craving is more plex. It activates (使活躍) brain areas related to emotion, memory and reward. These are the same areas of the brain activated during drugcraving studies. So, some scientists call food cravings “mind hunger.” People often crave foods that are high in fat and sugar. Foods that are high in fat or high in sugar produce chemicals in the brain. These chemicals give us feelings of pleasure.B.It proves the brain decides your appetite.（3）What39。B.The functions of brain areas.What hunger is all about.C.D.The refusal of fat and sugar.The decrease of chemicals.It means the stomach functions well.To lead to the topic of the whole passage.（2）What do we learn about food craving? A.To deepen the understanding of hunger.C. So, the next time you crave something very specific, know that your brain may be more to blame than your stomach. （1）What is the function of the first paragraph? A.t. Here is another situation. Perhaps you are not feeling well. The only thing you want to eat is a big bowl of chicken soup, like your mom used to make when you were sick as a child. Food cravings are a strong desire for a specific type of food. And they are normal. It39。【點評】本題考點涉及細(xì)節(jié)理解，詞義猜測，推理判斷和觀點態(tài)度四個題型的考查，是一篇科普類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進一步根據(jù)上下文的邏輯關(guān)系，進行分析，推理，概括和歸納，從而選出正確答案。故選A。故選C。根據(jù)第一段中的“Exercise early in life seems to have lifelong benefits for the brain, in rats at least.”可知，鍛煉對大腦終生有好處，至少對老鼠是這樣的。Objective.s attitude towards the animal study? A.Benefit.B.D.By giving an example.C.s symptomsusing the running wheels is of benefit to the rats39。re young,at least for rats,has influence on brain and cognitive health—in the form of better memories—when we39。t remember which one was those that had been able to run in their youth froze 40 to 50 percent less in both changed box settings. Two weeks later,the team tested the rats in three situations: exactly the same box in the same room,the same box with the room arranged differently,and a pletely different box in a different room. Wojtowicz39。 This is an animal study,but it shows that physical activity at a young age is very important一not just for physical development,but for the whole lifelong track of cognitive（認(rèn)知的）development during ageing,says Martin Wojtowicz of the University of Toronto,Canada.In humans,it may delay the appearance of Alzheimer39。故選A。根據(jù)Pamlico Sea Base部分中的“Set sail: Even if you don’t know the difference between starboard and starlord, Pamlico’s sailing journey will make you a firstrate sailor in no time. You’ll even practice finding your way using the stars.”可知，在Pamlico Sea Base你能學(xué)到如何使用星星來指引方向。（1）考查細(xì)節(jié)理解。Pamlico Sea Base.How to use the stars for directionsHow to tell starboard from starlordIt39。ll even practice finding your way using the stars.Base Campt forget your camera and a jacket. During the day, you could spot bears and deer. At night, temperatures can fall sharply. Hot cocoa at summer camp? Cool.Pamlico Sea Bases best. Use your hands, feet and brains to take up highflying challenges and overe your fears. Fly fishing at 9,000 feet? Yes. Fishing licenses or experience needed? No, sir! Summer is wonderful. Summer at one of the following awesome camps? Even more wonderful.Tahosa High Adventure BaseIt39。根據(jù)最后一段中的“Sometimes genius (天才) is just the thing that es out after 20 years of working at your kitchen. Also, doing something truly creative requires the energy of youth. Orson Welles made his masterpiece, Citizen Kan, at 25. T. S. Eliot wrote The Love Song of J. Afred Prufrock at 23.”可知，作者引用Orson Welles and T. S. Eliot的例子是為了要表現(xiàn)出創(chuàng)造力需要能量和努力。(3)考查目的意圖。故選D。D.To make a parison between them and himself.It is never too old to learn.remained single（3）What does the author mainly intend to tell us in this passage? A.B.Straight after graduation from law school.C. Sometimes genius (天才) is just the thing that es out after 20 years of working at your kitchen. Also, doing something truly creative requires the energy of youth. Orson Welles made his masterpiece, Citizen Kan, at 25. T. S. Eliot wrote The Love Song of J. Afred Prufrock at 23.（1）When did the author decide to devote himself to writing fictions? A. In my first year, I sold two stories. Then I wrote a novel, but I thought it wasn39。根據(jù)最后一段中的“About 58% of international students in the US e from Asia.”可知，在美國，亞洲學(xué)生占外國學(xué)生的很大一部分。（3）考查細(xì)節(jié)理解。（2）考查推理判斷。D.There were 6,400 American students studying in China in 2005.Argentina.B.D.They expect to get more teaching and research help.B.Changed.s a world out there,” he said. American college students are being more adventuresome as they study abroad, showing less interests in Englishspeaking destinations such as Great Britain and Australia and more in such countries as China, India, Argentina and Brazil. 【點評】本題考點涉及細(xì)節(jié)理解和推理判斷兩個題型的考查，是一篇新聞報道，考生需要準(zhǔn)確掌握細(xì)節(jié)信息，并根據(jù)上下文進行邏輯推理，從而選出正確答案。 （3）考查細(xì)節(jié)理解。 （2）考查細(xì)節(jié)理解。根據(jù)第一段中的“Scientists have discovered a ‘monster black hole’ so massive that, in theory, it shouldn39。t have been formed from the collapse of one star. discovery may lead to