【正文】 What hunger is all about.C.The functions of brain areas.D.The refusal of fat and sugar.B.The decrease of chemicals.It proves the brain decides your appetite.（3）What39。It means the stomach functions well.B.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. 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.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.clock and you39。 It39?！军c(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，詞義猜測(cè)，推理判斷和觀點(diǎn)態(tài)度四個(gè)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(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。根據(jù)短文中對(duì)這項(xiàng)老鼠實(shí)驗(yàn)的過程及其結(jié)果的介紹，用數(shù)據(jù)表示，可見作者對(duì)動(dòng)物研究的態(tài)度是很客觀的。故選A。根據(jù)第二段介紹一項(xiàng)動(dòng)物研究，具體的運(yùn)動(dòng)對(duì)身體的發(fā)育很重要，對(duì)于人類，它可能會(huì)推遲阿茲海默氏癥的出現(xiàn)。故選C。（2）考查推理判斷。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(duì)大腦終生有好處，至少對(duì)老鼠是這樣的。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(duì)實(shí)驗(yàn)鼠的實(shí)驗(yàn)，發(fā)現(xiàn)了動(dòng)物在年輕時(shí)運(yùn)動(dòng)越多，老年時(shí)的記憶力就越好。C.Objective.s attitude towards the animal study? A.D.Benefit.B.Exercise.D.By giving an example.C.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.s symptomsphysical activity can prevent human39。using the running wheels is of benefit to the rats39。physical activity is important for physical healthre 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。7．閱讀理解故選A。（3）考查細(xì)節(jié)理解。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。故選D。（1）考查細(xì)節(jié)理解。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(gè)精彩的Pamlico Sea Base.B.How to make a boat on your own（3）In which camp can kids climb walls inside on winter days? A.How to use the stars for directionsB.How to tell starboard from starlordD.It39。B.s coldest days.（1）What do we know about Tahosa High Adventure Base? A. Big upgrade: What happens when you change a 1907 cavalry drill hall (騎兵訓(xùn)練場) into an adventure destination in the heart of the city? You get Base Camp for overnight lockins, weekend retreats (隱居處) and summer camp.ll even practice finding your way using the stars.Base Campt know the difference between starboard and starlord, Pamlico39。 Go coastal: Explore the Carolina coast by boat. You choose the route, and Pamlico provides the equipment. Keep an eye out for wild horses, lighthouses and boatloads of fish.t 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 Base That39。t look down: When looking up at the stars, light pollution is your enemy. But Camp Raymond39。 Location: Parks, Arizonas 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! People puzzle: Tahosa39。 Summer is wonderful. Summer at one of the following awesome camps? Even more wonderful.Tahosa High Adventure BaseIt39?！军c(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷和目的意圖三個(gè)題型的考查，是一篇教育類閱讀，考生需要準(zhǔn)確掌握捕捉細(xì)節(jié)信息，并根據(jù)上下文進(jìn)行邏輯推理，選出正確答案。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。故選A。(3)考查目的意圖。根據(jù)第二段中的“I began my new life on a February morning. I sat down at my kitchen table at 7:30 am and made a resolution. Every day I would write until lunchtime. Then I would lie down on the floor for 20 minutes to rest my mind. After that, I would return to work for a few more hours.”可知，我們可以從第二段推斷出作者合理安排了他的生活。故選D。(1)考查細(xì)節(jié)理解。D.To show creativity needs energy and efforts.C.To make a parison between them and himself.D.It is never too old to learn.B.remained single（3）What does the author mainly intend to tell us in this passage? A.was too diligent to relax himselfB.led