【正文】 Dr. Chockalingam says a smile may be one way to help. He tells his patients to smile 20 times an hour. To some, that might seem like a lot of smiling. Or some might even feel foolish ... smiling for seemingly no reason. But a smil。 However, when we are stressed for a long period, these stress hormones are everpresent in our bodies. And that, medical researchers warn, may lead to health problems.When you feel stressed or under pressure, your body releases many natural hormones (荷爾蒙) including adrenaline and cortisol. Adrenaline increases your heart rate and blood pressure. Cortisol is the body39。 Experts note that an unhealthy lifestyle can put you at great risk of heart disease and stroke. So doctors urge us to eat healthy foods, get exercise, stop smoking and limit our alcohol intake. But there is something else you can do. And it is free and easy. Smile! 【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，詞義猜測(cè)和主旨大意三個(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。故B選項(xiàng)讓現(xiàn)代科技溫暖你的冬日符合題意。比如，用智能電子設(shè)備調(diào)節(jié)屋內(nèi)和衣物的溫度；使用無(wú)線科技制造會(huì)自動(dòng)發(fā)熱的服飾?，F(xiàn)如今，每到嚴(yán)冬時(shí)節(jié)，雖然溫度驟降、天氣惡劣，但隨著各類智能保暖產(chǎn)品的問(wèn)世，冬天也能變得舒適宜人。 （4）考查主旨大意。所以C選項(xiàng)科技無(wú)法讓冬天變得不那么難熬不符合短文說(shuō)明的內(nèi)容。t have to be so challenging any more. Technology, engine ring and design have advanced giving us new solutions to old problems可知，幸運(yùn)的是，事情不需要再這么有挑戰(zhàn)性了。 （3）考查細(xì)節(jié)理解。所以電子保暖服裝工作的原理是安裝在衣服內(nèi)部的電子元件產(chǎn)生熱量。 （2）考查細(xì)節(jié)理解。故判斷出第1段中帶下劃線的單詞bundle up是多穿點(diǎn)衣服。你外出時(shí)必須穿得暖和一點(diǎn)。 （1）考查詞義猜測(cè)。人們憑借科學(xué)技術(shù)發(fā)明了各式各樣的防寒方法。An unpleasant winter【答案】 （1）D（2）A（3）C（4）B 【解析】【分析】本文是一篇說(shuō)明文，在科技并不發(fā)達(dá)的過(guò)去，人們可能會(huì)為如何在嚴(yán)寒天氣里更好地保暖而倍感困擾。A Modern winterC.A Smart ThermostatBluetooth technology is used in the clothing for the head（4）What39。with the inbuilt speaker and microphone, Beanies and Earmuffs users can have a phone callC.Tado39。The thermostat heat up automatically when the temperature is low.D.The equipment placed inside the clothing produces heat.B.D.Run a lot.B.Fix an air conditioner.s no reason why winter can39。 For many, the thought of winter used to be enough to make their blood run cold. But using technology, life needn39。 Clothes have been given an upgrade, too. Electronic thermal jackets, sweaters and coats heat up when you turn them on. What better way to keep warm in the dead of winter? At the touch of a button, or through an app on our phones, the clothing generates heat from elements placed inside. Many models offer three levels of heating which stay warm for over 12 hours. .leans39。 With a smart thermostat (溫度自動(dòng)調(diào)節(jié)器), our homes can be warm when we need them to be. Many models feature smartphone apps that allow you to control temperature remotely, so we can warm up the house before we arrive home. According to , Tado39。t have to be so challenging any more. Technology, engine ring and design have advanced giving us new solutions to old problems. It means dealing with winter needn39。t get cold to the bone.d arrive home to an icecold house. And that would mean turning on the heating and waiting. It39。7．犇犇閱讀理解 You can purchase Bird Friendly certified coffees around the world and protect wildlife and habitat with every cup ”你能在全世界買Bird Friendly 認(rèn)證的咖啡，每杯都保護(hù)野生動(dòng)物和棲息地，故選C。 （4）考查推理判斷。根據(jù)第三段中的“ The wood and fruit trees on shade coffee farms provide farmers with additional ine.故選A。根據(jù)第二段中的“ 根據(jù)第一段中的“ In order to deal with severe population and habitat loss, Smithsonian scientists created the Bird Friendly certification. ”可知，科學(xué)家們重視咖啡生長(zhǎng)地的問(wèn)題，并以想出應(yīng)對(duì)辦法，故選D。Donate to coffee farmers.【答案】 （1）D（2）A（3）B（4）C 【解析】【分析】本文是一篇說(shuō)明文，為了應(yīng)對(duì)嚴(yán)重的遷徙鳥類的數(shù)量和棲息地?fù)p失，史密森尼的科學(xué)家創(chuàng)造了 the Bird Friendly certification 。Order coffee online.C.Consume less coffee.D.By selling fruits and wood from trees.C.They are grown on unpolluted land.（3）How can Bird Friendly farmers earn more money? A.They have a strange flavor.C.s a characteristic of Bird Friendly coffees? A.Farmers have been aware of environment protection.D.One fourth of them have destroyed forest habitat for birds.B. Buying Bird Friendly supports the Smithsonian Migratory Bird Center39。 Bird Friendly coffees are shadegrown, meaning the coffee is planted under trees, rather than on the land that has been cleared of all other plants. Coffee experts say shadegrown coffees taste better, because the beans ripen slower than coffee grown in the full sun, resulting in a richer, more plex flavor. Bird Friendly certified coffees grow under biodiverse shade that provides habitat for migratory songbirds and other wildlife, stores carbon and fights climate change. Bird Friendly coffees are also certified organic, meaning they are grown without pesticides, which is better for people and for the planet. Threequarters of the world39。 【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解和推理判斷兩個(gè)題型的考查，是一篇科研類閱讀，考生需要準(zhǔn)確掌握細(xì)節(jié)信息，并根據(jù)上下文進(jìn)行邏輯推理，從而選出正確答案。縱觀全文可知，是一項(xiàng)科學(xué)研究，介紹了如何預(yù)測(cè)你的記憶喪失是否是老年癡呆癥,正如所料，老年癡呆癥患者的葡萄糖吸收降低，故選B。 （3）考查細(xì)節(jié)理解。根據(jù)第二段中的“ The fact that you recognize your own forgetfulness may be a very good sign, at least in terms of the possibility of your developing Alzheimer39。但現(xiàn)實(shí)是，有這樣的時(shí)候，健忘不再有趣，而且看起來(lái)有點(diǎn)可怕，可推知選A。 ”在二十多歲的時(shí)候，當(dāng)我們記不起鄰居的貓的名字或是主演一部著名電影的英俊演員時(shí)，我們覺得很有趣。s cat39。In our twenties, we find it funny when we can39。 （1）考查推理判斷。D.C.B.Expected increase in brain function.（4）From which is the text probably taken? A.Reduced uptake of glucose.C. forgetfulness.s disease? A.Realizing forgetfulness must be a sign of developing Alzheimer39。t mean developing Alzheimer39。s disease.C.Being aware all the time is a fearful thing.B.It39。Old people are most afraid of getting Alzheimer39。People can be forgetful at different ages.B.s disease is a damaged awareness of illness. And they wanted to prove their theory that the lack of awareness can be used to predict whether someone with mild cognitive（認(rèn)知的）damage will progress to fullon AD. For the study, mild cognitive damage was defined as someone whose mental state was considered healthy but who had either plained of memory l