【正文】 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 smile does not involve drugs. It is not invasive like a surgical operation. It is free and it has no bad side effects.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!由此推斷，消極會(huì)消耗我們身體的能量，降低對(duì)疾病的抵抗力。選C。D.Being negative drains energy from our body, lowering resistance to disease.（4）Which of the following is the best title of the passage? A.immune function and health As a result, our immune system evolved to run in maximum amounts when we39。根據(jù)最后一段中的“The objects recovered from the bottom of the sea likely came from the recent explosion for two main reasons.”可知，作者在最后一段是想給出支持猜測(cè)的理由。故選C。Give reasons to support a guess.C.B.Plenty of natural resources.D.To recover the rock particles.5．犇犇閱讀理解 （3）考查推理判斷。A report of the cooperation of scientists and actors.【答案】 （1）A（2）B（3）B（4）C 【解析】【分析】本文是一篇說(shuō)明文，介紹了一項(xiàng)對(duì)于演員大腦活動(dòng)的研究。He explained it.He supported it.By consulting some experienced researchers.（2）What is the finding of Dr Brown39。 The team said they also found additional reduction in activity in two regions of the prefrontal cortex (前額皮質(zhì)) linked to the sense of self, pared with when the actors were responding as themselves. Dr Steven Brown, from McMaster University in Canada, said, It looks like when you are acting, you are suppressing (壓制) yourself。 （3）考查推理判斷。Xin Xiaomeng s expressions vary so naturally that they are true to life【答案】 （1）B（2）A（3）D（4）C 【解析】【分析】本文是一篇說(shuō)明文，上周日，新華社新聞主播辛?xí)悦瘸蔀槭澜缟系谝晃慌匀斯ぶ悄苄侣勚鞑?，作者介紹了人工智能背后的技術(shù)，并指出在不久的將來(lái)，人工智能新聞主播不會(huì)取代人類(lèi)新聞主播。This technology is very perfect so farB. Both the technologies used to make Xin39。 News anchors(主播) must have been reluctant to read out the following news: Xin Xiaomeng began working as the world39。 （2）考查細(xì)節(jié)理解。 in miceB.a licensed vaccine will still not be accessible in a short term.D.based vaccines. Of course, future tests will need to check the vaccine is safe and effective in humans, as well as how long the immunity might last.（1）If the tests in humans go smoothly, such as pregnant women 173。 【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷和主旨大意三個(gè)題型的考查，是一篇科研類(lèi)閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，同時(shí)根據(jù)上下文進(jìn)行邏輯推理，概括歸納，從而選出正確答案。 （3）考查推理判斷。The Function of the Brain【答案】 （1）A（2）B（3）B（4）C 【解析】【分析】本文是一篇說(shuō)明文，介紹了為什么老年人會(huì)覺(jué)得時(shí)間過(guò)得較快，主要原因是隨著年齡的增長(zhǎng)，大腦中神經(jīng)元的變化讓老年人的大腦需要更多的時(shí)間來(lái)處理接收到的信息，這樣就會(huì)讓他們覺(jué)得時(shí)間過(guò)得較快。Less experience.（3）Why do the days seem longer earlier in life? A.More images.Aging brains.Longer days. Why does time seem to fly by faster as we get old? You39。Rapid fire abilities.（2）What is unavoidable in the process of getting old? A.B.C.D.The Older, the FasterD.故選B。C項(xiàng)正好與主旨句呼應(yīng)，故選C。 Tests in humans could begin in months. But even if these go well, a licensed vaccine for widespread use to protect those at most risk 173。 Researchers say they will push ahead with developing the needed virus vaccine. There are many existing vaccines for other disease that use this type of technology, while there are relatively few DNA173。pregnant women in Africa will be the first to benefit from the vaccine.C.works very well39。 would still be years away可知，但是，即使這些進(jìn)展順利，一種廣泛用于保護(hù)高危人群的授權(quán)疫苗仍需數(shù)年時(shí)間，也就是說(shuō)如果人體試驗(yàn)進(jìn)展順利的話，短期內(nèi)仍無(wú)法獲得授權(quán)疫苗，故選C。They could interact with audience.（3）What do we know about the third technology? A.t replace human news anchors in the near futureD. she reads it almost like a human being. The muscles on her face stretch and relaxand her reactions changeas she continues reading.可知，與以前的機(jī)器人主播不同的是，辛?xí)悦茸x起來(lái)不像一臺(tái)冷冰冰的機(jī)器，就像是一個(gè)活生生的人，她讀新聞的時(shí)候臉上的肌肉能夠伸展和放松，面部反應(yīng)也發(fā)生了變化，由此可知，以前的機(jī)器人主播讀新聞時(shí)面無(wú)表情，故選A。 Once inside the MRI scanner, the actors were asked to answer a number of questions, such as: would they go to the party? And would they tell their parents that they had fallen in love?By interviewing some theatre teachers.D. brain activity is more active when they are in character.（3）How did Philip Davis react to the research? A.C.A research on the brain activity of actors.D.由此可知Brown博士的研究發(fā)現(xiàn)，演員在表演時(shí)大腦活動(dòng)是不同的，故選B。 【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷和主旨大意三個(gè)題型的考查，是一篇科研類(lèi)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。 The objects recovered from the bottom of the sea likely came from the recent explosion for two main reasons. First, meteorite particles are basically made of glassy materials that do not tend to last long in seawater. Secondly, they came from what looked like a small hole on the seafloor. Some evidence shows that they came from something that fell.（1）What is the current goal of the crew of the Ocean Exploration Trust? A.Business value of meteors.C.They can find meteors more easily.Offer clues for the search.B.根據(jù)第二段中的“The group says its aim at present is to examine areas of the ocean that have never been explored before.”可知，the Ocean Exploration Trust的船員目前的目標(biāo)是研究海洋中未被探索的地方。 （4）考查推理判斷。s increased positive outlook. Our research took us in the fascinating direction of exploring how the body uses its energy.experiences and related knowledgehappiness and biological evolutionC.Realizing that their days are numbered, older people prefer being positive.D.由此可以推斷，免疫系統(tǒng)會(huì)暫時(shí)停止來(lái)為身體提供額外的能量。re not.可知當(dāng)我們快樂(lè)時(shí)，我們的免疫系統(tǒng)進(jìn)化到最大程度，但是當(dāng)我們不快樂(lè)時(shí)，免疫系統(tǒng)會(huì)減弱。 s main stress hormone. It increases sugar in the bloodstream. If you are truly in danger, these hormones can help you. They are part of what we call our fightorflight response. （1）考查細(xì)節(jié)理解。故選C。根據(jù)第二段中的“Dr. Chockalingam, a heart disease specialist in Columbia, advises his patients to smile. He says a smile may be one way to help your heart.”哥倫比亞的心臟病專(zhuān)家Chockalingam博士建議他的病人保持微笑。 s life.（2）Why did Andrew Kaplan agree to