【文章內(nèi)容簡介】 【分析】本文是一篇說明文，介紹了科學家發(fā)現(xiàn)一種實驗性疫苗可以保護小鼠免受寨卡病毒侵襲。 （1）考查細節(jié)理解。根據(jù)第二段中的But even if these go well, a licensed vaccine for widespread use to protect those at most risk 173。 such as pregnant women 173。 would still be years away可知，但是，即使這些進展順利，一種廣泛用于保護高危人群的授權(quán)疫苗仍需數(shù)年時間，也就是說如果人體試驗進展順利的話，短期內(nèi)仍無法獲得授權(quán)疫苗，故選C。 （2）考查細節(jié)理解。根據(jù)第三段中的US scientists from the Walter Reed Army Institute of Research, the Beth Israel Deaconess Medical Center and Harvard Medical School tested two types of Zika vaccine in mice可知，美國科學家在白鼠身上只測試了兩種而不是兩種以上的寨卡病毒，故選B。 （3）考查主旨大意。根據(jù)第一段中的A single dose(劑量) of an experimental vaccine(疫苗) can protect mice against the Zika(寨卡) virus,可知，一種實驗性疫苗可以保護小鼠免受寨卡病毒侵襲，由此可知，本文主要介紹的是寨卡病毒疫苗對小白鼠非常有效，故選A。 【點評】本題考點涉及細節(jié)理解和主旨大意兩個題型的考查，是一篇科研類閱讀，考生需要準確掌握細節(jié)信息，同時根據(jù)上下文進行推理，歸納，從而選出正確答案。4．閱讀理解 A new study suggests a link between exposure to greenery and reduced desires for alcohol cigarette and junk food. The study is the first to investigate the possible relationships between exposure to nature and desires and negative emotions. Researchers at the University of Plymouth39。s School of Psychology surveyed 149 respondents (應(yīng)答者) aged 21 o 65 about the proportion( 比例 )of green space in their neighborhood, the presence of green views from their home, their access to a garden and how often they use public green space. The study also asked questions about experiences with depression and anxiety, as well as desires for things like caffeine, alcohol and nicotine. Participants rated the intensity( 強度), imagery, and intrusiveness(侵擾性) of their desires on an 11point scale. Researchers found the presence of visible green space contributed to decreased desires for junk food. The effect was particularly noticeable when more than 25 percent of a respondent39。s view was greenery. Previous scholarship(學術(shù)研究) has dealt mostly with exercise in nature: A 2015 study out of the University of Michigan found 90 minute group nature walks were effective at batting depression and relieving other mood disorders. But for people who struggle with accessibility or don39。t have time for a 90minute walk, this new study suggests just looking out a window at a tree can help fight off a bad habit. It has been known for some time that being outdoors in nature is linked to a person39。s wellbeing, lead author Leanne Martin said in a statement. But for there to be a similar association with desires from simply being able to see green space adds a new dimension to the previous research. A 2018 study from Denmark39。s Aarhus University for example, found that. Having access to green space throughout childhood decreased a person39。s risk of developing mental health problems as an adult.（1）What does the second paragraph mainly talk about? results of the new study. purpose of the new study. significance of the new study. content of the new study.（2）What does the underlined word batting in paragraph 4 probably mean? ...（3）According to the passage, the new study _____. referred to exercise in nature enriched the previous research to some degree carried out by the University of Michigan exposure to greenery helped cure mental problems（4）n which section of a newspaper may this passage appear? World amp。Science【答案】 （1）D（2）A（3）B（4）C 【解析】【分析】本文是一篇說明文，介紹了一項新的研究成果多看綠色植物和吃垃圾食品這兩者看似風馬牛不相及，可研究結(jié)構(gòu)卻表明它們之間存在著一種奇妙的關(guān)系：多看綠色植物能幫助人們克制吃垃圾食品的欲望。 （1）考查段落大意。根據(jù)第二段中的“Researchers …surveyed 149 respondents aged 21 o 65 about the proportion of green space in their neighborhood…”研究人員調(diào)查了年齡在21~65歲之間的149名參與者小區(qū)內(nèi)的綠植比例……；以及“The study also asked questions about experiences with depression and anxiety…”研究中還問了與抑郁及焦慮有關(guān)的問題……等可知，第二段主要介紹了新研究的調(diào)查內(nèi)容，故選D。 （2）考查詞義猜測。根據(jù)常識可知，在大自然中散步對人體有各種各樣的好處，再結(jié)合句中出現(xiàn)的“relieving other mood disorders(緩解其他情緒紊亂)”不難推斷出， batting depression應(yīng)表示“減輕抑郁”。故選A。 （3）考查細節(jié)理解。根據(jù)倒數(shù)第二段中的“…adds a new dimension(方面) to the previous research”為以前的研究增加了新的方面，可知，新的研究在某種程度上豐富了之前的研究成果。故選B。 （4）考查推理判斷?？v觀全文可知，本文介紹了一項科學研究的研究成果，所以該文章最有可能出現(xiàn)在“技術(shù)與科學”版塊。故選C。 【點評】本題考點涉及細節(jié)理解，詞義猜測，推理判斷和段落大意四個題型的考查，是一篇科研類閱讀，要求考生在捕捉細節(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。5．閱讀理解 In 1953, a mountain climber reported seeing a barheaded goose soar over the peak of Mount Everest (珠穆朗瑪). It was thought impossible. Now researchers who raised 19 of the geese—named for the black stripes on the backs of their heads—have shown the birds really fly so high. The team trained the youngsters to fly in a large wind tunnel wearing backpacks and face masks full of sensors that recorded their heart rate. blood oxygen levels, temperature, and metabolic rate—how many calories they burned per hour. The researchers simulated(模擬)10w, medium, and highaltitude conditions by altering the concentration of oxygen supplied to face masks worn by each goose as it flew in the tunnel. Birds already have a better heart and lungs than mammals for sustained physical activity. And researchers knew that barheaded geese have even larger, thinner lungs that let them breathe more deeply and an even bigger heart to pump more oxygen to muscles than other birds. The wind tunnel experiments showed that when the concentration of oxygen was at its lowestlike the 7% found on top of Mount Everest versus 21% at sea level—the geese39。s heart rate and frequency of wing beats remained the same even as their metabolic rate dropped. Somehow, the birds managed to cool down their bloodthe measured blood temperature dropped so it could take in more oxygen, the researchers report today in eLife. This cooling likely helps pensate for the very thin air, the team says. Although well trained, the birds were only willing to stay in the air a few minutesor less when wearing their backpacks and flying at 6ihigh altitudes. So it39。s not clear whether these adaptations alone are what make it possible to fly the 8 hours it takes to climb over Mount Everest. But those few minutes showed these geese really could fly over the top of Mount Everest.（1）Why did the researchers raise 19 barheaded geese and train them? A.To test the flying height and speed of them.B.To confirm they could fly over Mount Everest.C.To observe them flying