初三2024年陕西省初中学业水平考试·押题卷(二)2试题(英语)

2024-06-05 12:55:12 22℃

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C.The Lifelong Journey of Rereading ClassicsB.To show a method to predict development of diseasesD.The Childhood Memories in Reading HabitsC.To reveal the relationship between smell and memory.CD.To draw public attention to memory loss in older adults.When a scent moved gently through the air in the bedrooms of older adults for31.What will the follow-up paragraph most probably talk about?two hours every night for just six months.their memories skyrocketed.ParticipantsA.The approach to enhancing language skills.in this study by UCI (University of California,Irvine)Centre reaped a 226%B.The reason behind simplitying the technique.increase in cognitive (capacity compared to the control group.TheC.The possibility of retieving severe depression.researchers say the finding transforms the long-known tie between smell andD.The solution to recovering olfactory capacities.memory'into an easy、non-invasive(无创f的)technique for strengthening-memoryDand potentially preventing dementia.The team's study appears in Frontiers inNeuroscience.Scientists have found a new way to break down a group of harmful chemicalsThe study was conducted through the UCI Center for the Neurobiology ofvery hard to get rid of.The discovery could help solve a dangerous and growingLearning &Memory.It involved men and women aged 60 to 85 withoutproblem一how to clean up the pollution of“forever chemicals'”.memory disorders.They were each given a diffuser (and seven smallThe group of chemicals known as PFAS(全氟烷基物)are pretty amazing.bottles.each-eentaining a single and ditierent natural oil.People in the enrichedThey're non-stick,waterproof,and oil proof.They don't burn easily or dissolvegroup received full-strength bottles.Control group participants were given the oils in)in water.So scientists got really excited when-they were discovered.Businessestiny amounts.Participants put a different bottte into their diffuser each evening priorstarted putting PFAS in all sorts of products,from non-stick pans to-waterproofto going to bed.and it remained active for two hours as they slept.clothes,and from fire-fighting spray to carpets that resist stains.Even things likePeople in the enriched group showed a 226%increase in cognitive performancefood wrappers and floss for cleaning your teeth contain PFAS chemicals.compared to the control group,as measured by a word list test commonly used toBut after a while,scicntists realized the same things that made the chemicalsevaluate memory.CT imaging revealed better integrity brain pathway.The pathwayuseful also caused a real problem-PFAS doesn't break down in nature.It doesn'taffects decision-making ability and usually becomes less powerful with age.dissolve in water or burn.Not even bacteria can break PFAS down.No wonder theseParticipants also reported sleeping more soundly.chemicals are known as"forever chemicals".Scientists have long known that the loss of olfactory capacity,or ability to smell,As a result,PFAS chemicals surge in the environment.The chemicals are foundcan predict development of-nearly-70-different kinds of diseases includingin air,water,and dirt around the world-and in animals and people.In the US,97%Alzheimer's and other dementias.Evidence emerges about a link between smell lossof humans have PFAS in their blood.due to COVID and later cognitive decrease.Researchers have previously found thatLuckily,scientists in the US have now found a way to break down some PFASexposing people with moderate dementia to up to 40 different scents twice a daychemicals.Their-solution requires boiling PFAS with-two-other very commonover a period of time boosted their memories and language skills,alleviatedchemicals.These chemicals can be found in just about any laboratory.depression and improved their olfactory capacities.Later,the UCI team decided toDr.Brittany Trang,one of the scientists involved,said she didn't even want totry making this technique easier for older adults.test the idea at first."I thought it was too simple."she said.But the process worked.28.What does the underlined word"skyrocketed"in paragraph I probably mean?The research involved 10 types of PFAS.including two of the most commonA.Dramatically declined.B.Slightly improved.kinds.That's a big step.But there are over 12,000 different kinds of PFAS.It'sC.Severely weakened.D.Significantly increased.important to note that the new method can only break down PFAS chemicals that29.What do we know about the experiment described in paragraph 2?have already been collected.Figuring out how to remove PFAS chemicals from theA.All of the bottles contain the identical natural oil.environment and colleet them remains a huge challenge.B.The given oil amount varies from group to group.32.What can we infer about PFAS chemicals from paragraph 2?C.Each participant is distributed eight oil-filled bottlesA.Scientists were so excited to invent themD.No requirement is for participants except age and sex.B.They were environmentally friendly at first.30.What is the author's main purpose in writing the passage?C.They are really widely used in our daily life.A.To report a study on scent exposure boosting memory.D.They have more advantages than disadvantages.高三英语试题第5页共10页高三英语试题第6页共10页

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