2021年西南街道第七中学高三英语第二次联考试卷及答案解析.pdf
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1、2021 年西南街道第七中学高三英语第二次联考试卷及答案解析 第一部分 阅读(共两节,满分 40 分)第一节(共 15 小题;每小题 2 分,满分 30 分)阅读下列短文,从每题所给的 A、B、C、D 四个选项中选出最佳选项 A Older adults who sleep six hours or fewer a night may have elevated risk for dementia(痴呆症)and other cognitive(认知的)issues,a new study finds.Researchers at Stanford University measured se
2、niors(ages 65 to 85)dementia risk and cognitive abilities,finding higher risk in those patients who regularly slept six or fewer hours compared to those who slept seven or eight hours.Those seniors who slept nine or more hours also had lower cognitive functions and other health issues,but the resear
3、chers didnt find the same high dementia risk in this group.The findings demonstrate how important it is for adults to maintain a healthy sleep cycle,especially as they get older.As adults age,its common for their sleep patterns to change or becomedisrupted leading to longer,shorter,or more irregular
4、 sleep.This disruption may be linked to Alzheimers and other forms of dementia,impacting seniors ability to remember information,problem-solve,and go through everyday behaviors.Sleep disruption can also be caused by or heighten depression,cardiovascular disease(冠心病),and other conditions.A recommende
5、d sleep time for seniors is seven to eight hours,the researchers said.Six or fewer hours corresponded to short sleep,while nine or more hours corresponded to long sleep.The Stanford researchers measured levels of beta amyloid,a protein in the brain that is typically found in high levels when a patie
6、nt develops Alzheimers.In addition,the researchers used several tests for memory,attention,spatial skills,and executive function to identify patients cognitive abilities.Those patients sleeping for six hours or fewer a night were more likely to develop dementia,the researchers found.The low-sleep pa
7、tients had higher levels of beta amyloid.The Stanford researchers found that patients with lower sleep also performed worse on memory tests,while those with higher sleep(more hours)performed worse on executive function tests,which measure the brains ability to switch between different tasks.The main
8、 takeaway is that it is important to maintain healthy sleep late in life,Winer told CNN.1.What does the underlined word“disrupted”in paragraph 4 mean?A.difficult B.disordered C.dissolved D.different 2.According to the findings,which of the following is NOT related to the disrupted sleep?A.It is more
9、 likely to cause old people to have bad memories over issues.B.It may contribute to dementia,cardiovascular disease and other illnesses.C.Some daily behaviors perhaps differ from those whose sleeping is normal.D It tends to bring all the old people to undergo brain scans and cognitive tests.3.What c
10、an we infer from the study?A.A proper sleep time for seniors is seven to eight hours.B.Low and high sleep patients were both poor at memory tests.C.Executive function test is applied to measure the capacity of brain.D.Keeping a healthy sleep for older adults late in life is crucial.B My school appea
11、red on the news last week because we had made an important change in our local area.Our class had planted a large garden in what was once only a vacant lot.It was a lot of work but it was all worth it.I got blisters(水泡)from digging,and we all got insect bites,too.I learned a lot about gardening and
12、collaboration(合作),and then I learned about the media.Our teacher telephoned the TV station and informed them of what we had accomplished.She spoke with the producer.The producer checked with the directors,but they said there were plenty of stories similar to ours.They wanted to know what was special
13、 about our particular garden,since many schools plant them.The teacher explained that,after going on the Internet to learn about the prairie(大草原),we had made a prairie garden.We had gone to a prairie and gotten seeds from the plants,and then we planted them.We did not water the garden,but we did wee
14、d it.We decided to let nature water it with rain,since that was how prairies grew in the past.We sent a picture of the garden to the news station.In the picture,the grass was so high that it stood taller than the fourth grade students.As a result,the producer sent a reporter to our school.He intervi
15、ewed the headmaster and asked him many questions about the garden.After that,they interviewed us,and we explained to them what we had learned through this project.That night,we watched the news,and there we were.The news reporter told our story.It was only two minutes long,but it was us.We were famo
16、us.All that work,all those blisters,it was worth it.We knewthatwhen we saw the garden every day,but now we knew that the whole city thought so,too.4.What seemed to be the TV directors initial reaction to the garden?A.They were excited.B.They were surprised.C.They were worried.D.They were unintereste
17、d.5.What is special about the garden?A.Weeds were allowed to spread naturally.B.The grass grew faster than common grass.C.The seeds came from the plants of a prairie.D.Underground water was used for the plants.6.What does the underlined word“that”refer to in the last paragraph?A.We got blisters on o
18、ur hands.B.Our hard work was worthwhile.C.The garden would be famous.D.The project would be finished.7.How did the author feel about the project?A.Annoyed.B.Curious.C.Proud.D.Regretful.C Globally,people use roofs to dry out food,do their laundry and sleep.In Belfast,where were based,theres a culture
19、 of enjoying looking down on the city from up high,because its in a valley.But because we were a conflict area for a long time,many people didnt want to live,work or hang out in the city,and our roofs cape has been neglected.Rooftop projects can be as big or as small as you want.They can be used as
20、social or cultural spaces,for green or blue public facilities.But its not just about commercial opportunities;it can be as simple as an individual turning his/her city balcony into a mini garden or vegetable patch.Its not just about doing it on a rooftop because its“cool”.Its about giving up the dee
21、p-rooted thought that roofs are off limits and embracing their challenges as opportunities.That can make a huge difference.For instance,were helping turn the rooftop car park of a city central shopping centre into an outdoor space for employees,due to restrictions they now face indoors because of CO
22、VID-19.Using rooftops creatively allows us to cope with many of the challenges faced by cities today-be those environmental,social,technological,or cultural.At the moment,were being forced to rethink how we use public spaces due to COVID-19.With lots of restrictions on enclosed areas,we should be ac
23、knowledging rooftops alternatives.For example,Rotterdam recently hosted a play that took place across its rooftops.Each roof lit up and hosted a different part of the drama,while residents sat and watched,listening to the action through headphones.Are there any challenges?Rain is one.Also is health
24、and safety.But there are creative and practical solutions to all the barriers we face.In fact,the challenges are what make rooftops so exciting-because they give you even more opportunities to be creative and solve problems.It is always a matter of trial and error.8.What can we learn about rooftops
25、in the first two paragraphs?A.People enjoy getting together on rooftops.B.People can use rooftops to their own advantage.C.Rooftops are made good use of by locals in Belfast.D.Rooftops projects were launched for commercial reasons.9.How can rooftops benefit people in their life?A.Rooftops can be ada
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