2021届东莞市道滘中学高三英语下学期期末试题及参考答案.pdf
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1、2021 届东莞市道滘中学高三英语下学期期末试题及参考答案 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 Covid-19 has brought a great deal of trouble for all of us since March 2020.During this time,mobile phones have been the solution for the boredom and restlessness caused from staying ind
2、oors.The most downloaded apps on play store 2020 are;TikTok TikTok was the most downloaded app.With over 111.9 million downloads,TikTok has seen a huge growth in 2020,twice more than what it got in 2019.20%of its total downloads were fromIndiaand around 9.3%of the total downloads were in theUS.Zoom
3、Zoom was the second most installed app in the overall downloads category.With nearly 94.6 million installs,Zoom is the most used app for online meetings and virtual classrooms.17%of its downloads were in theUSandIndia.Offices and educational institutes were shut down and to continue working and stud
4、ying from home,people relied heavily on Zoom for video conferencing and calling.WhatsApp WhatsApp ranked third in overall downloads with more than 100 million downloads.It is one of the most popular and widely used chat applications;WhatsApp also supports communication between international phone ne
5、tworks.Facebook It ranked fourth in the overall downloaded list.Facebook is the worlds most popular social networking application.Facebook builds technologies that give people the power to connect with friends and family,find communities and grow businesses.1.What do we know about TikTok?A.It is an
6、India-based app.B.It has most users inAmerica.C.It is used for growing business.D.It has doubled its download than in 2019.2.Which app is the best to turn to for online education?A.TikTok.B.Zoom.C.WhatsApp.D.Facebook.3.What function does Facebook probably serve?A.Communication.B.Training.C.Teaching.
7、D.Payment B Clara Daly was seated on an Alaska Airlines flight from Boston to Los Angeles when a flight attendant asked an urgent(紧急的)question over the loudspeaker:“Does anyone on board know American Body Language?”She knew she needed to help.Clara,15 at the time,pressed the call button.The flight a
8、ttendant came by and explained the situation.“We have a passenger on the plane whos blind and deaf,”she said.The passenger seemed to want something,but he was traveling alone and the flight attendants couldnt understand what he needed,according to PEOPLE magazine.Clara had been studying ASL for the
9、past year to help with her dyslexia(阅读障碍)and knew shed be able to spell on the mans palm(手掌)by finger.So she unbuckled her seat belt,walked toward the front of the plane,and knelt by the aisle seat of Tim Cook,then 64.Gently taking his hand,she wrote,“How are you?Are you OK?”Cook asked for some wate
10、r.When it arrived,Clara returned to her seat.She came by again a bit later because he wanted to know the time.On her third visit,she stopped and stayed for a while.“He didnt need anything.He was lonely and wanted to talk,”Clara said.So for the next hour,that was what they did.She talked about her fa
11、mily and her plans for the future(she wants to be a politician).Cook told Clara how he had gradually become blind over time and shared stories of his days as a traveling salesman.Even though he couldnt see her,she“looked attentively at his face with such kindness”,a passenger reported.“Clara was ama
12、zing,”a flight attendant told Alaska Airlines in a blog interview.“You could tell Cook was very excited to have someone he could speak to,and she was such a warm-hearted girl.”Cooks reaction:“Best trip Ive ever had.”Looking for ways to offer help?Start with this random(随时的)act of kindness that can c
13、hange someones life right now.4.The flight attendant asked an urgent question because _.A.the passenger was traveling alone B.the plane was in a dangerous situation C.the passenger asked for something suddenly D.none of the flight attendants could communicate with the passenger 5.Why did Clara talk
14、about her plans for the future?A.Because the flight attendant asked her to do so.B.Because she needed topics to go on talking with Cook.C.Because Cook hoped to understand teenagers better.D.Because she wanted to show her dream for the future.6.Which of the following words can best describe Clara?A.K
15、ind and caring.B.Warm-hearted and brave.C.careful and calm.D.opened-minded and confident.7.The passage is mainly written to _.A.tell a touching story of an amazing girl B.show the great importance of American Body Language C.encourage readers to give a hand kindly and randomly D.show how kind the fl
16、ight attendant was to help Cook C Brain cells work to actively forget memories during a specific period of sleep.When we sleep our brains clear out the memories weve made while were awake,deciding what to keep and what to get rid of.Forgetting is an active process,explained the authors of the study
17、published in the journal Science.But less is known about this process during the different periods of sleep.They found that during the rapid eye movement(REM)sleep period or active sleep when we are thought to dream special nerve cells appear to actively contribute to forgetting.What are known as me
18、lanin-concentrating hormone-producing(MCH)neurons(神经元)sit in the hypothalamus(下丘脑):a part of the brain which helps with a range of functions such as sleep,appetite and emotions.Past research has suggested these cells help to control REM sleep patterns:activating the MCH neurons increasing time spent
19、in this period,while preventingthemreducing changes into this period.The scientists looked at MCH cells in mice,and found 52.8 percent were active during REM sleep,compared with 35 percent when the mice were awake.Study co-author Thomas Kilduff,director of the Center for Neuroscience at SRI Internat
20、ional,told Newsweek the team was surprised to find that mice performed better on learning and memory tasks when the MCH cells were prevented.“This result suggests that activation of the MCH neurons may affect memory that is,MCH neurons may facilitate forgetting,”Kilduff explained.When asked what mot
21、ivated the study,Kilduff said,“We hope the work could deepen our understanding of Alzheimers disease.Understanding the neural basis of learning and memory is a huge area of neuroscience research because of its effects on our everyday lives,as well as diseases such as Alzheimers disease.Prior to this
22、 work,no one suspected that MCH neurons had anything to do with forgetting,”said Kilduff.8.What can we infer from paragraph 1?A.Forgetting is a passive process.B.The forgetting process is known to us.C.Some memories are forgotten while we are awake.D.Certain memories are removed while we are asleep.
23、9.What does the underlined word“them”in paragraph 2 refer to?A.REM sleep patterns.B.Past researches.C.MCH neurons.D.A range of functions.10.Why did Kilduffs team conduct the research?A.To publish the study in the journal Science.B.To know more about Alzheimers disease.C.To contribute to humans forge
24、tting.D.To explore our everyday lives.11.What can we know about MCH?A.MCH cells takes control of REM sleep patterns.B.MCH neurons may disturb memory consolidation.C.MCH neurons have nothing to do with forgetting.D.MCH cells help mice performing better on learning.D Volunteer Day What better way is t
25、here to enjoy your own hobbies while helping others at the same time?Come to Volunteer Day and choose which activity youd like to join for the day.See below for a schedule of events on Volunteer Day.Volunteer Day schedule:7:30am.:Meet at the Community(社区)Center for juice and bagels.8:008:30 a.m.:Cho
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