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1、 烟台市20182019学年度第一学期期中自主练习高三英语 说明：本试卷分四部分，共12页。满分150分。考试用时120分钟。答案全部涂写在答题 纸上，考试结束后，只交答题纸。第I卷第一部分 听力(共两节，满分30分) 做题时，先将答案标在试卷上，录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节(共5小题；每小题1.5分，满分7.5分) 听下面5段对话，每段对话后有一个小题。从题中所给的A、B、C三个选项中选出 最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关 小题和阅读下一小题。每段对话仅读一遍。 第二部分 阅读理解(共两节，满分40分)第
2、一节(共15小题，每小题2分，满分30分) 阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。ATeens who are changing the worldTeenagers are，in fact，solving the problems of today with groundbreaking inventionsKeiana Cav，USAThe largest oil slick(浮油)caused by the oil overflow occurring in the Gulf of Mexico in 2010 led to bab
3、y dolphins dying at six times the usual rateWatching the news on TV，Cav felt that there must be some hidden environmental damageAged just 15，she began studying what happens to oil when its left on the oceans surfaceThe teenager discovered that when its hit by UV rays from the sun，oil reacts to form
4、chemicals which cause cancerCav has turned her work into two patents for methods of detecting the dangerous chemicalsWang Sunming and Li Jingpeng，ChinaRealizing the extent to which bacteria spread on public door handles，Wang and Li sought a materialtitanium oxide(钛白粉)that could adequately kill bacte
5、riaHowever，the chemical isnt very effective unless exposed to UV raysSince most door handles are inside buildingsbeyond the reach of UV rays from the sun，Wang and Li turned to LED lights and created a LED door handleWhen a person touches the handle，the UV light switches on，activating(使活跃)the titaniu
6、m oxide on it and instantly killing 998 percent of the bacteria that might otherwise have been spreadJulian Rios Cantu，MexicoThis inventor was just 13 years old when his mother was diagnosed with breast cancerHe watched in horror as the tumour(肿瘤)grew from the size of a green bean to the size of a g
7、olf ball.After his mother recovered，Cantu set out to protect others from the diseaseHe developed wearable device that may be able to detect the early signs of breast cancerIf the project succeeds，it can save millions of lives 21Why did Cav begin studying oil left on the oceans surface?ATo test her u
8、nique predictionBTo prevent the oil overflowing CTo apply for a patent on her invention DTo find the cause of baby dolphinsdeaths22What is special about the bacteriakilling door handle?AThe titanium oxide is an activate chemicalBLED lights are used to provide power at nightCThe UV light causes titan
9、ium oxide to kill bacteriaDThe design has made it an affordable choice for most23What can we infer about Cantus wearable device?AIt hasnt been put into use at present.BIt can keep a record of tumorsgrowthCIt can stop the tumour from growing fastDIt helped to discover his mothers disease24What can we
10、 learn from the teenagers mentioned in the text?AThe problems of today are all solved by teenagersBThey are highly educated and truly creativeCA good beginning makes a good endingDNecessity is the mother of inventionBRey Castueiano didnt plan to become his fathers primary caregiver，but when Castucia
11、no spent six weeks in a nursing home with his father who had a stroke(中风)，it led to a moment that changed Castucianos life for the better“I befriended a lot of the nursing home residents(居民)，”Castuciano says“I got to know them and noticed how many talents and how much wisdom they hadBut there was al
12、so a lot of depression and social isolation”During one of his stops in the nursing homes caf，he watched a video about seniors in the United States helping Brazilian students improve their English through Skype sessionsThats when his idea was bornHe saw a way to benefit two populations，older American
13、s and newcomers，at onceAnd in 2014，he founded Table Wisdom，whose mission is to bring together mature adults and younger people born abroad(i.e，recent immigrants and international students)for weekly guidance and conversational English via video chat“Being a caregiver wasnt something I was prepared t
14、o do”he notes“It was kind of just presented to me，and I had to figure it outIt call be very exhausting and stressful，balancing caregiving with being the founder of a social enterpriseBut at the same time，its satisfying and rewarding work”And Castueiano says that hes on the fight pathTo date，Table Wi
15、sdom has made more than 90 matchesTo match people，common interests and personality type are taken into consideration Most connect by whatever video software they prefer(for example，FaceTime or WeChat)For the older adults who struggle with technology or dont have a reliable internet connection，conversations can take place by phoneThese days，Castuciano is planning to help his parents reunite with family members in southern California，since his father is now doing wellHe says，“Taking care of older people is embedded(融入)in our culture”25H
