

下載本文檔
版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報或認(rèn)領(lǐng)
文檔簡介
1、 York to 1 my Life became hard when I was 14. My mother and I moved whod moved there to work when I was three years old. He had a job at a and York to 1 my Life became hard when I was 14. My mother and I moved whod moved there to work when I was three years old. He had a job at a andonlyvisitedevery
2、couple ofBefore I moved, I t he US spoke English. But honestly, I didnt stop yze when I to leave. Just like I med I could doctorora lawyer.ItIhadthe skillstolearnEnglishinae When I he US and started 8th grade at Ditmas Middle School in as speaking a (language I couldnt understand. t life subtitles,
3、like in foreign movies. School ch a serious place here. Sometimes I felt like was in a geek (呆子) class. The teachers were my moves so I couldnt evena rlassmateshead.Andtheworstthingwashavingto after almost seven months of complaining about everything, I tcomplaining didnt change things. just made my
4、 life worse. If I was going his new concrete jungle, I had to. I began to learn English by reading newsprson my own school. After about our months, I started enjoying reading the crime and stories. After six months of studying, my my improvement and moved o English class. Icould go to the store anda
5、sk for t I wanted to buy I didnt frustration. For time I felt like I was living on foreigntalk.understand() 1.A.)2.A.good-) 3.A. ) 4.A. ) 5.A.)6.A.)7.A. ) 8.A.) 9.A.)10.A. )11.A.) 12.A. )13.A. ) 14.A.) 15.A. )16.A. ) 17.A. B.B.well-B.B.B.B.B.B.B.C.C.C.D. D.highly-D. D. s D.D.D. D.D.D. D. D.D.D.D. D.
6、 D.C.C.C.C.C.C.C.C.C.C.C.C.C.C.B.B. Even B.B.B.B.B.B.() 18.A.) 19.A. ) 20.A.B.B.B.C.C.C.D. D.D. AGrasshoppersare having to change their songone of the iconic () 18.A.) 19.A. ) 20.A.B.B.B.C.C.C.D. D.D. AGrasshoppersare having to change their songone of the iconic sounds of summermake themselves heard
7、 above the noise of road traffic, ecologists have discovered. The he British Ecological Societys journal Functional Ecology, is to thuman-made noise affects natural insect populations. Animals use sound to communicate many reasons, including marking out territory, warning of predators and finding ma
8、tes, although previous research shows birds, whales and change their calls in environments, the impact of human-made noise on insects has been neglected until now. Leandcolleaguesfromthe UniversityofBielefeldinGermanycaught188grasshoppers, half from quiet locations and half from beside busy roads. T
9、he grasshoppers theirsongtoattractThe team then studied the in the two groups songs in the laboratory. encourage them to sing they ed the males to a female grasshopper, and then recorded courtship ysis of almost 1,000 recordings revealed grasshoppers living beside roadsproduceddifferentsongstothosel
10、ivinginquieterAccording to e, “Bow-winged grasshoppers t include low and frequencycomponents.We tgrasshoppersfromnoisy sincrease thevolumeof lower-frequency part of their song, partofthefrequencyspectrum頻譜akes sense since road noise can mask The teams findings are important because traffic noisecoul
11、d be upsetting the grasshoppers mating system (交配系統(tǒng)). “Increased noise levels could affect grasshopper courtship in several ways. It could prevent females from hearing male courtship songs properly, prevent females from recognizing males of their own species, or impair females ability to estimate ho
12、w attractive maleisfromhissong,”e Having thuman-madenoiseaffectsinsectcommunication,theresearcherswantto learn more about how the mechanism works, and whether the grasshoppers adapt to during their developmentas larvae(幼蟲), or whether males fromnoisy s produce songsduetogenetic.The bow-winged grassh
13、opper is a common species in Central Europe. Adults occur n July and September, preferring dry grasslands. Around 1.5 cm long, they vary in from green and brown to red and purple. The males song consists of 2 second-long tincrease litude (振幅) towards the end. The beginning of a phrase is characteriz
14、ed slower ticking t increase in speed litude, leading to a buzzing sound ofthephrase.Acourtshipsongusuallyincludes2)21.Theauthorwrotethepassage (roducehowgrasshoppersmakenoisestoattractB.raisetheawarenessofprotectingbow-wingedC. informusofarecentdiscoveryofecologicalD.warnthuman-madenoisehaschangede
15、cological()22.WhichofthefollowingcouldbethemainideaoftheBow-wingedgrasshoppersusetheirsongstoGrasshopperschangetheirsongstoadapttothenoisyGrasshopperssongsincludebothlowandhighfrequencyBow-wingedD.warnthuman-madenoisehaschangedecological()22.WhichofthefollowingcouldbethemainideaoftheBow-wingedgrassh
16、oppersusetheirsongstoGrasshopperschangetheirsongstoadapttothenoisyGrasshopperssongsincludebothlowandhighfrequencyBow-wingedgrasshoppersareacommonspeciesinCentral()23.Whatdoesthe underlinedwordhefourthparagraphC.A. B.D. ()24.WhichofthefollowingementsisTRUEaccordingtotheA. Roadnoisecancoverthelower-fr
17、equencypartoftheirB.AnimalsmakesoundsonlyfortheeoffindingC.Grasshopperlarvaelearntoadapttohuman-madeD.Bow-wingedgrasshoppersgrowBoadultsint the elderly should Our risk of cancer rises dramatically as we age. So it makes routinelyscreenedfornewtumorsordoesntWhile such vigilant (警覺的) tracking of cance
18、r is a good thing in general, researchers increasingly questioning whether all of this testing is ne percentage of people over age 65 expected to nearly doubsary for the elderly. With the y 2050, its important to weigh healthbenefitsofscreeningagainsttherisksandcostsofroutineIn many cases, screening
19、 can lead to additional biopsies and surgeries to remove cancer, which can cause side effects, while the cancers themselves may be slow-growing and may e serious health problems in patients remaining years. But the t everyone e so screen for cancer t when health care tnder50andover 74stopscreeningfo
20、r breastcancer,itcausedariotous reactiondoctors,patientsandadvocacy Its hard to uproot deeply held fs ancer screening with scientific data. there are people over age 75 who have had cancers detected by routine screening, and several extra years of life because of treatment. And clearly, people over
21、age 75 who have risk factors for cancer, such as a family history or al experience with the should continue to get screened regularly. But for the remainder, the risk of cancer, increasedof life, mustbebalancedwith other factors likeremaining lifeexpectancyA recent study t doctors start to make more
22、 objective s about who truly benefit from screeningespe swell our population.lly considering the of the t will Its not an easy calculation to make, but t make sense for the whole patient. Dr. Brawleysaid,“Manydoctorsareorderingthesetestspurely tocoverthemselves.Weneedtoabouttherationaluseofhealthcar
23、eandstoptalkingabouttherationingofhealtht means making some s with elderly patients, and going against misguidedtwhenitcomestohealthcare,moreisalways() 25.WhydomendroutinecancerscreeningforelderlyA.ItisvedtocontributetolongB. Itispartoftheir healthcare C.TheelderlyaremoresensitiveabouttheirD.Theelde
24、rlyareingreaterdangerof()26.HowdosomeresearchersnowlookatroutinecancerscreeningfortheItaddstoomuchtoB. Itispartoftheir healthcare C.TheelderlyaremoresensitiveabouttheirD.Theelderlyareingreaterdangerof()26.HowdosomeresearchersnowlookatroutinecancerscreeningfortheItaddstoomuchtotheirmedicalIthelpsincr
25、easetheirlifeC.Theyare doubtfulaboutD.Theythinkitdoesn()27.WhatistheconventionalviewaboutwomenscreeningforbreastA.ItstowomenoverC.Itisoptionalfor youngB.Itisa mustforadultD.Itdoesntapplytowomenover()28.WhydomanydoctorsprescriberoutinescreeningforTheywanttoprotectthemselvesagainstmedicalTheywanttotak
26、eadvantageofthemedicalcareTheywantdataformedicalTheywanttheirpatientstosuffer()29.WhatdoestheauthorsayisA.The more,the C.BetterneralviewabouthealthB.PreventionisD.Bettercare,longerCnDo you know how itiswhenyousee someone yawnandyou startyawningtoo?Or how hard it is to be among people laughing and no
27、t laugh yourself? Well, apparently its because we mirrorneurons神經(jīng)元inourPut simply, the existence of mirror tevery time we see someone else something, our brains e (模仿) it, whether or not we actually perform the same This explains a great deal about how we learn to , talk, walk, dance or play sports.
28、 But idea goes further: Mirror neuronsnot only appear toexplain physical actions, theyl thereisabiologicalbasisforthewayweunderstandtMirror neurons can undoubtedly be found all over our brains, but lly in the whichrelate to our ability to use languages, and to understand how eople feel. have tmirror neurons relate strongly tolanguage. Agroupofresearchers tif theygave people tolistento(forle:“The handtookholdof the ball”),themirror neurons were triggered as when the action was actually performed (in this actuallytakingholdofa Anyproblemswithmirrorneuronsmaywellresultinproblemswithbehavior.
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 父母宅基地繼承協(xié)議書(30篇)
- 2025項目外包合同范本
- 信息咨詢電子合同樣本
- 小學(xué)一年級語文下冊教學(xué)工作期末總結(jié)
- 2025年油底殼項目合作計劃書
- 擔(dān)保公司抵押借款合同范例二零二五年
- 二零二五協(xié)議離婚手續(xù)辦理程序
- 二零二五派遣單位與用工單位勞務(wù)派遣協(xié)議
- 聘用指導(dǎo)員合同書模板二零二五年
- 全新夫妻債務(wù)承擔(dān)協(xié)議書二零二五年
- 成人肥胖食養(yǎng)指南2024年版-國家衛(wèi)健委-202403
- 新生兒頭部護(hù)理課件
- 如何培養(yǎng)嚴(yán)重精神障礙患者的社交技能和人際交往能力
- 全科醫(yī)學(xué)培養(yǎng)的病例討論教學(xué)
- 智慧數(shù)字博物館建設(shè)方案
- 2020年ISH國際高血壓實踐指南
- 《體育保健學(xué)》課件-第三章 運(yùn)動性病癥
- ACS患者救治總流程圖
- 防爆檢查五十條
- 23秋國家開放大學(xué)《小學(xué)語文教學(xué)研究》形考任務(wù)1-5參考答案
- 多巴胺藥物臨床應(yīng)用中國專家共識
評論
0/150
提交評論