A
Attheendofeveryyear,Timepicksthebest25inventionsthatare“makingtheworldbetterandsmarter”.Herewehavepickedthreeofthisyear’sinventionsthatcouldbeapartofyourlifeinthenearfuture.
Thelevitating(悬浮的)lightbulb
ThisspeciallightbulbwasinventedbyUSartistandscientistSimonMorris.Hegottheideaofmakingalightbulbfloatfromhoverboards(悬浮滑板),
whichheusedtodreamofhavingasakid.
Butthefloatingisnotthemostamazingpart.Therejectionforcebetweentheoppositeendsofthemagnets(磁铁),whichwereputinthebottomofthebulbandinthewoodenbase,doesthejob.What’snewhereisatechnologycalledinduction(电磁感
应).Itallowsthelightbulbtogetpowerfromthebaseeventheyarenotincontact.
Shoesthattiethemselves
They’renotwhatyouthink—shoelacesthattiethemselvesinthewaywetiethem.Instead,thenewshoeshavesmallmotorsthatcontroltheirlaces.Whenyoustepinthem,
yourfeetwillhitasensor(传感器)
intheshoesandthemotorwillautomaticallytightenthelaces.
Buttheshoesweren’tjustdesignedforlazypeople’sneeds.Theycouldactuallygiveathletesanadvantageduringcompetition.Theyarealsousefulforpeoplewhocannotmovetheirarmsorfingerseasily.
Thenotouchthermometer(体温计)
Takingyourbodytemperatureusuallymeansputtingathermometerinyourarmpits(腋窝) andstayingstillforminutes.Itmaybeeasyforyou,
butit’sanimpossibletaskforlittlekids.
Now,withthenewthermometer,
userscansimplyputit2.5centimetersfromapatient’sforeheadandpressthebutton,
anditcangetthereadingintwoseconds.
21.Thelevitatinglightbulbisspecialinthat.
A.floatingisthemostamazingpartofthelevitatinglightbulb
B.theinventorofthelevitatinglightbulbismorethanascientist
C.itmakesuseoftherejectionforcebetweenoppositeendsofmagnets
D.inductionallowsthelightbulbtogetpowerevenwhenunconnectedwiththebase
答案 D
解析 细节理解题。根据Thelevitating(悬浮的)lightbulb部分的“Butthefloatingisnotthemostamazingpart.”以及
“What’snewhereisatechnologycalledinduction(电磁感
应).Itallowsthelightbulbtogetpowerfromthebaseeventheyarenotincontact.”可知,这种灯泡的特别之处不是悬浮,而是可以在不接触底座的情况下得到电。故选D。
22.Howisthenotouchthermometerdifferentfromotherones?
A.Itmakesiteasiertotakekid’stemperature.
B.Youneedwaittwominutesforthereading.
C.Youdon’tneedtopressthebutton.
D.Itshouldbeputinone’sarmpit.
答案 A
解析 推理判断题。根据Thenotouchthermometer(体温计)部分的“Itmaybeeasyforyou,butit’sanimpossibletaskforlittlekids.”及“Now,withthenewthermometer,
userscansimplyputit2.5centimetersfromapatient’sforehead...”可推知,no
touchthermometer使给小孩量体温更容易了。故选A。
23.Inwhichpartofanewspapercanyoupossiblyreadthistext?
A.Education. B.Sports.
C.Science. D.Entertainment.
答案 C
解析 文章出处题。本文主要介绍了《时代周刊》评出的年度最佳发明,应该属于报纸上的科技板块。故选C。