Whatis"Fable"inChinese

Listonephysicalsensor,onechemicalsensorandonebiosensor(inEnglish),trytoexplainthemechanismofonesensor(inChinese,exceptthesensorsmentionedinclass)

TherearemanycatsinEngland.Englishpeopleareveryfriendlytoalltheircats.　　Marywasaschoolteacher.Shehadabeautifulwhitecat,andsheloveditverymuch.Butaverysadthinghappenedoneday.Arichman’scaroverthecat,andthatwastheendofthecat.Maryranoutontotheroad.　　“Oh,youpoor,dearthing!”Shecried.“WhatshallIdowithoutyouYouwerethelightofmylife.”　　Therichmanstoppedhiscarandcameback.HeputhisarmsaroundMaryandsaid,“I’mverysorryaboutthisaccident.Pleaseletme…”　　“Youdon’tknow!”Marycried.“Shewasawonderfulpupil!”　　“Apupil”themanasked.“thiscatWhatdoyoumean”　　“Youcouldn’tbuythatcatforallhemoneyinEngland!”Marysaid,“Itaughthereveryday.Thatcatcouldtalk,sir!”　　“ThenImusthelpyou,”themansaid.Hetooksomemoneyfromhispocket.“Here,havethis.Threehundredpounds.IsitenoughWillyouforgiveme”　　Marytookthemoney.“Thankyou,”shesaid,“I’llgetanothercat.ThenImustbeginalltheworkagain.”　　Therichmanwentawayinhiscar.AwomansaidtoMary,“Wasittrue,Madam”Maryanswered,“Mycathadmanydifficultlessons.AtlastshecouldsayhernameinChinese.”　　Everyonelaughed.WhatcouldMary’scatsayShecouldsay_____. A: theEnglishword“cat” B: Mary’sname C: “cat”inChinese