英语分类汇编阅读理解之科普知识类.doc

6年模拟【2007-2012】英语汇编：阅读理解之?科普知识类? 2012年?模拟题 【湖北省八校?2012届?高三第一次?联考】Squir?rels often? commu?nicat?e with whist?les, chirp?s and chuck?s, which? sound? like the word “chuck?”． Whist?les and chirp?s are like the sound?s that many birds? make．Now scien?tists? have trans?lated? some of their? squir?rel-speak?． Hare, a profe?ssor of zoolo?gy at the Unive?rsity? of Manil?oha in Winni?peg, and his team manag?ed to recor?d squir?rels alarm? calls?．The resea?rcher?s studi?ed the sound?s and then playe?d them back to 60 wild squir?rels, which? the scien?tists? appro?ached? indiv?idual?ly with a video? recor?der to captu?re(抓拍）their? repon?ses．Some squir?rels lifte?d their? heads? up and becam?e．Alert?(警惕的）．Creat?ures that were more frigh?tened? simpl?y ran for their? lives? and dived? into caves?． In effec?t then, whist?les that mix with chuck?s say there?s an enemy? of avera?ge threa?t thats here, and whist?les witho?ut chuck?s say there?s an enemy? of seemi?ngly avera?ge threa?t aroun?d here somew?here, while? pure chirp?s say, Im hidin?g here becau?se there?s an immed?iate dange?r． Hare told．Disco?very News． Hare and some other? resea?rcher?s belie?ve such sound?s arc part of an advan?ced langu?age that devel?ops just as all other? commu?nicat?ion syste?ms． Altho?ugh squir?rels risk their? lives? when they call out to warn other?s of threa?ts, other? squir?rels might? admir?e this behav?iour, thus incre?asing?ly the calle?r’s socia?l statu?s, like human?s who look up to heroe?s. Hare added? that other? anima?ls, such as birds?, proba?bly under?stand? at least? some squir?rel langu?age, since? they also may benef?it from the alarm? calls?. In fact, anoth?er Canad?ian study? found? that deep-voice?d, black?-cappe?d chick?adees? have their? own langu?age too．Accor?ding to certa?in resea?rch, there? are a lot of tidin?gs in chick?adees? calls?, such as direc?ting fello?ws activ?ities?, keepi?ng in conta?ct betwe?en mates?, and raisi?ng alarm?s． While? chick?adees? and othe