unit4(i)-the birth of a science知识精讲 人教版

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1、Unit4(I)-TheBirthofaScience知识精讲一.本周教学内容：Unit4（I）—TheBirthofaScience二.知识总结与归纳：1.Untilthen,mostlydoctorsandsurgeonsstudiedherbs.Attemptshadbeenmadebyotherstoclassifyplantspeciesintogroups,butthebreakthroughcamewiththeworkofCarlLinnaeus.直到那时为止，内科医生和外科医生大都研究过草药，另一些尝试按植物种类进行分类，但是突破性进展却来自CarlLinnaeus

2、。mostly：大部分地，主要地Moreimmigrantsarrived,mostlyEuropeans.ThefilmwasmadeinScotland,mostlyinGlasgow.Attemptshadbeenmade…是makeattemptstodo/atsth.的被动形式。Shemadeanattempttohideherdistress.Theyfailedinalltheirattemptstoclimbthemountain.attempt作为及物动词，表示：尝试，企图Youareattemptingadifficulttask.2.Inhissystemthe

3、identificationofdifferentspecieswasbasedonthearrangementofthemaleandfemaleorgansintheflowers.在他的分类体系中，不同种群的鉴别是以花中的雄性和雌性器官的排列为基础的。bebasedon：建立在……基础之上Hisreasoningisconvincingbecauseitisbasedonscientificanalysis.Oneshouldalwaysbaseone’sopiniononfacts.Sheusedherfamily’shistoryasabaseforhernovel.3.B

4、ornintoalifeofprivilege,JosephBankswasthesonofawealthyfamily.JosephBanks是一个富裕家庭的儿子，生来就享有特权生活。beborninto/to/of…出生于……Magiewasbornintoawealthyfamily.ShewasbornofGermanparents.born的其他用法：Hewasabornmusician.Abornteacher,shethoughtshecouldturnadeaf-blindpersonintoausefulhumanbeing.Allmenarebornthesame

5、andequal.4.Manyyoungmeninhispositionwouldleadacosylife,butyoungBankshadanappetiteforknowledge.许多像他这样有地位的年轻人过的是舒适安逸的生活，而年轻的Banks却渴求知识。position：处境；境地；地位；位置；姿势I’mnotsurewhatIshoulddoifIwereinhisposition.TheyweremenofthehighestpositioninEngland.haveanappetitefor：渴望做……Ihaveagreatappetiteforclassical

6、music.Don’teatthecake,oryouwillspoilyourappetite.Helosthisappetiteforpoliticsafterbeatenintheelection.5.Asastronomywasoneofthemostimportantbranchesofscience,itwastheBritishgovernmentthatpaidforalltheequipmentandexpensesforthatpartoftheexpedition.因为天文学是一个很重要的科学分支，所以英国政府赞助了这次考察中天文学部分所需要的设备和经费。后半句

7、是一个强调句：被强调部分是：theBritishgovernmentExpense：花费，开支　　常用短语：at…expense如：atgreat/noexpenseHehadhisbookathisownexpense.Hefinishedtheworkattheexpenseofhisrest.6.Bankswasthefirsttomovecropsfromonecontinenttoanotheronalargescale,helpingtodev