高中英语 Unit 4 Wildlife protectionSectionⅢ同步教学课件 新人教版必修2.ppt

section learningaboutlanguage usinglanguage 速效提能演练 unit1 重点难点探究 section 预习多维感知 readthepassageandtellthefollowingstatementstrue t orfalse f 1 dinosaurscameintobeinglongbeforehumans 答案 t2 wehavefoundtheeggsof25speciesinchina 答案 t3 thescientistscantellthespeciesofdinosaurfromthewaytheboneswerejoinedtogether 答案 f 预习多维感知 scanthetextandchoosebestansweraccordingtothetext 1 themainideaofthepassageis a howdinosaurswerediscoveredb aboutdinosaurs extinctionc aboutthehistoryofdinosaursd aboutanimals dyingout答案 b 2 fromthefirstparagraphweknowthat a dinosaurshaverecentlydisappearedb anumberofdinosaursusedtoliveincanadac dinosaurs existenceislongbeforehumanscameintobeingd dinosaurscan tclimbtreesasotheranimalsdo答案 c 3 thepossiblereasonsforthedisappearanceofdinosaursarethefollowingexceptthat a theylivedontheearthtensofmillionsofyearsagob itcameafteranunexpectedincidentc theearthgottoohotforthedinosaurstoliveond nobodyknowsforsurethereason答案 a 4 accordingtoaunreport weknowthat a some844animalsandplantshavedisappearedinthelast500yearsb thedodo averyfriendlyanimalcanlivelongerontheearthc dinosaurscannotonlyrunbutalsoclimbtreesd toomuchdustintheairkilleddinosaurs答案 a 5 fromthewholepassagewecanlearnthat a ifweprotecttheearthwell dinosaurscan tdieoutquicklyb theeggsoftwenty fivespecieswillbefoundinchinac scientistsfoundasurprisingresultofthebrainofthedinosaursd thenextpartofthepassagewillbeaboutdodo sdisappearance答案 d 重点难点探究 1theylivedontheearthtensofmillionsofyearsago longbeforehumanscameintobeingandtheirfutureseemedsecureatthattime 数千万年前 恐龙就在地球上生活 比人类的出现要早得多 当时他们的前景好像也很安全 品味经典 wedonotknowexactlyhowlifefirstcameintobeingontheearth 我们不知道地球上生命是怎样形成的 thepeople srepublicofchinacameintobeingonoctoberlst 1949 中华人民共和国成立于1949年10月1日 therearemanyreasonsforthisproblemtocomeintobeing 导致这一问题产生的原因有很多 自我探究comeintobeing comeintoexistence意为形成 开始存在 产生 comeintobeing无被动语态 不用于进行时态 牛刀小试scientistshavemanytheoriesabouthowtheuniverse intobeing a cameb wascomingc hadcomed wouldcome解析 选a 考查时态 主句的时态是一般现在时 由此可知是现在叙述过去发生的事情 所以用一般过去时 comeintobeing表示 形成 开始存在 无被动形式和进行时态 2whenscientistsinspectedthebones theyweresurprisedtofindthatthesedinosaurscouldnotonlyrunliketheothersbutalsoclimbtrees 科学家们观察他们的骨头时 惊奇地发现他们不仅跟其他恐龙一样可以跑 而且还可以爬树 品味经典 afterthecrashbothdriversgotoutandinspectedtheircarsfordamage 汽车相撞后 两位司机都下车检查车辆受损情况 thebuildingisofteninspectedbythefire safetyofficer 消防安全官经常视察这座大楼 theticketinspectorinspectedeverypassenger sticketbeforetheygotonthetrain 在旅客上火车前检票员查看每个人的车票 自我探究inspectvt 意为检查 视察 归纳拓展 牛刀小试单项填空 1 whatdidthevisitingpresidentdoexcept thetroops havingatalkwiththeimportantleadersandmakingaspeechinfudanuniversity a inspectb examinec checkd test解析 选a 检阅军队 用inspect 是职务 职责上的检查 examine仔细检查 体检 check检查 核对 test测验 考验 完成句子 2 anofficialfromthedepartmentofhealth 检查这家饭店 thisafternoon 3 theteacherwalkedaround 检查他们的作业 答案 2 willinspecttherestaurant 3 inspectingtheirwork 3somescientiststhinkitcameafteranunexpectedincidentwhenahugerockfromspacehittheearthandputtoomuchdustintotheair 有些科学家认为恐龙灭绝是发生在一次意外事故之后 当时宇宙间一块巨石击中地球因而在空气中扬起太多的尘土 品味经典 ayouthwasseriouslyinjuredinashootingincidentonsaturdaynight 一位年轻人在周六晚上的枪击事件中受了重伤 idon thopethisincidenthappensagain 我不希望这种事再次发生 自我探究incidentn 意为事件 事变 易混辨析incident accident everychinesestudentshouldrememberthejuly7thincidentof1937 每位中国学生都应该记住1937年的 七七事变 shewaskilledinatrafficaccident 她死于交通事故 巧学助记 accident incident 牛刀小试 2011年泉州高一检测 markhada n lastnight hedroveintoatree a disasterb accidentc eventd incident解析 选b 由句意知迈克开车撞到树上 应属于意外事故 故选b项 a项 灾难 c项 大事 体育赛事 d项 事件 事变 4accordingtoaunreport some844animalsandplantshavedisappearedinthelast500years 根据联合国的一份报告 在过去的500年里 有844种动植物消失 品味经典 accordingtosarahthey renotgettingonverywellatthemoment 根据萨拉所说 他们当时相处得不好 studentsareallputindifferentgroupsaccordingtotheirability 按照能力 学生们被分为不同的组别 everythingwentaccordingtotheplan andwearrivedontime 一切按计划进行 我们按时到达 自我探究accordingto意为按照 根据 所说 牛刀小试 experts opinions theygaveuptheexperimentimmediately a accordingtob asaresultofc insteadofd withthehelpof解析 选a 考查短语辨析 题意为 根据专家们的意见 他们马上放弃了这项实验 accordingto按照 根据 符合题意 5afterawhileshesawsomezebrawithblackandwhitelinesgoingbeneaththeirstomachs 过了一会儿她看到了一些斑马 它们身上有从上一直延伸到腹部的黑白相间的条纹 品味经典 shecametoariverwithgreengrassandredflowersonbothsides 她来到了一条两岸长着红花绿草的河边 yesterdayicameacrossawomanwithababyinherarmsbegginginthestreet 昨天我碰到一个抱着婴儿的妇女在街上行乞 withtheproblemsettled wewentonsmoothly 问题解决后 我们进展得很顺利 withthehouseempty jackfeltlonely 因为房子空空的 杰克感到很孤独 自我探究本句中的withblackandwhitelinesgoingbeneaththeirstomachs是with的复合结构 该结构在句中作定语 修饰somezebra 归纳拓展with的复合结构如下 牛刀小试完成句子 1 johnreceivedaninvitationtodinner and 由于完成了工作 hegladlyacceptedit 答案 withhisworkfinished 2 youhavenoideahowshefinishedtherelayrace 脚受伤 somuch 答案 withherfootwounded 3 随着岁月的流逝 allofyouhavegrownintobigboysorbiggirls 答案 withtimegoingby 4 i dliketosteep 开窗 答案 withthewindowopen animalextinctionmanyanimalshavedisappearedduringthelonghistoryoftheearth themostfamousoftheseanimalsaredinosaurs theylivedontheearthtensofmillionsofyearsago longbeforehumanscameintobeingandtheirfutureseemedsecureatthattime thereweremanydifferentkindsofdinosaurandanumberofthemusedtoliveinchina theeggsoftwenty fivespecieshavebeenfoundinxixiacounty nanyang henanprovince notlongago ararenewspeciesofbird likedinosaurwasdiscoveredinchaoyangcounty liaoningprovince whenscientistsinspectedthebones theyweresurprisedtofindthatthesedinosaurscouldnotonlyrunliketheothersbutalsoclimbtrees theylearnedthisfromthewaytheboneswerejoinedtogether dinosaursdiedoutsuddenlyabout65millionyearsago somescientiststhinkitcameafteranunexpectedincidentwhenahugerockfromspacehittheearthandputtoomuchdustintotheair othersthinktheearthgottoohotforthedinosaurstoliveonanymore nobodyknowsforsurewhyandhowdinosaursdisappearedfromtheearthinsuchashorttime weknowmanyotherwildplants animals insectsandbirdshavediedoutmorerecently accordingtoaunreport some844animalsandplantshavedisappearedinthelast500years thedodoisoneofthem itlivedontheisla