服/务/教/师免/费/馈/赠返回菜单RJ英语·必修2探究·核心知识1.decreasevt.&vi.减少;(使)变小或变少n.减少;降低(教材P25)Iftheirhabitatisthreatenedortheycannotfindenoughfood,theirnumbersmaydecrease.如果它们的栖息地受到威胁或是它们找不到足够的食物,它们的数量就会减少。①onthedecrease在减少{反义词}ontheincrease在增加②decreaseto...减少到……decreaseby...减少了……decreasefrom...to...从……减少到……Themistakeshehasmadeareonthedecrease.他犯的错误正在减少。Thenumberofnewstudentsdecreasedfrom210to160thisyear.今年新生人数从210减少到160。Thepriceofwheathasdecreasedby15%.小麦价格降低了15%。介词填空①Theclubmembersdecreased________twohundredcomparedwithlastyear.②Thehousingpriceishopedtodecrease________10%thisyear.③Toourdelight,varietiesofbirdsintheforestare________theincrease.【答案】①to②by③on2.dieout灭绝;逐渐消失;(教材P25)Asaresulttheseendangeredanimalsmayevendieout.结果,这些濒危动物甚至会灭绝。dieaway(声音、风、光等)慢慢变弱,渐渐消失diedown(兴奋、火等)渐弱,渐息,平息dieoff(家庭、种族等)相继死亡,(草木)先后枯死Asthesoundofthemusicdiedaway,thefilmcametoanend.随着音乐声渐渐消失,电影结束了。Theappletreesinthefieldarealldyingofffromdisease.地里的苹果树一棵接一棵地病死了。用适当的介词填空①Nooneknowsforsurewhydinosaursdied________.②Theleavesofthetreearedying________.【答案】①out②off服/务/教/师免/费/馈/赠返回菜单RJ英语·必修2lossn.损失;丧失;遗失sufferaloss遭受损失beataloss不知所措;困惑;亏本e.g.Theysufferedaheavylossasaresultoftheterribleaccident.Honestlyspeaking,I'matalosswhattodonext.3.huntvt.&vi.打猎;猎取;搜寻(教材P25)toomuchhuntinginthe1950s二十世纪五十年代的过度捕杀Atonetimemanhadtohunttosurvive.从前人类要以打猎为生。huntforsth.搜索;寻找某物huntsp.forsb./sth.搜索某地寻找某人/物huntafter追逐,追求gohunting去打猎e.g.He'sonholidayinAfrica,huntingforanimals.他正在非洲度假,打猎。完成句子①他一直在找工作。Hehasbeen____________ajob.②他们搜遍树林寻找从动物园里逃出来的狮子。They________thewood________thelionescapingfromthezoo.③很多人一生追逐名利,但是总不能成功。Manypeople________________fameintheirlivesbutneverfindit.【答案】①huntingfor②hunted;for③huntafter4.indanger(of)在危险中;垂危(教材P25)Whyaretheyindangerofdisappearing?它们为什么处于灭绝的危险中呢?Heisindangeroflosinghisjobifhegoesonlikethis.他再这样下去会丢掉工作的。①outofdanger脱离危险beadangertosb./sth.对某人/某物是个威胁②dangerousadj.危险的(指事物或人对别人有危险)③endangervt.危害;危及endangeredadj.濒临灭绝的endangeredanimalsThewoundedpolicemanisnowoutofdanger.受伤的警察已脱离危险。Heisadangerousperson;keepawayfromhim.他是个危险人物,不要接近他。indanger/dangerousdangerous指人、物、事态可能引起危险的,对别人构成威胁的。indanger指人或物本身处于危险中,受到外来的威胁。语法填空①Wemustdosomethingtorescuetheoldtemple.It's________danger.②Itis________(danger)toswimintheriver.③Thepatientisnow________ofdanger.【答案】①in②dangerous③out服/务/教/师免/费/馈/赠返回菜单RJ英语·必修25.respondvi.回答;响应;做出反应(教材P26)Daisyrespondedimmediately.“I'dliketoseesomeendangeredwildlife,”shesaid.戴茜马上回答,她说:“我想去看看一些濒临灭绝的野生动植物。”Iaskhimhisname,buthedidn'trespond.我问他叫什么名字,可他没回答。Healwaysrespondstomyquestionswithoutanypatience.他总是很不耐烦地回答我的问题。Inspiteofhearingthequestion,hemadenoresponsetoit.尽管听到了这个问题,他也没有做出回应。①respondto...回应……;对……做出反应respondbydoingsth.以某种方式回应②responsen.响应;回答③inresponseto作为对……的答复/反应(通常作状语)makeresponseto对...做出反应(强调动作)用respond的适当形式填空①她收到我的信时,给我回了个电话。She____________myletterwithaphonecall.②这种产品是为了满足顾客的需要而开发的。Theproductwasdeveloped________customers'demand.③Hegaveno________(respond)tomyquestion.【答案】①respondedto②inresponseto③response6.(教材P26)“PleasetakemetoadistantlandwhereIcanfindtheanimalthatgavefurtomakethissweater.”请带我到一个遥远的地方,在那里我可以找到一种动物,用它的毛皮来制作这件毛衣。【句式分析】where引导的是一个定语从句,修饰land。在这个定语从句中,还有一个that引导的定语从句,修饰animal。Isthistheplacewheretheywenthuntinglastweek?这是他们上周打猎的地方吗?HaveyoueverbeentoQingdao,wheretherearebeautifulbeaches.你去过青岛吗?那里有美丽的沙滩。SitwhereIcanseeyou.坐在我能看到你的地方。Thisiswhereshelives.这就是她的住处。判断下列句子中where引导何种从句①ThisistheplacewhereIwasborn.________②Wherethereisawill,thereisaway.________③Let'sstartfromwherewestoppedyesterday.【答案】①定语从句②状语从句③宾语从句7.(1)reliefn.(痛苦或忧虑的)减轻或解除;减轻痛苦的事物;缓解;宽慰(教材P26)InreliefDaisyburstintolaughter.戴茜如释重负,突然大哭起来。Itwasarelieftobeabletotalktosomeoneaboutit.能和别人谈谈这件事,舒心多了。①reliefof/from……的减轻/消除inrelief如释重负;松了口气toone'srelief令人感到欣慰的是②relievevt.减轻;缓解;消除relievesb.ofsth.帮某人减轻(负担)Hearingthenews,hebreathedinrelief.听到这个消息,他如释重负地松了口气。Toourrelief,theyallgothomesafely.他们都安全地到家了,让我们松了口气。Letmerelieveyouofsomeofyourbags.让我帮你拿几个袋子吧。完成句子①Seeingthebabyfallasleep,theyoungmother____________(欣慰地笑了).②药物帮助缓解疼痛。Drugshelpedto________________(缓解疼痛).【答案】①smiledinrelief②relievethepain8.mercyn.仁慈;宽恕;怜悯(教材P26)Farmershunteduswithoutmercy.农民毫不留情地捕杀我们。It'samercyshewasn'tseriouslyhurt.很幸运她伤得不重。①showmercytosb.怜悯某人=havemercyon对……表示怜悯atthemercyof任凭……的摆布;在……的支配中withoutmercy残忍地,毫无同情心地②mercifuladj.仁慈的;宽大的Thekindmanshowedmercytothechildwhoishomeless.这个好心人对这个无家可归的孩子表示怜悯.Wehadnochoiceandhadtobeatthemercyofthesea.我们别无选择,只好受大海的摆布。在下列各句中填入恰当的动词或介词①He________mercytothepeopleintrouble.②They________littlemercyontheirenemy.③Thecruelbossusuallytreatshisworkers________mercy.【答案】①showed②had③without9.certainadj.确定的;一定的;某一;某些(教材P26)Theyallowedtouriststohuntonlyacertainnumberofanimalsiftheypaidthefarmers.如果游客付给农民钱的话,他们允许游客猎取一定数量的动物。ThereisacertainMr.Smithonthephoneforyou.有位史密斯先生打电话找你。Iwascertainthathehadseenme.①becertainof/aboutsth对……有把握,确信……becertaintodosth.确定做某事makecertainof/about/that...确定某事Itiscertainthat...一定能……forcertain=forsure确定无疑地,准确地②ce