归纳拓展calm作形容词，可以描述人的情绪，意为“镇静的；沉着的”，在句中作表语或定语；calm还可以描述海洋、天气等，意为“风平浪静的；无风的”。常用短语：keepcalm保持平静calm作动词，意为“使镇静；使平静”。常用短语：calmsb.down使某人平静下来calm还可以作名词，表示平静或宁静的状态。常用短语：thecalmbeforethestorm暴风雨前的平静学会运用18:“Don’tworry,boysandgirls.I’llhelpyou,”shesaidina__________（平静的）voice.学会运用19:Youlookveryangrynow.Ithinkyoushouldsitdownand_______yourmind.A.guide B.remindC.calm D.separatecalmC学会运用20:情况紧急时，保持冷静是很重要的。It’simportantto___________________inanemergency.学会运用21:你应当冷静下来仔细想一想Youshould__________________andthinkcarefully.keepcalmcalmdown8chance/t?ɑ?ns/n.机会；可能性adj.意外的；偶然的(教材P74)(观察)·Nowitisyourchancetotalktoteachers.现在就是你和老师谈话的机会了。·Itwasaslimchancetofinishtheworkontime.按时完成这份工作的可能性很小。·Althoughthereislittlehope,Ishouldtakeachance.尽管希望不大，我还是应当冒险一试。·Ihopetohaveachancetotravelaroundtheworld.我希望有机会环游世界。·Imetmyoldfriendbychanceattheairport.我碰巧在机场遇到了我的老朋友。·IfoundthekeybyaccidentwhenIwascleaningtheroom.我打扫房间时偶然发现了这把钥匙。·Itwasachancemeetingthatchangedmylife.那次偶然的会面改变了我的一生。归纳拓展chance作名词，意为“机会；可能性”时，常用作可数名词。常用搭配：aslimchance很小的机会haveachance有机会takeachance冒险bychance相当于byaccident，意为“偶然；碰巧”。chance作形容词，意为“意外的；偶然的”。学会运用22:Ifyouwanttosucceed,youmusttakeeceryc.学会运用23:[苏州改编]China’sEV(电动汽车)industryisnowfacingbothchallengesand___________(机会).学会运用24:Therabbitfellintoatrap(陷阱)byaccident.(同义句转换)Therabbitfellintoatrap______________________.学会运用25:只要你努力工作，你一定会有机会的。Aslongasyouworkhard,youwillsurely_________________________________.hancechancesbychancehaveachance9difficulty/d?f?k?lti/n.困难；难题（教材P75）(观察)·ImetalotofdifficultieswhenIfirstmovedtoanewcitylastyear.去年我刚搬到一座新城市时遇到了很多困难。·Wewilltryourbesttoovercomethedifficulties.我们会尽最大努力克服困难。·Ihadnodifficultyincommunic