Unit 3 words and expressions -ppt课件--(2022)高中英语新人教版选择性必修第四册.pptx

1、Unit3 Sea ExplorationWords and Expressions1 set sailObserve the pictures on the rightHowever,merchants and explorers from the East set sail from east to west many years before Columbus first did.起航；航行；set off 出发=set out for;set off 引发；set off 使爆炸set out to do=set about doing 开始着手做set down 写下；记下；放下；让

2、某人下车=write down=take down；set aside=put aside；把放一边Sset up 建立=establish=found 小试牛刀小试牛刀1My nephew is just _ (set)out on a career in journalism.2 Maybe I should _ a minute a day to count my blessings.3 The car _(set)aside already and out of use.4 What he said _ a heated discussion.settingset asidehas b

3、een setset off2 extendObserve the sentences on the right1.A trading route across the sea was also extended along the coasts of the Indian Ocean,centered around Ceylon2.Extend your left hand.3.The chairman extended a warm welcome to the guest speaker.扩展；延长；伸开;给予 extend a fence/road/house 扩建护栏扩建护栏/公路公

4、路/房子房子 extend a deadline/visa 延长最后期限延长最后期限/签证签证 n.extension 扩大；延伸扩大；延伸;延长期延长期 adj.extensive 广阔的；巨大的广阔的；巨大的 同义词：同义词：expand【语境应用语境应用】用用extend的正确形式填空。的正确形式填空。1)Albert has got a two-month _ to finish his paper.2)Tracys knowledge of music is _.3)The shop has recently _ its opening hours.4)His land _ from

5、 the house to those trees.extensionextensiveextendedextends3 negotiateObserve the sentences on the right1The government will not negotiate with terrorists.2We have been negotiating for more pay.3The issue is still under negotiation.1 谈判谈判2 协商协商3 达成（协议）达成（协议）n.negotiationnegotiate with.同同协商；谈判；交涉协商；谈

6、判；交涉negotiate for.为为谈判谈判under negotiation 正在商讨正在商讨【拓展拓展】negotiation n.谈判谈判，商谈商谈 negotiable adj.可可协商的，可讨论协商的，可讨论的的 negotiator n.谈判代表谈判代表1 They begin another round of _(negotiate)today.2 The issue is still _ negotiation.3 We intend _(negotiate)with new partner.negotiationsunderto negotiate4 withdraw1

7、撤退撤退2 收回（发言、收回（发言、意见）意见）3 提取提取n.withdrawal1 Government troops were forced to withdraw.2 The minister withdrew his statement later.3 I wanted to withdraw$4,000 from my bank account.4 withdraw a remark 撤回评论撤回评论5 withdraw/withdrew/withdrawnObserve the sentences on the right点击此处添加标题1 The couple _(withdr

8、aw)from house swiftly when the earthquake happened.2 He has decided to withdraw _ the competition.3 It is a totally successful _ (withdraw).withdrewfromwithdrawal5 channel1 频道频道2 渠道渠道3 海峡海峡1 CCTV sixth princess is a spoiled channel.2 Music is a great channel for releasing your emotions.3 The English

9、 Channel separates England and France.Observe the sentences on the right点击此处添加标题写出下列句子中画线部分的汉语释义。写出下列句子中画线部分的汉语释义。1.Theres an interesting programme on channel 4 tonight._2.We must open the channels of communication between the two countries._ 3.If you have nothing to declare,go through the green cha

10、nnel._ 频道频道途径；途径；渠道渠道通道通道6 applaud1 鼓掌鼓掌2 称赞称赞3 赞赏赞赏 n.applause1 She was applauded as she came on stage.2 We applaud her decision.3 I applaud her for having the courage to refuse.4 a round of applause.一阵掌声一阵掌声Observe the sentences on the right1 They greeted him with thunderous _（applaud）.2 The crowd

11、 stood _(applaud)the scientists for their important sea research work.3 They rose to applaud the speaker _ her excellent speechapplauseto applaudfor7 mercy1 They showed no mercy on their hostages.2 Im not going to put myself at the mercy of the bank.3 We were at the mercy of the weather.1 仁慈2 at the mercy of受摆布；任处置3 with mercy同情的同情的 4 adj.merciful 仁慈的仁慈的Observe the sentences on the right1 May the God has mercy _ your soul.2 Ordinary people are _ the mercy of fierce enemies.3 It is _(mercy)that you spare her mistake.onatmercifulThank you