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1、 Uint3 Under the sea 导学案 Words and expressions1 .witnessn.目击者；证人；证据vt.当场见到；目击One witness to the accident said that the driver appeared to be drunk.事故的一位目击者说司机看上去好像喝醉了. His good health is a witness to the success of the treatment.他身体健康证明这种疗法是成功的。He witnessed to having seen the man enter the room.他证明看
2、到那个人进了房间。Police have appealed for anyone who witnessed the incident to contact them.警方呼吁凡是目击这一事件的人与他们联系。2 .flee(fled，fled)vi.& vt.逃走，逃避；消失，消散He fled to London after an argument with his family.他与家人争吵以后离家去了伦敦。He was caught trying to flee the country._他试图逃离该国时被抓住。_Why does he always flee any kind of r
3、esponsibility ?他为什么总是逃避任何责任？His hopes fled when he lost the election. _当他落选时，他的希望就破灭了。即境活用The thieves have already_the city，so it is difficult for the police to arrest them.Afled Brun away Cescaped Dgot rid of选A。表示“逃离某地”时，run away和escape后需加from，get rid of则不合句意。3 .abandonvt.遗弃；抛弃；中止；(与oneself连用)使放纵，使
4、听任n放任；放纵Rescuers abandoned all hope of finding any more survivors of the crash.援救人员完全放弃了会再找到坠机生还者的希望。_We must urge people who smoke to abandon the habit._我们必须敦促吸烟的人戒烟。Hong Zhanhui brought up a girl abandoned by her parents._洪战辉抚养了一个被父母遗弃的女孩。The match was abandoned because of bad weather._比赛因天气恶劣而取消了
5、。即境活用那个孩子被他的父母遗弃了，后来有人发现那个被抛弃的孩子在大街上游荡，他已陷入了绝望。The child _ _ by his parents.Eventually the _ boy was found wandering in the street，_ himself to despair.答案：was abandoned；abandoned；abandoning4 .urgevt.催促；极力主张；驱策Katys family urged her to find another job._凯蒂的家人催促她去找另一份工作。The report urged that all child
6、ren be taught to swim._这份报告呼吁给所有的儿童教授游泳。He urged on his pupils the importance of hard work. _他向学生们力言努力学习的重要性。_即境活用我极力主张应该立刻采取措施阻止这样的事情再发生。I urged that we_ _ _to prevent such things happening again.答案：take immediate action 5 .reflectvt.映射，反射 vi.& vt.思考When the suns rays hit the earth，a lot of the hea
7、t is reflected back into space.太阳光线照射到地球时，大量的热被反射回太空。Our newspaper aims to reflect the views of the local community.我们的报纸旨在表达当地人们的心声。Before I decide， I need time to reflect.在我决定前，我需要时间认真考虑。After long reflection we decided to buy that house.经过长时间的慎重考虑，我们决定买下那所房子。 (1)肖恩对祖国的爱在他最近出版的诗歌里反映出来。Seans strong
8、 love for his country is _ in his recently published poems.答案：reflected(2)你应该留出时间反思你的成功和失败.You should set aside some time to _ _ _ _ _ _.答案：reflect on your successes and failures4. drag vt6 .help(.)out 帮助(某人)摆脱困境或危难；协助；使(某人)脱离困境When I bought the house，my sister helped me out with a loan.我买这所房子时，我姐姐借
9、给了我一笔钱解了急。As he is my best friend，when I am in trouble he will certainly help me out. 因为他是我最好的朋友，当我遇到麻烦时他肯定会帮我。 He couldnt help to wash the clothes.他不能帮忙洗衣服。即境活用(1)My father has often _ me _ when Ive been a bit short of money.Asent；outBdriven；off Chelped；out Dpulled；in解析：选C。考查短语辨析。help sb.out帮助某人摆脱困
10、境。(2)The passengers had a chat with the college students_as conductors during the summer vacation.Ahelp out Bhelped out Cto help out Dhelping out解析：选D。本题考查非谓语动词。动词不定式作后置定语表示一个将要发生的动作，过去分词表示一个已经发生了的被动的动作，故B、C两项不符合题意。句意：旅客们同那几个在暑假临时帮忙充当列车员的大学生聊天。7. become aware of 对知道、明白、意识到Most people are aware of th
11、e dangers of driving after drinking.大多数人知道酒后开车的危险。We are not aware(of) what he is longing for. _我们不知道他在渴望什么。即境活用Most parents are not _ the danger of their babieseating jelly，which causes most unfortunate incidents to happen.Awell aware toBvery aware of Caware that Dwell aware ofGrammar：现在分词的被动Revisi
12、on观察下列句子，分析句中现在分词分别做什么成分。1.Swimmingisgoodforhealth.2.Teachingislearning.教学相长3.Toseeistobelieve.=Seeingisbelieving.4.Wewouldappreciatehearingfromyou我们会珍惜你的来信。5. Heaskedanembarrassingquestion.他提了一个令人难堪的问题。6.Alittlechildlearningtowalkoftenfalls.正在学走路的小孩子经常摔着。7.Themenworkinghereareallfromtheruralareas.在
13、这儿工作的男人都来自乡村地区。8.Climbingtothetopofthetower,wesawamagnificentview.9.Knowingthathewastired,Itoldhimtohavearest.10.Turningtotheright,youwillfindapathleadingtohiscottage.11.Admittingwhatshehassaid,Istillthinkthatshehasnttriedherbest.12.Heranuptoherbreathingheavily.13.Itrainedheavily,causingseverefloodi
14、nginthatcountry.14.Havingansweredtheletter,shewentontoreadannovel.15.Nothavingreceivedareply,hewenttherehimself.复习总结：1.动名词和不定式都可以作主语，动名词作主语表示一般或抽象的多次性行为，不定式作主语往往表示具体的或一次性的动作。如：Playingwithfireisdangerous.（泛指玩火） Toplaywithfirewillbedangerous.（指一具体动作）2.Itsnouse(good)doingsth. Itsawasteof timedoingsth. it作形式主语,只用V-ing,不用不定式。 Itis+adj.+ (for sb.) to do sth. Itisnousecrying
