Unit 3 Under the seaStep 1 课前准备——单元考点自查自测1.词汇分层级识记过关2.语境活用填写过关3.经典句式背诵仿写过关4.类词巧积累事半功倍(一)分门别类攻单词——识形辨意·拓展应用(二)写用结合记短语——译写短语·语境活用(三)仿写活用练句式——经典句型·仿写背诵Step 2 课堂探究——核心考点点点突破1.重点难点考点学通练透2.归纳总结拓展开阔视野3.方法规律技巧权威点拨4.面面俱到打创高效课堂第一时段Warming up & Reading1．witness vt. 当场见到；目击vi. 为……作证(to) n. 目击者；证人；证据[教材原句] I thought, at the time, that this was just a story but then I witnessed it with my own eyes many times.当时我以为这只不过是一个故事罢了，但是后来我亲眼见过很多次。
(1)witness sth./that... 目击……witness to(doing) sth. 证实/证明(做)某事(2)a witness of/to sth. ……的目击者/见证人/证明/证据单句语法填空①The late twentieth century ________(witness) the rapid development of China's economy.②The worker witnessed to ________(see) the accused near the scene of the crime.③What the police did first was to interview all the ________(witness) to the accident last week.完成句子④With the advent of the Internet，we __________________the most important change in our lifestyles in the past 100 years.随着网络的出现，我们在过去的100年里见证了生活方式最重要的变化。
[答案] ①witnessed②having seen③witnesses④have witnessed[方法规律] 在短语witness to中，to为介词，其后要跟名词、代词或动名词。
2．urge vt. 催促；极力主张；驱策n. 强烈的欲望；冲动[教材原句] “Man overboard! Turn the boat around！”urged George, shouting loudly.乔治大声喊道“有人落水了！把船头调回去！”(1)urge sb. to do sth. 催促某人做某事urge sth. on sb. 极力主张某人某事urge/it is urged that... (should) do sth.极力主张……(2)have an urge to do sth. 渴望做某事(3)urgent adj. 紧急的；迫切的；急迫的(4)urgency n. 紧急；催促单句语法填空①Our teacher urges us ________(study) hard with the College Entrance Examination drawing near.②I have ________ urge to help people out when they're in trouble.③I make an ________(urge) appeal that measures should be taken to cope with the situation.④________(urge) by his parents, he decided to participate in the Maths Olympiad Competition.句型转换⑤The teacher urged that we (should) read as many books in English as possible.→__________________ as many books in English as possible.[答案] ①to study ②an ③urgent ④Urged ⑤It was urged that we(should) read3．abandon vt. 遗弃；抛弃；放弃；中止；使放纵；使听任n. 放任；放纵[教材原句] From James's face, I could see he was terrified of being abandoned by us.从詹姆斯的脸上我能看出他非常恐慌，害怕被我们遗弃。
(1)abandon oneself to... 沉湎于……；纵情于……abandon doing sth. 放弃做某事(2)abandoned adj. 被遗弃的；放纵的be abandoned to 沉湎于……单句语法填空①They should abandon ________(play) computer games and cheating in the exams.②Without worrying about anything, she abandoned herself ________ a life of pleasure.③Soon they reached an ________(abandon) temple, where there once lived an old monk.④He is abandoned to ________(read) all kinds of books in his spare time.一句多译他沉迷于写小说，没有通过考试。
⑤____________________，so he didn't pass the exam.⑥__________________，he didn't pass the exam.⑦_________________，he didn't pass the exam.[答案] ①playing ②to ③abandoned ④reading ⑤He abandoned himself to writing novels ⑥Abandoning himself to writing novels ⑦Abandoned to writing novels4．help(...) out帮助(某人)摆脱困境或危难；协助；使(某人)脱离困境[教材原句] What evidence was there that Old Tom was helping the whalers out?有什么证据能说明老汤姆帮助捕鲸者摆脱险境？(1)help sb. with/(to) do sth.帮助某人某事/做某事can't help doing sth. 忍不住做某事can't help but do sth. 只得做某事；不得不做某事help yourself(to sth.) 随便自己动手(吃/用……等)(2)with the help of sb.＝with one's help在某人的帮助下单句语法填空①You can't help but ________(start) moving when you hear this song.②I can't help ________(clean) the room, because I have to do my homework.③He was brought in from Toronto to help ________ the local police.④Everybody couldn't help ________(laugh) when they saw it.⑤I always end up having an argument with her. I don't know why, but I just can't help ________.⑥I have been busy with my study and seldom helped my parents ________ the housework.[答案] ①start②(to)clean③out④laughing⑤it⑥with5．“see... being done”结构[教材原句] As we drew closer, I could see a whale being attacked by a pack of about six other killers.随着我们的逼近，我能看见一条鲸鱼正在被其他六条虎鲸袭击。
(1)句中being attacked是现在分词的被动语态，在句中作宾语补足语。
①(2015·浙江卷)Listening to music at home is one thing, going to hear it ________________ live is quite another.在家里面听音乐是一回事，去到现场听又是另一回事。
(2)being done在句中作定语。
②The building ____________ will be a hospital.正在建的大楼将是一个医院。
(3)being done在句中作状语。
③________________ the traffic, he hasn't come to the office.被困在路上，他还没到办公室。
[答案] ①being performed②being built③Being caught in6.was dragged7.depths8．being abandoned 9.to climb 10.out第二时段Learning about Language & Using Language 1．reflect vt.映射；反射；反映；思考vi.思考[教材原句] I'm sitting in the warm night air with a cold drink in my hand and reflecting on the day—a day of pure magic!我坐在温暖的夜空下，手里拿着一瓶冷饮，回忆着当天的事情——这是神奇的一天！(1)reflect... in... 在……中映出……的影像be reflected in 倒映在；反映在reflect on/upon sth. 反省/认真思考某事(2)reflection n. 反射；反照；反映；映像；沉思on reflection 再三考虑单句语法填空①As well as a day of celebration, a birthday is also a time for reflecting ________ your life and reviewing your life.②The cat felt curious when she saw her own ________(reflect) in the mirror.③When the sun's rays hit the earth, a lot of heat ________(reflect) back into space.④With the white walls ________(reflect) the light, the room looks warm and bright.完成句子⑤Carefully ________________ his past mistakes, Ted realized that he had stayed around the wrong people.仔细思考他过去的错误后，特德意识到他和错误的人待在了一起。