2019届一轮复习人教版选修七Unit3Underthesea单元学案（23页word版）

2019届一轮复习人教版选修七Unit3Underthesea单元学案（23页word版）

‎2019届一轮复习人教版选修七Unit 3Under the sea单元学案 单元基础词汇 ‎1．beach n．__沙滩__‎ ‎2．surface n．__水面；表面__‎ ‎3．serious adj.__严重的__‎ ‎4．wave n．__波浪__‎ ‎5．shallow adj.__浅的__‎ ‎6．still adj.__平静的；静止的__‎ ‎7．fresh water__淡水__‎ ‎8．freezing point__冰点__‎ ‎9．off the coast of...__在……海岸附近__‎ ‎10．sea animals and plants__海洋动植物__‎ ‎11．ocean environmental protection__海洋环保__‎ ‎12．the __depths__ of the sea海洋深处 ‎13．be abundant __in__……丰富；富含……‎ ‎14．be __greatly__ surprised/astonished惊奇不已 ‎15．World Ocean Day__世界海洋日__‎ 单元好句 ‎1．The sea water is mainly__ composed of__ water and salt.‎ 海水主要是由水和盐组成的。‎ ‎2．The sea looks beautiful on a fine day. But__ it can be ‎ very rough__ when there is a strong wind.‎ 在晴朗的日子，大海看起来很美，可是在刮大风时，大海很粗暴。‎ ‎3．Let us__ take you deep into__ the ocean,__ discover mysterious wild life__ and face the challenges that come in front of you.‎ 让我们带你去到海洋深处，发现神秘的野生动植物，面对出现在你面前的任何挑战。‎ 词汇素养　‎ Ⅰ.单词识记 ‎1．__pause__vi.& n．暂停；中止 ‎2．__witness__vt.当场见到；目击　n．[C]目击者；证人；[U]证据 ‎3．__abandon__vt.放弃；遗弃； 抛弃→__abandoned__adj.被遗弃的；放纵的 ‎4．__aware__adj.意识到；知道的→__awareness__n.[U]意识；觉悟 ‎5．__reflect__v.思考；反射→__reflection__n.[U]反射；[C]反映 ‎6．__urge__vt.催促；极力主张；驱策→__urgent__adj.紧急的；急迫的 ‎7．__narrow__adj.狭窄的；有限的；狭隘的→__narrowly__adv.勉强地；狭窄地 ‎8．__depth__n.[C，U]深(度)；深处→__deep__adj.& adv ‎.深的(地)→__deeply__adv.深深地→__deepen__v.使加深；使强烈；变深；变低沉 ‎9．__scare__vt.恐吓 vi.受惊吓→__scared__adj.恐惧的；害怕的→__scary__adj.恐怖的；可怕的 ‎10．__accommodation__n.[U]住所；住宿→__accommodate__vt.提供住宿；(熟词生义)容纳 ‎11．__tasty__adj.好吃的；可口的→__taste__n.味道 v．品尝→(反义词)__tasteless__adj.无味的；不可口的 ‎12．__vivid__adj.生动的；鲜明的→__vividly__adv.清晰地 ‎13．target n．__目标；_靶；受批评的对象__‎ ‎14．shallow adj.__浅的；肤浅的；浅显的__‎ ‎15．opposite prep.__在……对面__　adj.__相对的；相反的__‎ Ⅱ.词汇运用 ‎1．(2016·四川卷)It was a fun thing but I was __scared__(scare) from the start.‎ ‎2．(2016·浙江卷)The next time you feel the urge __to_spread__(spread) the latest news, think about why you want to gossip.‎ ‎3．(2016·浙江卷)When the time came to make the final decision for a course, I decided to apply for the one that __reflected__(reflect) my interest.‎ ‎4．(2015·广东卷)He owned a farm, which looked almost __abandoned__(abandon)．‎ ‎5．(湖北卷)My mindless words might have hurt him __deeply__(deep)．‎ ‎6．The boy's pencil isn't__sharp__,_so he__sharpens__it with his__sharpener__.(sharp)‎ ‎7．Though the soup is__tasty__,_I've lost my sense of__taste__and it__tastes__just like __tasteless__water.(tasty)‎ ‎8．Some workers work__deep__into the night just to__deepen__the small lake to the__depth__of 6 meters.(deep)‎ Ⅲ.单词巧记 ‎1．几组常见反义词速记 ‎①narrow__窄的 →wide__宽的 ‎②shallow__浅的 →deep__深的 ‎ ‎③sharp__锋利的 →blunt__钝的 ‎2．含词根“viv/vit(生命)”的常见单词面面观 ‎①vivid adj.生动的 ‎②revive vt.复活 ‎③revival n．复活 ‎④survive vi.& vt.存活；幸存 ‎⑤survival n．存活；幸存 ‎⑥vital adj.有活力的；重要的 ‎⑦vitamin n．维生素 ‎3．含“－rrow”的词一览 ‎①narrow adj.狭窄的 ‎②arrow n．箭头 ‎③borrow v．借 ‎④sorrow n．伤心 ‎⑤sparrow n．麻雀 ‎4．以后缀－th结尾的名词 ‎①depth深度 ‎②width宽度 ‎③length长度 ‎④truth真理 ‎⑤growth成长 ‎⑥youth青年 短语速记 Ⅰ.短语默写 ‎1．__aim at__瞄准；力求达到　　‎ ‎2．__ahead of__优于；在……前面 ‎3．__get close to__靠近__‎ ‎4．__be about to do__即将；将要 ‎5．__(be) scared to death__吓得要死；害怕得要命 ‎6．__be/become aware of__对……知道、明白；意识到……‎ ‎7．__upside down__上下翻转 ‎8．__in the meantime__在此期间；与此同时 ‎9．__help(...) out__帮助(某人)摆脱困境或危难 ‎10．__hold(...) up__举起；抬起；支撑；阻挡；使延误 Ⅱ.短语填空 ‎1．__Aiming at__improving his__grades，his parents sent him to the evening school.‎ ‎2．Looking__for__his__lost__magazine，the man turned the ‎ whole room__upside down__.‎ ‎3．More and more people are__becoming aware of__the dangers of air pollution.‎ ‎4．—Do you work in this office?‎ ‎—No，as a clerk in this office is on vacation，I'm just__helping out__here for about a week.‎ ‎5．The conference will begin in an hour；__in the meantime__，let's have a chat.‎ ‎6．From__now__on，don't__take__me__to watch horrible__movies.I__was scared to death__last night.‎ Ⅲ.联想归纳 ‎1．“v.＋at”动词短语荟萃 ‎①aim at瞄准 ‎②point at指向 ‎③knock at敲(门等)‎ ‎2．hold相关短语集合 ‎①hold up耽搁；举起 ‎②hold on坚持；稍等 ‎③hold back踌躇；阻止 ‎④hold out维持；坚持 ‎⑤hold off推迟 句式悟通 背会原句 知晓考点 我会仿用 ‎1.It was a time when It was time when...‎ ‎ the killer whales helped the whalers catch the baleen whales that were on their annual migration.‎ 那个时期，杀手鲸帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。‎ ‎“曾经一度(那时)”，when引导的是定语从句，修饰time。‎ ‎1.我曾一度迷恋网络游戏。‎ ‎__It was a time when I was addicted to playing__ computer games.‎ ‎2.This was the call that announced there was about to be a whale hunt.‎ 这是宣告捕鲸行动马上就要开始的呼声。‎ be about to do sth.意为“正要做某事”。‎ ‎2.我正要做作业这时停电了。‎ I__ was about to do my homework__ when the power was cut off.‎ ‎3.The water was quite shallow but where the reef ended, there was a steep drop to the sandy ocean floor.‎ 水很浅，但到了珊瑚礁的尽头，就有一个陡坡，一直下降到满是沙子的海底。‎ where引导地点状语从句。‎ ‎3.作为年轻人，我们应该学会在我们跌倒的地方站起来。‎ As young men, we should learn to stand up__ where we fall__.‎ 精 研 词 汇 短 语 ‎1．witness vt.当场见到；目击　n．目击者；证人；证据 归纳拓展 ‎(1)a witness to sth.某事的证人/证明 give witness to sth.为……作证；证明 ‎(2)witness for 为……作证 witness to sth./doing sth.证实/证明(做)某事 温馨提示 英语中常使用拟人修辞手法的句子，主语通常是表示时间、地点或心爱之物，如车、船等的名词，谓语动词常为witness, see, find等。‎ 多维训练 用所给词的适当形式填空。‎ ‎①Our city__witnesses__(witness) four different seasons，plenty of sunshine and good rainfall, but in winter you may feel a little cold.‎ ‎②The driver witnessed to__having seen__(see) the man enter the building.‎ 补全句子。‎ ‎③His good health is__a witness to__ the success of the treatment.‎ 他的健康身体证明这种疗法是成功的。‎ ‎④(2016·上海)The late twentieth century __witnessed the rapid development__ of China's economy.‎ 二十世纪末中国经济迅速发展。‎ ‎2．urge vt.催促；极力主张；驱策　n．强烈的欲望；冲动 归纳拓展 ‎(1)urge sb.to do sth.催促某人做某事 urge that...(should)do sth.极力主张；强调……‎ It is urged that...(should)do sth.坚决要求……‎ ‎(2)urgent adj.紧急的；迫切的 ‎(3)urgency n．紧急；催促 多维训练 单句语法填空。‎ ‎①(2016·江苏高考)Parents should actively urge their children__ to take__(take) advantage of the opportunity to join sports teams.‎ ‎②It is strongly urged that the library__ be kept__(keep) open during the vacation.‎ ‎③The people in the earthquake－stricken area are in__ urgent__(urge) need of food, medicine and shelters.‎ 一句多译。‎ 随着期末考试的来临，老师敦促我们努力学习。(urge)‎ ‎④Our teacher__ urged us to study hard__ with the final exam drawing near.‎ ‎⑤Our teacher__ urged that we should study hard__ with the final exam drawing near.‎ ‎⑥Our teacher__ urged us into studying hard__, as the final exam is drawing near.‎ ‎3．abandon vt.遗弃；抛弃；放弃；中止；(与oneself连用)使放纵；使听任　n．放任；放纵 归纳拓展 ‎(1)abandon one's hope/plan/idea放弃希望/计划/主意 abandon oneself to...沉湎于……；纵情于……‎ abandon doing sth.放弃做某事 ‎(2)with abandon____放纵地；放任地 ‎(3)abandoned adj. 无约束的；被遗弃的 be abandoned to 沉湎于……‎ 巧学助记 The child was abandoned by his parents.Eventually the abandoned boy was found wandering in the street, abandoning himself to despair.‎ 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。‎ 多维训练 完成句子。‎ ‎①The bad weather forced them to__ abandon their search__.‎ 恶劣的天气迫使他们终止了搜寻工作。‎ ‎②They__ abandoned carrying out__ the plan because of the lack of money.‎ 因为缺少资金，他们放弃了实施这项计划。‎ ‎③It was not until then that I realized how foolish it was of me to__ abandon myself to playing__ computer games.‎ 直到那时我才意识到自己迷恋电脑游戏是多么地愚蠢。‎ ‎④He owned a farm, which looked almost__ abandoned__.‎ 他有一座农场，看起来几近荒芜。‎ 一句多译。‎ 他抽烟成瘾，从而染上了肺癌。(abandon)‎ ‎⑤As he__ abandoned himself to smoking__, he suffered from lung cancer.(使用状语从句)‎ ‎⑥__Abandoning himself to smoking__, he suffered from lung cancer.(使用现在分词短语作状语)‎ ‎⑦__Abandoned to smoking__, he suffered from lung cancer.(使用过去分词短语作状语)‎ ‎4．reflect vt.映射；反射；思考　vi.思考 归纳拓展 ‎(1)be reflected in被反映在……；被映照在……中 reflect on/upon sth.仔细考虑/思考某事 reflect that...思考……‎ ‎(2)reflection n．反射； 反映；沉思；倒影；影像 be lost in reflection陷入沉思中 a reflection of……的反映 多维训练 完成句子。‎ ‎①(牛津高阶)His face__ was reflected__ in the mirror.‎ 他的脸映照在镜子中。‎ ‎②You should set aside some time to__ reflect on/upon__ your successes and failures.‎ 你应该留出时间反思你的成功和失败。‎ ‎③When the sun's rays hit the earth, a lot of heat__ is reflected__ back into space.‎ 太阳光线照射到地球时，大量的热量被反射到太空。‎ ‎④(2016·全国卷Ⅰ)In these cultures, silence is a call for__ reflection__.‎ 在这些文化中，沉默是要求沉思的一种征兆。‎ 高考小作文。‎ ‎⑤(重庆高考书面表达)这反映了当今青少年更关心手机而不是朋友的趋势。‎ ‎__It reflects that__ nowadays teenagers__ are more concerned about their phones__ instead of friends.‎ ‎5．opposite prep.与……相对　adj.相反的；不同的　n．相反的事物；对立的人/物/反面 归纳拓展 ‎(1)be opposite to在……对面 just the opposite恰恰相反 ‎(2)oppose vt.反对；反抗 oppose sb./sth.反对……‎ oppose doing sth.反对做某事 ‎(3)opposed adj.反抗的；抵抗的 be opposed to(doing) sth.反对做某事 be opposed to...与……相反 ‎(4)opposition n．抵抗；反对 多维训练 完成句子。‎ ‎①__Opposite__ is St. Paul's Church, where you can hear some lovely music.‎ 对面是圣保罗教堂，在那里你能听到一些美妙的音乐。‎ ‎②He lives in the house __opposite to__ ours.‎ 他住在我们对面的那栋房子里。‎ ‎6．scare vt.恐吓　vi.受惊吓 归纳拓展 be scared to death吓得要死 be scared of(＝be afraid of)害怕 be scared to do(＝be afraid to do)不敢做某事 scare ...away 把……吓跑 多维训练 用所给词的适当形式填空或完成下列句子。‎ ‎①I__ was scared to death__(吓得要死) when a big shark with sharp teeth suddenly appeared opposite me.‎ ‎②The violence left 91 people dead and__ scared away__(吓跑) tourists and investors.‎ ‎③Don't take me to see scary films from now on for I am scared__ to see__ (see) some frightening scenes.‎ ‎④To tell the truth, I am scared __of__ being dismissed.‎ ‎7．help sb.out 帮助某人摆脱困境或危难 归纳拓展 ‎(1)help sb.with/(to)do sth.帮助某人某事/做某事 ‎(2)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 ‎(3)help yourself(to sth.)随便自己动手(吃/用……等)‎ ‎(4)with the help of sb.＝with one's help 在某人的帮助下 多维训练 用help的相关词语完成下列小片段。‎ I promised my mother to ①__help her with__ the housework.But after she went out, I ②__couldn't help playing__ computer games.When I looked at the clock, I found my mother would be back in ten minutes, so ③__I couldn't help but ask__ my brother for help.At last, ④__with the help of__ him, I was ⑤__helped out__.‎ 我答应我妈妈要帮她做家务。等她出门后，我却情不自禁地玩起了电脑。当我看钟表的时候，发现我妈妈再过10分钟就回来了。我只能求我弟弟帮忙。在他的帮助下，我终于摆脱了困境。‎ ‎8．be/become aware of对……知道、明白；意识到……‎ 归纳拓展 ‎(1)be aware that...知道；体会到……‎ make sb. aware of/that...使某人注意到……；提醒某人注意……‎ ‎(2)awareness n．意识；认识； 察觉 develop an awareness of...培养……的意识 raise awareness提高认识 多维训练 单句语法填空。‎ ‎①(2017·全国Ⅰ)UNESCO(United Nations Educational,‎ ‎ Scientific and Cultural Organization) recently set April 30 as a day to raise __awareness__(aware) of jazz music, its significance, and its potential as a unifying(联合) voice across cultures.‎ ‎②At that moment I was __unware__(aware) that his error would lead to such big losses.‎ ‎③I became aware__of__ how lonely my mother must have been in Brazil herself.‎ 高考小作文。‎ ‎④(湖北高考书面表达)作为社会的一员，我意识到有责任感是建设一个更好的社会所需要的。‎ ‎__As a member of the society__,__ I am aware that__ being responsible is what it takes to make a better society.‎ 精 析 句 型 结 构 ‎　The water was quite shallow but where the reef ended，there was a steep drop to the sandy ocean floor.‎ 海水很浅，但是到了珊瑚礁的尽头，就有一个陡坡，一直下降到满是沙子的海底。‎ where...，there be...意为“在……地方，有……”，where引导地点状语从句。注意where引导地点状语从句和定语从句的区别。‎ 归纳拓展 ‎(1)where引导的地点状语从句修饰主句的谓语 ‎(2)where引导的定语从句修饰它前面的名词 多维训练 补全句子。‎ ‎①We will meet at 800 am at the gate，__where a blue bus will be waiting__.‎ 我们上午八点钟在门口集合，有一辆蓝色的公共汽车将在那里等着。‎ ‎②__Where there is life__，there is hope.‎ 有生命就有希望。‎ 句型转换。‎ ‎③The little girl who got lost decided to remain where she was and wait for her mother.‎ ‎→The little girl who got lost decided to remain__ in the place where__she was and wait for her mother.‎ ‎④A number of high buildings have arisen in the place where there was nothing a year ago but ruins.‎ ‎＝A number of high buildings have arisen__ where__ there was nothing a year ago but ruins.‎ 单句语法填空。‎ ‎⑤(2017·江苏)Located__ where__ the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.‎ 解析：考查状语从句的连接词。句意：由于位于“一带一路”的交汇处，江苏将为“一带一路”的建设作出更大的贡献。空格处在过去分词located后面引导状语从句，且在从句中作地点状语，表示“在‘一带一路’的交汇处”，因此用where引导状语从句。located表示“坐落在；位于”。‎ 基 础 训 练 Ⅰ.单句语法填空 ‎1．Hardly had Sabrina finished her words when Albert said __sharply__(sharp), “Don't be so mean，” pointing a finger of warning at her.‎ ‎2．After the earthquake, the first thing the local government did was to provide__accommodation__(accommodate) for the homeless families.‎ ‎3．It will be a big help if you go to the store and get what we need for dinner.__In__ the meanwhile, I'll set the table.‎ ‎4．Butterflies feed__on__ a sweet liquid produced by flowers, which bees and other insects collect.‎ ‎5．Their sudden attack made us more aware __of__ the danger around us.‎ ‎6．The girl was a witness __to__ the accident and said the driver appeared to be drunk.‎ ‎7．He yelled __at__ her to be careful while crossing the busy road.‎ ‎8．Not having promoted the new digital camera successfully, the company should reflect __on/upon__ its original marketing methods.‎ ‎9．(2016·上海)My panic has gone. But I could not help __thinking__(think) about that silly poem.‎ ‎10．As the proverb goes, where the money is，__there__ is the power.‎ Ⅱ.完成句子 ‎1．My best friend __helped_me_out__(帮我摆脱了困境) when I lost my job and became homeless.‎ ‎2．It was not until after graduation that he decided to __throw_himself_into_teaching__(全身心投入到教育事业之中)．‎ ‎3．The man anxiously __urged_the_driver_to_drive_faster__(敦促司机开快点儿) so that he could catch the last flight.‎ ‎4．The thief __was_scared_to_death__(吓死) at the thought of being discovered and shot, so he handed himself to the police last Tuesday.‎ ‎5．当我们因为缺钱而关门停业时，银行挽救了我们。‎ When we __were_about_to_close_down__ the business because of the lack of money, the bank came to our rescue.‎ ‎6．这位母亲被控抛弃了自己的婴儿。‎ The mother __was_accused_of_abandoning__ her own baby.‎ ‎7．读小学的时候，我经常害怕被叫去做家务。‎ When I was in primary school, I used to fear __being_asked_to_do_housework__.‎ ‎8．这种渔网不仅会把鱼给网住，还会将其它的海洋动物一并抓住，而这些动物通常因为没人买而被扔掉。(not only...but also)‎ This kind of fishing net__ not only cathes the target fish but also many other sea animals__，which would be thrown away because they are not needed for marketing.‎ ‎9．海洋资源是如此的重要，我们必须采取措施去保护它们。(so...that)‎ The marine resources are__ so important that__ we should__ take some measures__ to protect them.‎ ‎10．在各种各样的海洋动物里，我觉得海豚是最可爱最聪明的。‎ Among__ all kinds of sea animals in the sea__, I regard the dolphin as__ the most lovely and smartest__ one.‎ Ⅲ.单句改错 ‎1．In the exams，beautiful and neatly handwriting is beneficial to us students.‎ ‎__neatly→neat__‎ ‎2．Knowing that the little girl didn't come to school，I can't help wonder what happened to her.‎ ‎__wonder→wondering__‎ ‎3．Judging from the furniture in the room, the building has abandoned for a number of years.‎ ‎__has后加been__‎ ‎4．He said that the manager had already been aware the problem.‎ ‎__aware后加of__‎ ‎5．When I first saw a real snake, I was scared to dead.‎ ‎__dead→death__‎ ‎6．His image seemed to be reflected many times on the mirror.‎ ‎__on→in__‎ ‎7．The manager urged that a meeting must be held to discuss how to improve our work.‎ ‎__must→should或去掉must__‎ ‎8．A truck came in an opposite direction of the car, so the car driver made a sharply turn.‎ ‎__sharply→sharp__‎ Ⅳ.语篇填空 I'm sitting in the warm night air __1.with__ a cold drink in my hand and reflecting on the day—a day of pure magic! I went snorkeling on the reef offshore this morning and __2.it__ was the most fantastic thing I have ever done. __3.Seeing__(see) such extraordinary beauty, I think every cell in my body woke up.It was like discovering __4.a__ whole new dimension of life.‎ The first thing I became aware of was all the vivid colours __5.surrounding__(surround) me—purples, reds, oranges, yellows, blues and greens.The corals were fantastic—__6.they__ were shaped like fans, plates, brains, lace, mushrooms, the branches of trees and the horns of deer.And all kinds of small, neat and elegant fish __7.were_swimming__(swim) in and around the corals.‎ The fish didn't seem to mind me swimming __8.among__ them.I especially loved the little orange and white fish that hid in the waving long thin seaweed.And I also loved the small fish that clean the bodies of __9.larger__(large) fish—I even saw them get inside their mouths __10.and__ clean their teeth!‎ 能 力 提 升 Ⅰ.单元考点与语法填空 The Great Barrier Reef is a 2300－kilometer string of reefs along the northeast coast of Australia. It is home to over 1000 species of fish, over 100 types of shark, and __1.dozens__(dozen) of types of whale and dolphin. At least 2 million people visit it __2.annually__(annual), __3.which__ is worth some $6 billion to the Australian economy. But __4.it__ is said that large areas of the reef are suffering from bleaching(变白). Coral bleaches when water is too warm for too long. The coral polyp(珊瑚虫) spits out the algae(海藻) __5.living__(live) inside it and its flesh becomes transparent. Algae provide the coral with 90% of its energy, so without the algae it eventually starves. Furthermore, as small fish can no longer use the coral as shelter, the bigger fish that feed on them abandon __6.living__(live) on the coral and move on. Becoming aware __7.of__ how serious the situation is, the Australian government has now promised $1 billion to help __8.out__. The money is to be spent on clean energy projects and __9.reducing__(reduce) pollution. But environmentalists are urging the government __10.to_tax/(should)_tax__(tax) fossil fuel mining companies in order to make them pay for the damage their industry has caused.‎ Ⅱ.单元语法与短文改错(动词－ing形式的被动式)‎ To be honest, educated in a famous university is my ambition and I have been looking forward to be admitted to Tsinghua University. In the meantime, I appreciate being giving a chance ‎ to go abroad for further education.To achieve of this aim, I must study even hard. In the last examination, with all the efforts making, I got the first place, that made both my teachers and parents delighted. Another important examination is approaching, but being expecting too much by them also gives me much pressures. However, I'll do what I can to live up to your expectations.‎ 答案：‎ To be honest, educated in a famous university is my ambition and I have been looking forward to admitted to Tsinghua University. In the meantime, I appreciate being a chance to go abroad for further education.To achieve 　of__this aim, I must study even . In the last examination, with all the efforts ， I got the first place, made both my teachers and parents delighted. Another important examination is approaching, but being too much by them also gives me much . However, I'll do what I can to live up to expectations.‎ Ⅲ.单元话题与书面表达 ‎(一)根据提示结合本单元所学知识补全短文(无提示处请填写适当的过渡词)‎ As we all know, ①__there are varieties of resources under the sea__(在海底有各种资源). However, ②__the past ten years has witnessed__(过去的十年目睹了)that some creatures have died out. Therefore, ③__marine pollution has been greatly concerned by the whole world__(海洋污染受到全球的关注，用被动语态)．‎ On one hand, we must make people realize the importance of protecting the ocean. As a matter of fact, ④__to protect the ocean is to protect human beings__(保护海洋就是保护人类). On the other hand, we started a campaign to ⑤__urge the government(should) take/to take immediate measures to keep the balance of nature__(主张政府立刻采取措施保持生态平衡). In no way should we ⑥__abandon protecting the environment__(放弃保护环境). ❶The problem can be solved only by ⑦__raising people's awareness of protecting the environment__(提高人们的环保意识) and making great efforts to prevent pollution.‎ ‎(二)按要求升级词汇和句式 ‎1．用本单元所学高级词汇升级加黑词语 realize→__aware_of__‎ ‎2．按要求升级句式 用倒装句升级句❶‎ ‎__Only by raising people's awareness of protecting the environment and making great efforts to stop pollution can the problem be solved.__‎