1、Unit 3 Under the sea单独成册：对应学生用书第321页基础巩固篇一、默写版块.重点单词请快速写出下列单词对应的汉语意思1anecdote n轶事；奇闻2witness vt.当场见到；目击 n目击者；证人；证据3opposite prep.在对面 adj.相对的；相反的4pause vi.& n暂停；中止5teamwork n协作；配合6dive vi.& n跳水(的动作)；潜水(的动作)；俯冲7flee vi.逃避；逃跑 vt.逃离8drag vt.拖；拉；扯9target n目标；靶；受批评的对象10dimension n维(数)；方面；侧面请快速写出下列英语单词11an
2、nual adj.每年的；按年度计算的n.年刊；年鉴12pure adj.纯的；纯粹的；纯洁的13vivid adj.生动的；鲜明的；鲜艳的14neat adj.好的；整齐的；匀称的15suck vt.& vi.吮吸16shallow adj.浅的；肤浅的；浅显的17boundary n界限；分界线18awesome adj.使人敬畏的；令人畏惧的请快速写出下列英语单词及拓展单词19accommodation n住所；住宿accommodate v容纳；提供住宿20depth n深(度)；深处deep adj.深的deep adv.深地deeply adv.深刻地；深深地21urge vt.催
3、促；极力主张；驱策urgency n紧急(的事)；迫切；强求；催促urgent adj.紧急的；迫切的；催促的22abandon vt.放弃；遗弃；抛弃abandoned adj.被遗弃的23relationship n关系；血缘关系；交往relation n关系；亲戚relative n亲戚adj.相对的24conservation n保存；保护conserve v保护；保存25reflect vi.思考vt.映射；反射；思考reflection n映射；反射；思考26aware adj.意识到的；知道的awareness n意识；认识；明白；知道27narrow adj.狭窄的；有限的；狭
4、隘的narrowly adv.勉强地；严格地28sharp adj.锐利的；锋利的；敏捷的sharply adv.尖锐地sharpen vt.使锋利29tasty adj.好吃的；可口的taste n味道；品味vt.尝；体验vi.尝起来；有的味道30scare vt.恐吓vi.受惊吓scared adj.害怕的scaring adj.令人害怕的.高频短语1sort out 整理；分类；收拾2in time 及时3ahead of 在前面；领先4in the meantime 在此期间；与此同时5hold up 举起；阻挡6help (.) out 帮助(某人)摆脱困境或危难7be/become
5、 aware of 对知道、明白；意识到8upside down 上下翻转9get close to 靠近10(be) scared to death 吓死了.经典句型1It was a time when the killer whales，or “killers”as they were then called，helped the whalers catch the baleen whales that were on their annual migration.那个时期，虎鲸(当时被称为“杀手”)帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。2This was the call that an
6、nounced 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。3As 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。4The 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，有一个陡
7、坡，一直下降到满是沙子的海底。二、运用版块.单句语法填空1It takes the boy most of his free time to learn drawing.2Over the past 40 years，China has witnessed (witness) dramatic changes.3I was about to do an important piece of work when my daughter came to interrupt me.4Seeing the front door being painted (paint)，he had to enter
8、 the room through the back door.5Where there is water，there is life.6The truck was found abandoned (abandon) by the side of a rural road late the next day.7Frozen fish isnt as tasty (taste) as the fresh one.8This morning I received a telephone call from my dentist，urging me to come (come) to his pra
9、ctice for immediate treatment of my teeth.9After I heard the terrifying news，nothing could have stopped me from feeling scared (scare) to death.10I must reflect on/upon how to answer that question.单句改错1Police have appealed for witnesses for the accident.第二个forto2The local government forced them to a
10、bandon do the research on cloning humans.dodoing3The performer was waving his stick in the street，and it narrow missed the child standing nearby.narrownarrowly4The fruits are small in size，but juicy and taste.tastetasty5I vivid remember the first time when I went to Hong Kong with my Dad.vividvividl
11、y.一句多译/词汇升级1为了纪念这次有意义的活动，我们都拍了照片，感到满足和快乐。In memory of this meaningful activity，all of us took photos，feeling satisfied and happy.(现在分词短语作状语)In memory of this meaningful activity，all of us took photos，satisfied and happy.(形容词短语作伴随状语)2I firmly believe that the more we realize the significance of this
12、famous saying，the more benefits we will get in our daily study and job.I firmly believe that the more we are aware of the significance of this famous saying，the more benefits we will get in our daily study and job.3Our city sees four different seasons，plenty of sunshine and good rainfall，but in wint
13、er you may feel a little cold.Our city witnesses four different seasons，plenty of sunshine and good rainfall，but in winter you may feel a little cold.能力提升篇.阅读理解Rivers are the veins of the Earth，transporting the water and nutrients (营养物) needed to support the planets ecosystems，including human life.W
14、hile many nutrients are essential to the survival of life，there is one element transported by water in rivers that holds the key to life and to the future of our planetcarbon.Carbon is everywhere and understanding the way it moves and is either released or stored by the Earth system is a complex sci
15、ence in itself.Carbon starts its journey downstream when natural acid rain，which contains carbon dioxide from the atmosphere，melts minerals in rocks.This helps transform carbon dioxide to bicarbonate (碳酸氢盐) in the water that then flows in our rivers.This is a very long process，which is one of the ma
16、in ways carbon dioxide is removed from the atmosphere.Carbon is transported by rivers to oceans and once that carbon reaches the ocean，it is stored naturally in deep sea sediments (沉淀物) for millions of years.As carbon travels down a river，different processes may impact whether it continues to flow d
17、ownstream or whether it is released into the atmosphere.For example，human engineering，like extensive dam construction，will result in dramatic changes to how water and sediments travel down the river.Some carbon that fails to reach the sea may return to the atmosphere in some way，which causes more wa
18、rming.Earths climate is closely related to the carbon cycle.We all know about the essential role of plants in consuming carbon dioxide，but do we know enough about rivers? Changing the chemistry and the course of rivers may have significant impacts on how they transport carbon.Remember：wherever we li
19、ve，we all live downstream.语篇解读本文主要介绍了河流在吸收、贮存大气中的碳的过程中的巨大作用它们能运输碳到海洋中从而使碳贮存在深海的沉淀物中，但是作者同时也指出，随意改变河流的本来样貌会影响其运输碳的方式，进而影响地球气候。1Where is the carbon in rivers originally from?AThe atmosphere.BThe rocks.CThe acid rain.DThe upstream areas.解析：细节理解题。根据第二段第二句“Carbon starts its journey downstream when natura
20、l acid rain，which contains carbon dioxide from the atmosphere，melts minerals in rocks.”可知，当含有来自大气中的二氧化碳的天然酸雨融化岩石中的矿物质时，碳就开始了它的下游之旅。再结合该段第三句可知，河流里的碳最初来自大气层，故选A。答案：A2Why is human engineering mentioned in paragraph 3?ATo show how important carbon is to life.BTo explain how necessary it is to build dams
21、.CTo show how a natural process is interrupted.DTo explain how humans fight global warming.解析：推理判断题。根据第三段第二句中的“For example，human engineering，like extensive dam construction”可知，作者提到human engineering是为了将其作为一个例子来佐证该段第一句中的“different processes may impact.into the atmosphere”，即碳的自然循环过程是怎样被人类的活动中断的，故选C。答案：
22、C3What does the author want to convey in the last paragraph?AWed better move upstream to live.BWe should protect plants along rivers.CWed better seek more help from plants.DWe should be cautious about river management.解析：推理判断题。根据最后一段第一句“Earths climate is closely related to the carbon cycle.”以及第三句“Ch
23、anging the chemistry and the course of rivers may have significant impacts on how they transport carbon.”可知，改变河流的化学成分和流向会对它们运输碳的方式产生重大影响，进而影响地球的气候。由此可以推断出，在最后一段作者意在表明，我们应该谨慎地对待河流管理问题。故选D。答案：D4What is the best title for the text?AWhat Humans Do with RiversBHow Rivers Transporting Carbon CountsCWhat t
24、he Carbon Cycle Means to UsDHow Living Downstream Affects the Earth解析：标题归纳题。文章主要介绍了河流在吸收、贮存大气中的碳的过程中的巨大作用它们能运输碳到海洋中从而使碳贮存在深海的沉淀物中，但是作者同时也指出，随意改变河流的本来样貌会影响其运输碳的方式，进而影响地球。故B项最适合作本文标题。答案：B.阅读七选五Will there be an outbreak of bird flu that threatens humans？Many experts disagree on when or whether a human
25、pandemic (大流行病) will occur，but do say there is a chance that the virus could mutate (变异)，leading to widespread infection.1 Heres what you need to know to help keep yourself healthy.Stock up on food，water and household supplies.If there is a bird flu pandemic，youll want to minimize your chance of cat
26、ching it by staying indoors; you might even be required to stay home if the government asks that people remain in quarantine (隔离期)Youd better stock up today on at least 2week worth of essentials such as water，food，emergency and medical supplies.2Have an outbreak plan.It may feel odd or uncomfortable
27、 to talk to family members and loved ones about the worstcase pandemic scenario.But if that scenario strikes，youll all be much better off if you have a plan decided on and ready.3 Figure out how you would care for them and what your first response and responsibilities would be; this is an especially
28、 important conversation with those with special care needs.4 Things like keeping a balanced diet，exercising regularly and getting sufficient rest can help keep you healthy in an outbreak and also keep you from catching the common cold.Particularly in a flu outbreak situation，it will be important to
29、wash your hands with soap and water for at least 20 seconds.Be diligent about covering coughs and sneezes with tissues.Moreover，know your essential health information such as your blood type，allergies，and past or current medical conditions.Make a list of that essential information for all the member
30、s of your family.5 And do make sure everyone in your household knows where to find it.AWork out regularly to stay slim.BPick up the habits of healthy behavior.CIt is wise to keep it somewhere safe and visible.DIts important to ask yourself these questions before a pandemic occurs.ETalk with your fri
31、ends and family about how youd respond to an epidemic.FIn that case，the best thing you can do right now is to prepare for that possibility.GThat will help you get through an extended time at home if an outbreak happens.语篇解读本文介绍了在大流行病前保持自我健康的方法。1解析：F项中的that possibility和空前的a chance相呼应，分析语境可知，F项在此处起到了承
32、上启下的过渡作用。答案：F2解析：本空是段尾句，有总结之意。此外，G项中的that和空前一句“Youd better stock up today on at least 2week worth of essentials such as water，food，emergency and medical supplies.”相衔接，且G项中的an extended time at home与上文中的“people remain in quarantine”相呼应，所以选G项。答案：G3解析：根据上文“It may feel.decided on and ready.”及下文“Figure out.would be”可知，空处陈述的应是你和家人讨论的内容，E项符合语境。答案：E4解析：本空是段首句。根据对本段的整体理解可知，本段主要陈述的是健康的行为习惯的具体表现，与选项B内容呼应。答案：B5解析：空后一句中的“where to find it”与C项中的“keep it somewhere safe and visible”相呼应，故空处应是建议把必要信息单放在安全且家人都能看到的地方，所以选C项。答案：C
