Unit 3 Under the sea知识讲解Unit 3 Under the sea 语言点.pptx
Unit3-Under-the-Sea-Reading[公开课]知识讲解
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Task 2 : Main idea
The passage is mainly about __2__ parts.
Old Tom _h_e_l_p_e_d
the whalers to hunt the whales.
Old Tom p_r_o_t_e_c_te_d_ the whaler from the shark
Questions: What did the killer whale do in the whale-hunt?
Tell the whalers
there’s a w__h_a_l_e___
out there.
_T_h_r_o_w__in_g_itself out of the _w__a_te_r__and then _c_r_a_s_h_i_n_g_d__o_w_n__ again.
at an aquarium
on a snorkelling trip
•On a snorkeling trip
•On the Internet
•At an aquarium
•On TV nature programmes
•On a boat tour
•In films •In books
Pre-reading
_k_i_ll_e_r __whales
blow-hole
b__a_le_e_n_ whale
catch/kill help
whalers
People who hunt whales
Background Information
Writer
Clancy
Career
A whaler
Writing style
高考英语Unit 3 Under the sea知识梳理、考点突破(12张))
Unit 3Under the sea(对应学生用书第181页)[单词拼写应用]Ⅰ.考纲单词——会拼写、要识记1．witness v t.当场见到；目击n. 目击者；证人；证据2．opposite prep.在……对面adj. 相对的；相反的3．pause v i.&n. 暂停；中止4．teamwork n. 协作；配合5．drag vt. 拖；拉；扯6．urge vt. 催促；极力主张；驱策7．relationship n. 关系；血缘关系；交往8．target n. 目标；靶；受批评的对象9．anecdote n. 轶事；奇闻10．shore n. 岸；海滨11．yell v i.大叫；呼喊n. 叫声；喊声12．flee vt.& vi. 逃离；逃避；逃跑13．conservation n. 保存；保护14．suck v t.&v i.吮吸15．shallow adj. 浅的；肤浅的；浅显的16．steep adj. 陡峭的17．boundary n. 界限；分界线18．awesome adj. 使人敬畏的；令人畏惧的Ⅱ.派生单词——能辨别1．annual adj.每年的；按年度计算的n．年刊；年鉴→annually ad v.每年地；年度地→anniversary n．周年纪念(日)2．accommodate v t.& v i.容纳；供应→accommodation n．住所；住宿3．dive v i.&n.跳水(的动作)；潜水(的动作)；俯冲→diver n．潜水者4．deep adj.&ad v.深深的(地)→deeply ad v.深深地→deepen v t.&v i.使加深；使强烈；变深；变低沉→depth n．深(度)；深处5．abandon v t.放弃；遗弃；抛弃→abandoned adj.放纵的；堕落的6．reflect v t.& v i.映射；反射；思考→reflection n．反射；沉思7．pure adj.纯的；纯粹的；纯洁的→purely ad v.纯粹地；完全地8．aware adj.意识到的；知道的→awareness n．意识9．vivid adj.生动的；鲜明的；鲜艳的→vividly ad v.生动地10．neat adj.(口)好的；整齐的；匀称的→neatly ad v.整齐的；匀称地11．narrow adj.狭窄的；有限的；狭隘的→narrowly ad v.狭窄地；狭隘地12．sharp adj.锐利的；锋利的；敏捷的→sharpen v t.&v i.削尖；磨快；尖锐；变锋利13．taste v．& n．品尝；尝起来；味道→tasty adj.好吃的；可口的14．scare v t.& v i.恐吓；受惊吓→scared adj.恐惧的；害怕的→scary adj.引起恐慌的15．pension n．养老金；退休金→pensioner_ n．领取养老金者Ⅲ.语境应用(用所给词的适当形式填空)1．He described vividly what he saw in London, giving us a vivid picture about people's life there. (vivid)2．The lake is over 20 meters in depth. So we were all moved deeply by the man who dived deep into the lake to save the boy. (depth)3．If you can't find any accommodations elsewhere，here is a room which can accommodate up to five people. (accommodate)[拓展联想]Ⅰ.短语回顾——会默写1．help(...)out帮助(某人)摆脱困境或危难2．be/become_aware_of 对……知道、明白；意识到……3．upside_down 上下翻转4．(be)scared_to_death 吓死了5．hold_up 举起；支撑；阻挡；使延误6．get_close_to 靠近7．sort_out 整理；分类；收拾8．aim_at 瞄准；力求达到9．ahead_of 在……前面；领先10．yell_out 大喊Ⅱ.语境应用(选用上述短语的适当形式填空)1．When I bought the house，my sister helped me out with a loan.2．From now on，don't take me to watch horrible movies. I was_scared_to_death last night.3．You'll become/be_aware_of the mistakes you've made sooner or later.4．The reason why he was late for the meeting was that he was held_up on the way in the traffic jam.5．Looking for his lost magazine, the man turned the whole room upside_down．[拓展联想][句式结构仿写](对应学生用书第182页)精讲4个考纲单词witness vt.当场见到；目击n.目击者；证人；证据[高考佳句]The late twentieth century witnessed the rapid development of China's economy.(2016年上海高考)二十世纪末见证了中国经济的迅速发展。
英语.新高考总复习(人教) 选修7 Unit 3 Under the sea
一个故事罢了,但是后来我亲眼见过几次。
语境巧练
单句填空
①As a winner of the state medal,she is a witness to
history
as well. ②The driver witnessed to having seen(see) the man enter the
trusted the wrong people.
③She was staring out over the lake,lost in reflection (reflect).
选修7
Unit 3 Under the sea
核心考点
随堂巩固
-11-
考点必记 ①reflect sb./sth.in... 在……中映出某人/物的形象 reflect on/upon沉思、思考 ②reflection n.反射;反照;反映;映像;思考 be lost in reflection陷入沉思中 on/upon reflection再加考虑
选修7
Unit 3 Under the sea
核心考点
随堂巩固
-16-
8.scare vt.恐吓 vi.受惊吓 [教材原句]I told myself they weren’t dangerous but that didn’t
stop me from feeling scared to death for a moment!(P24)我自言自语
选修7
Unit 3 Under the sea
核心考点
随堂巩固
-14-
Unit3Underthesea知识点 高中英语人教新课标选修七
Words & Expressions
PART 1
词形转换
1.___fl_e_e____ vi.逃避；逃跑→__fl_e_d_/f_l_ed_________过去式，过去分词 2. __d_r_a_g____ vt. 拖；拉；扯→_d_r_a_g_g_e_d_/_d_r_a_g_g_in_g_过去式，现在分词 3.___d_e_ep____ adj.深的→___d_e_p_th___ n.深，深处→___d_e_ep__en__ v.加深， 变深
[能力提升] ① 学生形成珍视父母的爱的意识很重要。
It is important that students develop/form an awareneww of valuing parents’ love. ②我的老师试图提高学生的环保意识。 My teacher tried to raise students’ awareness of environmental protection.
PART 2
四个比较
annyally =yearly
drag=
draw pull
conservation=
preservation protection
conversation
awesome 令人 敬畏的；令人畏
惧的
awful 糟糕的； 可怕的
四个一词多义
urge 一词多义
narrow 一词多义
3. He urged that we (should) take such steps.
4. The situation is dangerous and the UN is
urging caution. 极力主张
新课标高中英语Unit3Underthesea单元重点知识回顾课件新人教版选修70
abandon oneself___to___沉溺于；放纵 abandon__d_o_i_n_g___sth.放弃做某事 abandoned_被__放__弃___的
9．reflect vi.& vt.思考；映射；反映
reflect on/upon sth._思__考__某__事_
reflect
sb./sthsb.into___d_o_in_g___sth.吓唬某人做某事
scare
sb.__o_u_t_o_f___doing
sth.吓得某人不敢做某事
scare___a_w_a_y__把……吓跑
be scared___to__d_o__sth.不敢去做某事
be
scared___o_f__doing害怕，唯恐做某事
be scared___t_o__death吓得要死
Ⅱ．教材原句 1．This was the call that announced therew_a_s__ab_o_u_t_t_o______ be a whale hunt. 这就是宣告猎鲸行动马上就要开始的呼声。 2．I _s_a_w_J_a_m__e_s_b_e_in_g__fi_r_m_l_y_h_e_l_d_u_p________ in the water by Old Tom. 我看到老汤姆正在水中稳稳地托着詹姆斯。 3．First， _n_o_t_o_n_ly______ target fish are caught in the netb，ut _______ many other sea animals are found hanging there. 首先，不仅目标鱼类，而且许多其他海洋动物也被发现困在网中。
4．Most young girls were scared __t_o_s_t_a_y___ (stay)outside after 10：00 pm because they were scared __o_f___ being robbed.
Unit 3 Under the sea知识讲解 话题语言应用——海底世界.pptx
A yellow-spotted red sea-slug was sliding by a blue sea-star. 带着黄斑点的红色海蛞蝓从一个蓝色的海星旁边滑行而过。
A large wise-looking turtle was passing so close to me that I could have touched it. 一只长相聪慧的大乌龟紧贴我的身旁而过，我几乎能摸到它了。
4. The sea anemone(海葵) is
. (B)
A. a plant that looks like an animal
B. an animal that looks like a plant
C. the largest flower in the sea
5. A seahorse swims by
go scuba diving 去潜水（带潜水器）
see animals that live under the sea at an aquarium/ on TV nature programmes
在水族箱中/ 电视中的自然节目中看生活在海底的动物
dive under the waves to see the colourful fish 潜水去看五颜六色的鱼
话题语句（4） 有用的句子----- 试试你会了吗？ 1 我们及时赶到岸边，看到对面有一个庞大的动物猛力跃出水面，然后坠落到水里。
whale watching boat tours 乘船观鲸之旅
whale hunting 猎鲸
jogging on the beach 海滩慢跑
sailing 帆船运动
motorboating 乘汽艇
yachting 乘游艇
高中英语Unit 3 Under the sea (知识拓展)
高中英语Unit 3 Under the sea (知识拓展)Whale watchIt doesn’t matter how seasick people may feel. When a whale appears, nothing else matters, says whale researcher Steve Palumbi.“Everyone—from 5 to 95 years old—rushes to the side of the boat.”“Whales have that effect on people,” Palumbi adds. He’s a biology professor at Stanford University.It might be their gargantuan size, their beautiful and haunting songs, which can travel underwater for thousands of miles, or the fact that they’ve been on Earth for a lo ng, long time. Then again, whale awe might come from something beyond words“Something about them is just magical,” Palumbi says.“They’re magnificent creatures.They’ve been swimming the seas for 20 million years.It should be no surprise that they re the masters of the ocean.”These ocean rulers, however, are in big trouble. Between 1925 and 1975,whale hunting destroyed many of the world’s whale populations. By the time whaling was officially banned in 1986,some species had already become extinct. Others are still struggling to recover.Meanwhile, countries such as Japan and Norway have found ways to continue hunting whales for their meat and blubber. And they’re trying to get permission from the International Whaling Commission to start whaling again on a large scale in the next 5 years.Whales face other threats, too. Lots of boat noise can prevent them from communicating with each other. And pollution may be poisoning the fish they eat.Despite the admiration that whales inspire, scientists still don’t know many things about them.“Much of what whales do and how they live their lives is still a secret,” Palumbi says. So, scientists such as Palumbi are working hard to unravel the secret lives of whales. Their goal is to find ways to protect them for generations to come.Polluted watersOceans act like giant conveyer belts, spreading dangerous chemicals such as DDT and dioxins around the world, says Roger Payne. He heads a whale conservation organization called Ocean Alliance.As toxins move up the food chain, from fish to whales(and people),they get more and more concentrated in muscle and fat tissue, which increases potential health hazards.Payne’s organization has sent a ship named the Odyssey on a 5year, worldwide cruise to collect data. Rese archers aboard the ship are gathering skin samples from sperm whales, then analyzing the samples for pollutants.“The first question is: How bad is it?” Payne says.“Until we can answer that, we can’t really get anywhere.”The voyage’s goal is to create a map of pollution in oceans around the world. This information should reveal something about how our waste is affecting long lived mammals like whales.Sample collection is still underway. So far, testing of 30 whale samples has revealed the presence of pollutants in every single one.If most other samples turn out to be contaminated, the findings could also be a warning to people. Seafood is the main source of animal protein for 70 percent of people on Earth, Payne says. If the seafood we eat is tainted, our health could be at stake, along with that of whales.Loud noiseChemicals are not the only kind of pollution in the ocean. Noise is also a major problem, says Christopher Clark. He’s director of Cornell University’s bioacoustics research program.In his research, Clark uses highly sensitive microphones that were originally developed by the U.S. Navy to track ships. The microphones are so sensitive that Clark calls them “the Hubble telescopes of the sea.” The Hubble Space Telescope is an orbiting instrument that has provided extremely detailed images of the universe.N ow, Clark is using these microphones to pinpoint where whales are ,how they move, and what sounds they make. Whales generate a variety of sounds, sometimes creating long and intricate melodies. No one knows what whale songs mean, but the tunes can be very complex.Some scientists suggest that whales make such noises to navigate and communicate. They might keep track of each other, tell others where food is available, and find each other to breed. I wonder if they also talk about the weather!Clark’s research has shown that whales use low frequency sound waves to communicate with each other across hundreds, even thousands of miles of water. This means that a whale off the coast of Newfoundland, way up in Northeastern Canada, can hear its friends in Puerto Rico,1600 miles away in the Caribbean.But there’s a problem. Ships make a lot of noise, and there are lots of ships out there. All of that “acoustic smog,”Clark says, has greatly reduced the ability of whales to hear each other.Cape Cod Bay on the coast of Massachusetts is a particularly extreme example, Clark says. The bay is a critical habitat for northern right whales, but the noise is persistent and the levels are very high.If there were this much noise on land, Clark says ,a government agency called the Occupational Safety and Health Administration(OSHA) would order us to wear earplugs or stay away to protect ourselves and keep from going deaf.Whales might end up leaving their homes or swimming to different depths to avoid loud noises .Such moves could create further problems, a recent study by scientists at the Woods Hole Oceanographic Institution suggests.The researchers found that whales can get “the bends” in the same way that scuba divers do when they swim too deep, stay down too long, or rise too quickly to the surface .In this ailment, bubbles of gas in the blood can cause severe pain and even death, both in people and in whales.Deep foodProtecting whales is especially important because a variety of species depend on them for survival, says Craig Smith. He’s an oceanographer at the University of Hawaii ,Manoa , and he studies “whale falls”. A whale fall is a dead whale carcass that sinks to the bottom of the ocean.The body of a 50-ton whale can sustain up to 80 years worth of life, Smith says.Using deep-sea robotic equipment, including the submersible Alvin Smith has discovered a wealth of bizarre creatures that seem to thrive only on whale falls.The blind zombie worm is one example. These odd worms feed on whalebones and grow into mats that look like fields of tall grass waving in the wind.“The communities are remarkable,” Smith says. One whale can support 3400 individual creatures that belong to more than 200 species, including mussels, sharks ,clams, and worms.“It’s among the most species rich habitats in the deep sea,” he says.A decline in whale population would mean a decrease in whale falls. As a result, many specialized species would become extinct. For example, calculations show that, if whale falls went down by 75 percent, about 30 to 40 percent of the species that depend on these falls for survival would die out.Even reducing whale falls by half would cause 15 percent of dependent speci es to disappear. That’s troubling, Smith says, because some people argue that killing 50 percent of whales would do no harm.Hunting ban(The blue whale is the largest animal thathas ever lived on earth.)Not all the news is bad news. Using informat ion buried in whale DNA, Palumbi’s research has shown that Antarctic minke whales have been thriving for as long as 2 million years. Through ice age after ice age, their numbers have continued to grow steadily. Whaling seems to be the only major threat they face.However, a complete ban on whaling may be the only way to save the world’s whale populations and all of the species that depend on them ,many researchers say. At the same time,countries such as Japan and Norway see the sale of whale blubber as a major source of income.The best thing scientists can do now, Palumbi says, is to learn as much about whales as they can in order to document the negative effects of whaling. With rapid advances in technology, the opportunities for understanding these marvelous animals seem to be better than ever before.“Learning about how whales live their lives, how they have lived their lives, and even how they die takes more than just looking at them from the surface,” Palumbi says.“It takes technology—new technology that pushes back the curtain of the ocean.” Though there’s a lot left to be discovered, new technology and new research is beginning to fill in the gaps in the secret lives of whales.。
7-Unit-3-Under-the-sea市公开课获奖课件省名师示范课获奖课件
2.“In the meantime,Old Tom,and the others are having a good feed on its lips and tongue,”...在这段时间里，老汤姆和其他虎 鲸会饱餐一顿旳，鲸唇和鲸舌就是它们旳美 食…… 考点提炼 in the meantime意为“在……期 间 ，同步”，其同义词是meanwhile。
导练互动
要点单词 1.urge
“Man overboard!Turn the boat around!” _u_r_g_ed__ George,shouting loudly.（回归课本 P20） 观察思索 She urged him to stay.她力劝他留下。 The report urged that all children be taught to swim. 这份报告呼吁给全部旳小朋友教授游泳。 He urged his horse forward.他策马前行。
助 6.be/become aware of 对……懂得、明白；意识
到…… 7.upside down 上下翻转；颠倒旳（地）；乱七
八糟旳（地） 8.(be) scared to death 吓死了
Ⅲ.经典句式利用
1.This was the call that announced there was about to be a whale hunt.这是宣告捕鲸 行动立即就要开始旳号角。 考点提炼 be about to do表达打算或即将发 生旳动作，但它不与表达 将来时间旳副词 或其 他详细 将来时间状语 连用。但能够与when连 用，构成固定句型。
2.accommodation
...,as I was sorting out my accommodation,...(回归课本P20) 观察思索 Can we find accommodations at a hotel for tonight? 我们今晚能找到旅馆住宿吗？ This hotel has accommodations for 500 guests. 这家旅馆能容纳500人。
Unit 3 Under the sea人教版高中英语选修7课件 (共26张PPT)
( 5 ) The killer whale guided the team to the
hunt.
Careful-reading
Discuss the following questions in groups of four and choose the best answers to them.
A. They just did the hunting for fun.
B. They left it eaten up by the killers. C. It was dragged to the depths of the sea. D. They just waited for it to float up.
Fast-reading
1. What is Clancy?
Clancy is a young whaler who works at a whaling station.
2. What did he see and experience at his working place?
He saw killers help whalers catch huge whales.
MSkaiimn midienags of the two anecdotes
The first anecdote describes a hunting experience about how the ___________ hkeillperedwthhaele_s______ to hunt awwhahlaelres.
( 4 )The men went to the boat and headed out
unit-3-under-the-sea基础知识
Unit 3Under the sea1．witness vt. 当场见到；目击；见证n. 目击者；证人；证据①He witnessed to having seen the man enter the room.他证明看到那个人进了房间。
②The police found the witness to the murder case.警察找到了那个谋杀案的目击者。
The witness(目击者)who witnessed(目击)the incident gave witness(证据)to the police and promised to be a witness(证人)．[运用提升]After the explosion, the policemen did a lot of work to find out some clues from the________.A．onlookersB．viewersC．people D．witnesses2．urge vt. 催促；极力主张；驱策(3)have an urge to do sth. 迫切要求做某事①Brown urged her to reconsider her decision. 布朗极力劝说她重新考虑自己的决定。
②I urged that he(should)do his best. 我强调他要尽自己最大的努力。
③It was urged that he(should)be punished. 有人极力主张他应受到惩罚。
翻译句子(1)他极力劝她学习物理。
________________________________________________________________________(2)他们敦促我去申请工作。
________________________________________________________________________(3)她渴望当一名电影明星。
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常用搭配：make accommodation for the … 为……提供膳宿 book accommodation at a hotel 在旅馆预订房间
The high cost of accommodation makes life difficult for students in London. 住宿费用昂贵使伦敦的学生生活困难。 This hotel has accommodations for 600 guests. 这家旅馆可以为 600 人提供住处。 【拓展】accommodate v. 提供住宿；容纳；适应，调节 He will accommodate me with the use of his house while he is abroad. 他出国时，将把房子给我住。 One flat can accommodate a family of five. 一套房间可以住一个五口之家。 Wherever he goes, he readily accommodates to new circumstances. 无论他去哪里，他都很容易适应环境。 【补充】sort out 分类，整理，解决 I’ve just sorted out the old magazines that can be thrown away. 我刚刚整理了可以扔掉的杂志。 I have got everything sorted out and I am ready to leave. 我把一切问题都处理好了，我要走了。
【点拨】witness vt.& vi. 亲眼看见，目睹，作证； n. 见证人；目击者（与 of 连用）
We were witnessing the most important scientific development of the century. 我们正目睹着本世纪最重要的科学发展。 We witnessed great changes in the city. 我们见证了这个城市的巨大变化。 The police found the witness of the murder case. 警察找到了那起谋杀案的证人。 There was no witness at the scene of the accident. 在事故现场没有目击证人。 【拓展】常见搭配：witness to (doing...)为……作证
【点拨】annual adj.
1. 每年的，一年一次的
the annual output 年产量
an annual report 年度报告
Steel output reached an annual figure of one million tons. 钢的年产量达到 100 万吨。
2. 按年度计算的
bear / give witness to 为......作证 in witness of 作为......的证据 a living witness to 活生生的证人 witness stand 证人席(美)＝witness box (英)
He witnessed to having seen the man enter the building.
He drew the curtains. 他拉上了窗帘。 3. drag 指拖笨重的、阻力很大的东西。 The little boy is dragging a heavy bag of rice. 这小男孩正在费力地拖一大袋米。
upside down
重点句型 It takes sb. some time/ ... to do sth.的变化 a time when...
知识讲解
重点词汇
annual 【原句回放】It 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。
yell 【原句回放】Another whaler yelled out, “Rush-oo... rush-oo.” 另一个捕鲸人大声喊叫，“快走
学海无涯
啊......走啊。” 【点拨】yell v. 大叫，呼喊
n. 叫声，喊声 常用搭配：yell at 冲……大喊
yell out 大声喊叫 let out/give a yell 大喊一声 She yelled at the child to get down from the wall. 她喊着让小孩从墙上下来。 Frank let out a yell and jumped away. 弗兰克大叫一声跳开了。 He gave a yell of delight as the election results came out. 选举结果出来后，他高兴得大喊了一声。 【拓展】有关“喊”的词汇 1. yell 多指求援、鼓励时的呼叫，也可指因外界因素刺激而发出尖厉的声音。 The lost man yelled, hoping someone in the woods would hear him. 迷路的人大声喊叫着，希望林子里的人会听见。 2. call 指大声说话或喊叫，以引起某人的注意。 He called to me from the other side of the street. 他从街对面喊我。 3. cry 一般指因恐惧、痛苦、惊奇等而喊叫，也可指放声大哭。 She cried with grief when she heard news of her friend’s death. 听到朋友死亡的消息，她难过地哭了。 4. shout 指有意识地高声喊叫，常用于提出警告、发命令或唤起注意等。 I had to shout to make myself heard. 我得大声嚷， 否则根本听不见我的声音 5. roar 指发出大而深沉的声音、吼叫或咆哮。 In less than a minute, the motorboat roared past them only a few feet away. 不到一分钟的功夫，汽艇在离他们仅几英尺的地方咆哮而过。 6. scream 指因恐惧、快乐或痛苦而发出尖叫声。 The baby woke up screaming. 那婴儿醒来时尖声哭叫。
pause 【原句回放】Without pausing we jumped into the boat with the other whalers and headed out into the bay. 一刻不停地，我们和其他捕鲸人都跳进渔船，朝海湾方向驶去。 【点拨】pause vi. 暂停，中止
the annual income 年收入
the annual rainfall
【拓展】annually adv. 每年地，年度地
witness 【原句回放】I thought, at the time, that this was just a story but then I witnessed it with my own eyes many times. 当时我以为这只是一个故事罢了，但是后来我亲眼见过多次。
n. 停顿，停顿的时间 常用搭配：without pause 不停
give sb. pause 使某人认真考虑 The woman spoke almost without pausing for breath. 那个女人说话像放连珠炮似的。 They worked for three hours without pause. 他们连续工作了三个小时。 After a long pause, she went on with the story. 她停了好一会儿，继续讲故事。
opposite 【原句回放】We ran down to the shore in time to see an enormous animal opposite us throwing itself out of the water and then crashing down again. 我们及时赶到岸边，看到对面有一个庞大 的动物猛力跃出水面，然后又坠落到水里。 【点拨】opposite
drag 【原句回放】Within a moment or two, its body was dragged swiftly by the killers down into the depths of the sea. 过了片刻，鲸的尸体就被虎鲸们迅速拖向深海中。 【点拨】drag v. & n. 拖, 缓慢而费力地移动
学海无涯
学习目标 重点词汇 annual depth
witness urge
Unit 3 Under the sea 语言点
编稿：牛新阁
审稿：王春霞
accommodation abandon
opposite yell