2018版高考一轮总复习英语课件：1-7-3选修7Unit 3 Under the sea 精品

the sea always dump polluted water directly into the sea. Now people are afraid to swim in the sea. It's time for us to make people fully aware of the importance of protecting the sea. Only when we live in harmony with the sea animals can we live a happy life on the planet.
8．annual (adj.) 每年的；按年度计算的(n.) 年刊；年 鉴→annually (adv.) 每年地；年度地→anniversary (n.) 周年 纪念日
9．depth (n.) 深(度)；深处→deep (adj.) 深的→deepen (v.) 加深
10．relationship (n.) 关系；血缘关系；交往→relation (n.) 关系；联系；交往；亲戚(关系)；亲属(关系)→relate (vt.)把…… 联系起来；讲述 (vi.) 有联系；理解→relative (adj.) 与…… 有关的；相比较的
[精美语篇] The sea near my hometown has been polluted badly—water is black and a lot of rubbish is floating on the sea. As a result， we often find dead fish on the beach. What's worse， many sea animals are dying out. I think it's human beings who are responsible for the result. First， tourists often throw rubbish everywhere. Second， the factories near
板块二 基础 ·自主检测
高频单词 1．accommodation (n.) 住所；住宿→accommodate (vt.) 提供住宿 2．abandon (vt.) 放弃；遗弃；抛弃→abandoned (adj.) 被 遗弃的；放纵的 3．reflect (vi.) 思考 (vt.) 映射；反射；思考→reflection (n.) 反射；反映 4．aware (adj.) 意识到的；知道的→unaware(adj.) (反义 词)没有意识到的；不知道的→awareness (n.) 意识；觉悟
13．narrow (adj.) 狭窄的；有限的；狭隘的→narrowly (adv.) 仅仅；勉强地
重点短语
1．sort_out
分类；整理
2．be_about_to 即将；将要
3．ahead_of 优于；在……前面meantime 在此期间；与此同时
6．help...out 帮助……摆脱困境或危难
板块三 考点 ·步步冲关
1 证据
witness vt.当场见到；目击 n．目击者；证人；
I thought, at the time, that this was just a story but then I witnessed it with my own eyes many times.(P20)
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。
11．urge (vt.) 催促；极力主张；驱策 (n.)强烈的欲望； 冲动→urgent (adj.) 急迫的；催促的；强求的→urgency (n.) 紧急；迫切
12．sharp (adj.) 锐利的；锋利的；敏捷的→sharpen (vt.&vi.) (使)变锋利；削尖；磨快→sharpener (n.) 削刀；磨 床；磨器；磨具
6．动名词的复合结构作宾语 The fish didn't seem to mind_me_swimming_among_ them(介意我在它们中间游动)．(教材 P24)
巩固训练
在空白处填入适当的内容(1 个单词)或括号内单词的正 确形式。
1．We ran down to the shore in time to see an enormous animal opposite us ____th_r_o_w_i_n_g_____ (throw) itself out of the water and then crashing down again.
7．be/become_aware_of 对……知道、明白；意识到…… 8．upside_down 上下翻转 9．get_close_to 靠近 10．(be)_scared_to_death 吓死了 11．hold_up 阻挡 12．reflect_on 认真思考；沉思 13．be_abandoned_by... 被……遗弃
热点句型 1．a time＋when 引导的定语从句 It_was_a_time_when( 那 是 一 个 …… 时 期 )the killer whales, or “killers” as they were then called, helped the whalers catch the baleen whales that were on their annual migration.(教 材 P19)
4．with 的复合结构作状语 I'm sitting in the warm night air with_a_cold_drink_ in_my_hand (手持一杯冷饮)and reflecting on the day－a day of pure magic！(教材 P24) 5．“where..., there be...”意为“在……的地方，有……”， where 引导地点状语从句 The water was quite shallow but where_the_reef_ ended,_there_was (在珊瑚礁尽头的地方，有) a steep drop to the sandy ocean floor.(教材 P24)
4．It took over half an hour __to__g_e_t __ (get) the boat back
to James. 5．And then Old Tom was off and back to the hunt
__w_h_e_r_e__ the other killers were still attacking the whale. 6．__S_e_e_in_g__ (see) such extraordinary beauty, I think every
当时我以为这只是个故事，但是后来我却多次亲眼目睹 了这样的事情。
归纳拓展 (1)a witness to sth.某事的证人/证明 in witness of 作为……的证据 bear/give witness to sth.为……作证；证明 (2)witness for 为……作证 witness to (doing) sth.作证证明(做)某事
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 depth 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
佳句 1.The sea water is mainly composed_of water and salt. 海水主要是由水和盐组成。 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。
2．I looked down into the water and could see Old Tom swimming by the boat, ____s_h_o_w_i_n_g_____ (show) us the way.
3．From Jame's face, I could see he was terrified of ____b_e_i_n_g_a_b_a_n_d_o_n_e_d_____ (abandon) by us.
cell in my body woke up. 7．A large wise-looking turtle was passing so close to me
___th_a_t___ I could have touched it.
8．The first thing I became aware ___o_f____ was all the vivid colours surrounding me.
5．conservation (n.) 保存；保护→conserve (vt.) 保存； 保藏
6．scare (vt.) 恐吓 (vi.) 受惊吓→scared (adj.) 恐惧的； 害怕的→scary (adj.) 引起恐慌的
7．tasty (adj.) 好吃的；可口的→taste (v.) 品尝；有…… 味道 (n.) 味道；喜好→tasteless (adj.) (反义词)无味的；不 可口的
9．Then there were two grey reef sharks, each about one and a half metres long, __w__h_ic_h__ suddenly appeared from behind some coral.
10．I told myself they weren't dangerous but that didn't stop me _f_e_e_li_n_g__ (feel) scared to death for a moment!
语境助记 ①[牛津高阶]Police have appealed for witnesses_to the accident. 警方呼吁这起事故的目击者出来作证。 ②The driver witnessed_to_having_seen the man enter the building. 司机作证说，他看到此人进入那栋大楼。 ③The witness who witnessed_the_accident_gave_witness to the police and promised to be a witness. 这个目击了这场事故的目击者向警方提交了证据并答 应作证人。
2．be about to＋动词原形，表示即将发生的事情 This was the call that announced there_was_about_to_be (即将有)a whale hunt.(教材 P20) 3．v.-ing 的被动式作宾语补足语 As we drew closer, I could see a whale being_attacked (正 在被袭击)by a pack of about six other killers. (教材 P20)
高考一轮总复习·人教版
第一部分 教材重点全程攻略
选修7
Unit 3 Under the sea
板块一 话题 ·晨读积累
话题素材——海底世界
好词
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