初中英語牛津版 (深圳&廣州)八年級下冊Unit 7 The unknown world評優(yōu)課ppt課件

這是一份初中英語牛津版 (深圳&廣州)八年級下冊Unit 7 The unknown world評優(yōu)課ppt課件，文件包含Unit7Period6Review課件pptx、Unit7Period6Review導(dǎo)學(xué)案docx、2021學(xué)年八年級下Unit7單元檢測docx等3份課件配套教學(xué)資源，其中PPT共60頁， 歡迎下載使用。
1. 未知的(adj.) ________________2. 宇航員；航天員(n.) ________________3. 收到(v.) ________________4. 響亮的；大聲的(adj.) ________________5. 安靜的(adj.) ________________6. 圓形的；球形的(adj.) ________________
7. 毀壞；破壞(v.) ________________ 8. 驚嚇的；害怕的(adj.) ________________9. 發(fā)現(xiàn)；找到；發(fā)覺(v.) ________________ 10. 非常討厭的；令人極不快的；可怕的(adj.) __________11. 害怕；懼怕(n.) ________________12. 生物；動(dòng)物(n.) ________________
13. 想知道；想弄明白(v.) ________________14. 線；線條(n.) ________________15. 拒絕(v.) ________________16. 張開(v.) ________________17. 符號；記號(n.) ________________
18. 刀(n.) ________________19. 解釋；說明(v.) ________________ 20. 高興；滿意；愉快(adj.) ________________
1. 醒來_____________________ 2. 在午夜_____________________ 3. 從……朝外看 _____________________4. 向某人提及某事 _____________________5. 保持安靜 _____________________6. 因?yàn)? ____________________
at midnight
lk ut f ...
mentin sth. t sb.
keep quiet
7. 在……的前面_____________________ 8. 制造噪音 _________________________9. 恐懼地；害怕地 ___________________10. 盡快 _________________________11. 同意；贊成 ___________________12. 不同意；持不同意見；有分歧 ________________
in frnt f ...
make a nise
as sn as pssible
disagree with
1. 蒂娜半夜醒來了。(wake up)__________________________________________________2. 她朝窗外看，看見空中有一道黃光。(lk ut f)__________________________________________________
Tina wke up at midnight.
She lked ut f her windw and saw a yellw light in the sky.
3. 第二天早上，蒂娜向她的兄弟湯姆提及了此事。(mentin … t)_________________________________________________4. 他們聽到了一些說著一種陌生語言的聲音……(hear … ding)____________________________________________________5. 宇宙飛船由于一次碰撞被毀壞了。(because f)____________________________________________________
They heard sme vices speaking a strange language …
The spaceship was damaged because f a crash.
The next mrning, Tina mentined it t her brther Tm.
6. 孩子們驚慌地逃跑了。(in fear)___________________________________________________7. 我想知道它是什么意思。(wnder)___________________________________________________8. 爸爸看著這張上面有奇怪符號的紙。(lk at)_________________________________________________________________
The children ran away in fear.
I wnder what it means.
Dad lked at the piece f paper with the strange marks n it.
1. unknwn adj. 未知的 Let’s get int an unknwn wrld. 讓我們走進(jìn)一個(gè)未知的世界。unknwn是由否定前綴un+形容詞knwn構(gòu)成, 意為 “未知的”。
【拓展】(1) un-是含有否定意義的詞綴 如：unhappy(不快樂的)，unpleasant(不愉快的)，unimprtant(不重要的)等等。(2) knw v. 知道；了解；認(rèn)識(shí) (knew, knwn)She knew everything wuld change. 她知道一切都會(huì)改變。
(3) knwn adj. 有名的；著名的；出名的（只放于名詞前）Mr. William is a knwn judge. 威廉先生是一位著名的法官。【搭配】be knwn fr = be famus fr 因……而出名 be knwn as = be famus as 作為……而出名
【對點(diǎn)專練】(1) Thugh the plice have tried their best, the wman’s identity remains (knwn)．盡管警察已經(jīng)盡他們的全力，但這個(gè)女人的身份依然未知。(2) The fact everybdy. 這是眾人所知的事實(shí)。
2. receive v. 收到I received yur letter f Nvember 7．我收到了你11月7日的來信。
【辨析】receive和 accept(1) receive 表示“收到”這一客觀事實(shí)。Then he smiled and tld me I wuld receive an extra $100 a year.后來他笑了，并且告訴我說，我將每年收到100美元的額外收入。(2) accept 表示主動(dòng)而且高興地“接受”。She has received his present, but she will nt accept it. 她收到了他的禮物，但她不會(huì)接受的。
【對點(diǎn)專練】(1) What wuld yu d if yu ____ a request like this?A. accept B. receiveC. take(2) I _____ an invitatin t the party yesterday, but I refused _____ it. A. accepted; t receiveB. accepted; receivingC. received; t acceptD. received; accepting
3. frightened adj.（= afraid r anxius）害怕的；驚嚇的I was frightened when I saw the snake. = I was afraid/anxius when I saw the snake. 當(dāng)我看到那條蛇的時(shí)候，我很害怕。【拓展】be frightened f sth. 害怕……be frightened t d sth. 害怕/不敢做某事
【同根詞】(1) frightening adj. 令人害怕的I can’t frget that frightening experience. 我忘不了那段令人恐懼的經(jīng)歷。(2) frighten v. 使驚恐；使害怕The ghst stry frightened the children. 這個(gè)鬼故事使孩子們十分驚恐。
【對點(diǎn)專練】(1) She is (frighten) f darkness because she thinks that darkness is (frighten)．她害怕黑夜，因?yàn)樗J(rèn)為黑夜令人害怕。(2) 她害怕蛇. She snakes.
frightened
frightening
is frightened f
4. discver v. 發(fā)現(xiàn)；發(fā)覺；找到She discvered that the man was a thief. 她發(fā)現(xiàn)那個(gè)人是小偷。 【同根詞】discvery n. 發(fā)現(xiàn)；被發(fā)現(xiàn)的事物 The discvery f America changed the whle wrld. 美洲的發(fā)現(xiàn)改變了整個(gè)世界。
【對點(diǎn)專練】(1) New scientific (discver) are made every day. 每天都有新的科學(xué)發(fā)現(xiàn)。(2) When smene _______ a new place, substance, scientific fact, r scientific technique, He is the first persn t find it r becme aware f it. A. creates B. discvers C. prduces
discveries
5. terrible adj. 非常討厭的；可怕的；令人極不快的The alien discvered them and made a terrible nise! 外星人發(fā)現(xiàn)了他們，并且發(fā)出可怕的聲音！【同根詞】terribly adv. 非常地；極端地；很I am terribly srry fr that. 我為此感到很抱歉。
【小試牛刀】(1) They were caught in a _____ strm, and they felt ____ frightened.A. terribly; terrible B. terrible; terribly C. terribly; terribly(2)當(dāng)他們的兒子遇難之后，他們悲痛欲絕。They suffered when their sn was killed.
6. wnder (= want t knw) v. 想知道；想弄明白wnder 有以下用法：(1) wnder + wh- +不定式I was wndering where t spend the hliday. 我想知道去哪里度假。
(2) wnder + if（whether）從句I wnder if yu are free this evening. 我想知道你今晚是否有空。(3) wnder + at sth. 對某事感到驚訝，詫異I wnder at her rudeness. 我對她的粗魯表示驚訝。
(4) n wnder = It’s n wnder that 怪不得N wnder he jumped ut f the car. = It’s n wnder that he jumped ut f the car. 怪不得他當(dāng)時(shí)跳車了。【同根詞】wnderful adj. 極好的；精彩的 wnderfully adv. 極好地；精彩地
【對點(diǎn)專練】I was just (wnder) if yu culd help me. 我只是想知道你能否幫助我。
7. refuse v. 拒絕We asked him t cme, but he refused. 我們叫他來,可是他拒絕了?！就~】refusal n. 拒絕 He made a?refusal?f her invitatin.??他拒絕了她的邀請。
【搭配】(1) refuse t d sth. 拒絕做某事They refuse t admit there’s a prblem. 他們不承認(rèn)有問題。(2) refuse sth. 拒絕某事She refused his invitatin. 她拒絕了他的邀請。
【對點(diǎn)專練】(1) He will be very sad if yu _______ his invitatin.A. accept B. refuse C. discver(2)他拒絕商量這件事，令人很惱火。His t discuss the matter is very annying.
8. explain v. 解釋W(xué)uld yu please explain t us the secret f yur success? 你可以向我們解釋一下你的成功秘訣嗎？【同根詞】explanatin n. 解釋；說明Yur plan needs sme explanatins. 你的計(jì)劃需要作一些說明。
【搭配】explain neself 說明自己的意思（動(dòng)機(jī)）；為自己的行為辯解He tried t explain himself. 他盡可能為自己辯解。
【對點(diǎn)專練】(1)你可以在百科全書中找到解釋。Yu will find the (explain) in the encyclpedia. (2)他向消防員解釋了一番。He the firemen.
explanatin
explained t
9. pleased adj.（= happy r glad）高興的；滿意的；愉快的I’m very pleased t hear frm yu. 收到你的來信我很高興。
【同根詞】(1) pleasure n. ①愉快；高興；滿足；樂事；樂趣I read fr pleasure. 我讀書消遣。②It’s a pleasure（受到感謝時(shí)的一種禮貌回答）別客氣；不用謝；是我的榮幸—Thanks very much anyhw. “無論怎樣，非常感謝。” —It’s a pleasure. “別客氣!”
③with pleasure用來愉快地答應(yīng)對方的請求或邀請, 意為“好的；沒問題；樂意效勞。”—May I brrw yur car? 我可以借你的車嗎? —Yes, with pleasure. 當(dāng)然可以。
(2) pleasing adj. 令人愉快的；討人喜歡的；使人滿意的；合意的 Such a view is pleasing. 這樣的景色令人心曠神怡。(3) please v. 使高興；使?jié)M意；討人喜歡；討好Mre than anything, I want t please yu. 最重要的是, 我想讓你高興。
【搭配】be pleased with = be happy with/be satisfied with 對……很滿意 We are pleased with the huse. 我們對這棟房屋很滿意。be pleased t d sth. = be happy t d sth. 很高興做某事I am pleased t meet yu here. 我很高興在這里見到你。
【對點(diǎn)專練】I was actually quite with myself as yu can imagine. A. pleasure B. pleasing C. pleased (2)觀看體育比賽讓他心情愉悅。Watching sprts gave him great .
1. Tina wke up at midnight. 午夜，蒂娜醒來了。wake—wke—wken v. 醒來；喚醒【搭配】wake up 醒來 wake sb. up 把某人喚醒His mther wke him up tw hurs ag. 他媽媽兩個(gè)小時(shí)前把他叫醒了。I usually wake up at six ’clck in the mrning. 我通常早上6點(diǎn)醒來。
【拓展】awake adj. 清醒的He stayed awake at midnight. 午夜了他都還是醒著的。
【對點(diǎn)專練】(1) I knw that if I _____ earlier, I can spend mre time n smething imprtant.A. wake up B. put up C. stay up(2)我妹妹醒了，哭了起來。My kid sister (wake) up and started crying.
2. They heard sme vices speaking a strange language. 他們聽到了一些人說著一種陌生的語言。(1) hear sb. ding sth. 聽見某人正在做某事 hear sb. d sth. 經(jīng)常聽見某人做某事/聽見某人做了某事(2) hear frm sb. = get a letter frm sb. 收到某人的來信
【對點(diǎn)專練】(1) I heard him (sing) when I went past his rm last night. 昨晚當(dāng)我經(jīng)過他的房間時(shí)我聽見他正在唱歌。 (2) He is ften heard (read) English alud in the mrning. 經(jīng)常聽見他晨讀英語。(3) 上星期一我收到我哥哥的來信。 I my brther last Mnday.
3. Tina mentined it t her brther Tm. 蒂娜向她的兄弟湯姆提及了這件事情。mentin sth. t sb. 向某人提及某事She mentined that she had seen the film, but she didn’t tell us anything abut it. 她提到她看過這部電影，但是電影是什么，她一點(diǎn)都沒有說。
【對點(diǎn)專練】(1) —D yu knw Ken will have a birthday party next week? —Yes. Lily _____ it t me, but she didn’t tell me the exact time. A. reminded B. prmised C. mentined(2)我可能沒跟她提過這件事。I may nt .
have mentined it t her
4. The spaceship was damaged because f a crash. 因?yàn)榕鲎? 宇宙飛船受損。(1) damage v. 毀壞；破壞The bridge was badly damaged by the earthquake. 橋被地震損壞得很嚴(yán)重。
damage和destry都有破壞的意思。 damage 通常是指部分性的損壞，暗示損壞后價(jià)值、功能等會(huì)降低。The sun can damage yur skin. 陽光能損傷你的皮膚。destry 通常指徹底的毀掉或毀滅，暗示無法或很難修復(fù)。The fire destryed the building. 大火毀了大樓。
(2) because f 和because ①because f后面接名詞、代詞或名詞性短語，表示 “因?yàn)椤?；由于……”，相?dāng)于as a result f。 The spaceship was damaged because f a crash. 因?yàn)閴嫐В钪骘w船損壞了。②because cnj. 后面加that從句，表示 “因?yàn)椤?。We had t stay at hme because it rained heavily. 因?yàn)樘煜掠?，所以我們不得不待在家里。?br/>【對點(diǎn)專練】他因?yàn)樯]有來上學(xué)。(1) He didn’t g t schl his illness.(2) He didn’t g t schl he was ill.
5. There was smething written n the spaceship. 有一些東西被寫在宇宙飛船上。smething+動(dòng)詞過去分詞 有某物被……Did yu ntice any pictures drawn n the wall? 你注意到墻上畫的圖畫了嗎？
【對點(diǎn)專練】(1)一定有一些東西被落在教室里。There must be smething (leave)in the classrm. (2)有一些學(xué)生受傷了。There are sme students (injure).
請仔細(xì)觀察以下例句中的黑體部分，并掌握結(jié)論部分的內(nèi)容?！居^察】1. — Why are yu s late? — Because the bus didn’t cme n time.2. Since everyne is here, let’s start the meeting. / Let’s start the meeting since everyne is here.3. As Li Hua didn’t feel well, we went n a picnic withut him. / We went n a picnicwithut Li Hua as he didn’t feel well.
【結(jié)論】1. because，since，as 都是表示“原因”的從屬連詞，引導(dǎo)①________從句。從句既可以位于主句的②________，也可以位于主句的③________；從句位于主句前面時(shí)，要用④________與后面的主句分開。這三個(gè)詞所表達(dá)的語氣由強(qiáng)至弱依次為：because → since → as。2. because 表示⑤________，著重點(diǎn)在從句，它所指的原因通常是聽話人所不知道的，語氣最強(qiáng)。常用來回答⑥________的提問。如例句1。
3. since側(cè)重主句，從句表示明顯的或已為人所知的理由，常譯為“因?yàn)椋患热弧?，語氣比because稍弱，可以放在主句后面，但通常放在主句前面。如例句2。4. as常用來表示在說話人看來已經(jīng)很明顯，不須強(qiáng)調(diào)的理由。as比since語氣更弱，沒有since正式，常譯為“由于；鑒于”。如例句3。because & because f請仔細(xì)觀察以下例句中的黑體部分，并掌握結(jié)論部分的內(nèi)容。
【觀察】1. We didn’t enjy the day because the weather was s bad.2. The spaceship was damaged because f a crash.【結(jié)論】because f 和 because 的 意 思 都 是“⑦_(dá)______”，其區(qū)別為：because后面接⑨_______; because f 后面接⑧_____________________________。請對比：They didn’t g n a picnic because f the rain. (rain是名詞)They didn’t g n a picnic because it rained. (it rained是從句)因?yàn)橄掠?，他們沒去野餐。
名詞、名詞短語或人稱代詞賓格
特 別 注 意 ：漢 語 習(xí) 慣 說“ 因 為 …… 所 以……”，但英語中不能將 because 和 s 連用。試觀察： This mvie is terrible, s we dn’t want t see it.= Because the mvie is terrible, we dn’t want t see it.因?yàn)檫@部電影很糟糕，所以我們不想看。（使用because和s其中一個(gè)都能譯成中文“因?yàn)椤浴保?br/>根據(jù)下面的提示，寫一篇英語小故事。80詞左右，可適當(dāng)拓展。內(nèi)容提示：1. 有一天，你在公園里散步時(shí)看到一架UFO，有兩個(gè)外星人從UFO上走了下來；2. 外星人有著藍(lán)色的皮膚，大大的眼睛，手腳都很長；3. 你很害怕，躲在了樹后面；4. 你看到那兩個(gè)外星人摘下幾片葉子，放進(jìn)一個(gè)袋子里，然后回到UFO上離開了。
此篇作文體裁為記敘文，主要內(nèi)容是講述遇到外星人的故事。寫作內(nèi)容滲透著本單元的話題和語言目標(biāo)——描述未知的世界。在寫作過程中要明確以下幾點(diǎn)：1.本文談?wù)摰氖亲约旱囊淮谓?jīng)歷，故要用第一人稱表達(dá)。2. 描述經(jīng)歷時(shí)，要使用一般過去時(shí)態(tài)。3. 寫作時(shí)要交代清楚這次經(jīng)歷發(fā)生的時(shí)間、地點(diǎn)、人物、事件、經(jīng)過等，可適當(dāng)發(fā)表感想。