初中英语牛津版 (深圳&广州)八年级下册Unit 7 The unknown world评优课ppt课件

这是一份初中英语牛津版 (深圳&广州)八年级下册Unit 7 The unknown world评优课ppt课件，文件包含Unit7Period6Review课件pptx、Unit7Period6Review导学案docx、2021学年八年级下Unit7单元检测docx等3份课件配套教学资源，其中PPT共60页， 欢迎下载使用。

1. 未知的(adj.) ________________2. 宇航员；航天员(n.) ________________3. 收到(v.) ________________4. 响亮的；大声的(adj.) ________________5. 安静的(adj.) ________________6. 圆形的；球形的(adj.) ________________
7. 毁坏；破坏(v.) ________________ 8. 惊吓的；害怕的(adj.) ________________9. 发现；找到；发觉(v.) ________________ 10. 非常讨厌的；令人极不快的；可怕的(adj.) __________11. 害怕；惧怕(n.) ________________12. 生物；动物(n.) ________________
13. 想知道；想弄明白(v.) ________________14. 线；线条(n.) ________________15. 拒绝(v.) ________________16. 张开(v.) ________________17. 符号；记号(n.) ________________
18. 刀(n.) ________________19. 解释；说明(v.) ________________ 20. 高兴；满意；愉快(adj.) ________________
1. 醒来_____________________ 2. 在午夜_____________________ 3. 从……朝外看 _____________________4. 向某人提及某事 _____________________5. 保持安静 _____________________6. 因为 ____________________
at midnight
lk ut f ...
mentin sth. t sb.
keep quiet
7. 在……的前面_____________________ 8. 制造噪音 _________________________9. 恐惧地；害怕地 ___________________10. 尽快 _________________________11. 同意；赞成 ___________________12. 不同意；持不同意见；有分歧 ________________
in frnt f ...
make a nise
as sn as pssible
disagree with
1. 蒂娜半夜醒来了。(wake up)__________________________________________________2. 她朝窗外看，看见空中有一道黄光。(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，蒂娜向她的兄弟汤姆提及了此事。(mentin … t)_________________________________________________4. 他们听到了一些说着一种陌生语言的声音……(hear … ding)____________________________________________________5. 宇宙飞船由于一次碰撞被毁坏了。(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. 孩子们惊慌地逃跑了。(in fear)___________________________________________________7. 我想知道它是什么意思。(wnder)___________________________________________________8. 爸爸看着这张上面有奇怪符号的纸。(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. 让我们走进一个未知的世界。unknwn是由否定前缀un+形容词knwn构成, 意为 “未知的”。
【拓展】(1) un-是含有否定意义的词缀 如：unhappy(不快乐的)，unpleasant(不愉快的)，unimprtant(不重要的)等等。(2) knw v. 知道；了解；认识 (knew, knwn)She knew everything wuld change. 她知道一切都会改变。
(3) knwn adj. 有名的；著名的；出名的（只放于名词前）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 作为……而出名
【对点专练】(1) Thugh the plice have tried their best, the wman’s identity remains (knwn)．尽管警察已经尽他们的全力，但这个女人的身份依然未知。(2) The fact everybdy. 这是众人所知的事实。
2. receive v. 收到I received yur letter f Nvember 7．我收到了你11月7日的来信。
【辨析】receive和 accept(1) receive 表示“收到”这一客观事实。Then he smiled and tld me I wuld receive an extra $100 a year.后来他笑了，并且告诉我说，我将每年收到100美元的额外收入。(2) accept 表示主动而且高兴地“接受”。She has received his present, but she will nt accept it. 她收到了他的礼物，但她不会接受的。
【对点专练】(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；惊吓的I was frightened when I saw the snake. = I was afraid/anxius when I saw the snake. 当我看到那条蛇的时候，我很害怕。【拓展】be frightened f sth. 害怕……be frightened t d sth. 害怕/不敢做某事
【同根词】(1) frightening adj. 令人害怕的I can’t frget that frightening experience. 我忘不了那段令人恐惧的经历。(2) frighten v. 使惊恐；使害怕The ghst stry frightened the children. 这个鬼故事使孩子们十分惊恐。
【对点专练】(1) She is (frighten) f darkness because she thinks that darkness is (frighten)．她害怕黑夜，因为她认为黑夜令人害怕。(2) 她害怕蛇. She snakes.
frightened
frightening
is frightened f
4. discver v. 发现；发觉；找到She discvered that the man was a thief. 她发现那个人是小偷。 【同根词】discvery n. 发现；被发现的事物 The discvery f America changed the whle wrld. 美洲的发现改变了整个世界。
【对点专练】(1) New scientific (discver) are made every day. 每天都有新的科学发现。(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. 非常讨厌的；可怕的；令人极不快的The alien discvered them and made a terrible nise! 外星人发现了他们，并且发出可怕的声音！【同根词】terribly adv. 非常地；极端地；很I am terribly srry fr that. 我为此感到很抱歉。
【小试牛刀】(1) They were caught in a _____ strm, and they felt ____ frightened.A. terribly; terrible B. terrible; terribly C. terribly; terribly(2)当他们的儿子遇难之后，他们悲痛欲绝。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）从句I wnder if yu are free this evening. 我想知道你今晚是否有空。(3) wnder + at sth. 对某事感到惊讶，诧异I wnder at her rudeness. 我对她的粗鲁表示惊讶。
(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. 怪不得他当时跳车了。【同根词】wnderful adj. 极好的；精彩的 wnderfully adv. 极好地；精彩地
【对点专练】I was just (wnder) if yu culd help me. 我只是想知道你能否帮助我。
7. refuse v. 拒绝We asked him t cme, but he refused. 我们叫他来,可是他拒绝了。【同根词】refusal n. 拒绝 He made a refusal f her invitatin.  他拒绝了她的邀请。
【搭配】(1) refuse t d sth. 拒绝做某事They refuse t admit there’s a prblem. 他们不承认有问题。(2) refuse sth. 拒绝某事She refused his invitatin. 她拒绝了他的邀请。
【对点专练】(1) He will be very sad if yu _______ his invitatin.A. accept B. refuse C. discver(2)他拒绝商量这件事，令人很恼火。His t discuss the matter is very annying.
8. explain v. 解释Wuld yu please explain t us the secret f yur success? 你可以向我们解释一下你的成功秘诀吗？【同根词】explanatin n. 解释；说明Yur plan needs sme explanatins. 你的计划需要作一些说明。
【搭配】explain neself 说明自己的意思（动机）；为自己的行为辩解He tried t explain himself. 他尽可能为自己辩解。
【对点专练】(1)你可以在百科全书中找到解释。Yu will find the (explain) in the encyclpedia. (2)他向消防员解释了一番。He the firemen.
explanatin
explained t
9. pleased adj.（= happy r glad）高兴的；满意的；愉快的I’m very pleased t hear frm yu. 收到你的来信我很高兴。
【同根词】(1) pleasure n. ①愉快；高兴；满足；乐事；乐趣I read fr pleasure. 我读书消遣。②It’s a pleasure（受到感谢时的一种礼貌回答）别客气；不用谢；是我的荣幸—Thanks very much anyhw. “无论怎样，非常感谢。” —It’s a pleasure. “别客气!”
③with pleasure用来愉快地答应对方的请求或邀请, 意为“好的；没问题；乐意效劳。”—May I brrw yur car? 我可以借你的车吗? —Yes, with pleasure. 当然可以。
(2) pleasing adj. 令人愉快的；讨人喜欢的；使人满意的；合意的 Such a view is pleasing. 这样的景色令人心旷神怡。(3) please v. 使高兴；使满意；讨人喜欢；讨好Mre than anything, I want t please yu. 最重要的是, 我想让你高兴。
【搭配】be pleased with = be happy with/be satisfied with 对……很满意 We are pleased with the huse. 我们对这栋房屋很满意。be pleased t d sth. = be happy t d sth. 很高兴做某事I am pleased t meet yu here. 我很高兴在这里见到你。
【对点专练】I was actually quite with myself as yu can imagine. A. pleasure B. pleasing C. pleased (2)观看体育比赛让他心情愉悦。Watching sprts gave him great .
1. Tina wke up at midnight. 午夜，蒂娜醒来了。wake—wke—wken v. 醒来；唤醒【搭配】wake up 醒来 wake sb. up 把某人唤醒His mther wke him up tw hurs ag. 他妈妈两个小时前把他叫醒了。I usually wake up at six ’clck in the mrning. 我通常早上6点醒来。
【拓展】awake adj. 清醒的He stayed awake at midnight. 午夜了他都还是醒着的。
【对点专练】(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，哭了起来。My kid sister (wake) up and started crying.
2. They heard sme vices speaking a strange language. 他们听到了一些人说着一种陌生的语言。(1) hear sb. ding sth. 听见某人正在做某事 hear sb. d sth. 经常听见某人做某事/听见某人做了某事(2) hear frm sb. = get a letter frm sb. 收到某人的来信
【对点专练】(1) I heard him (sing) when I went past his rm last night. 昨晚当我经过他的房间时我听见他正在唱歌。 (2) He is ften heard (read) English alud in the mrning. 经常听见他晨读英语。(3) 上星期一我收到我哥哥的来信。 I my brther last Mnday.
3. Tina mentined it t her brther Tm. 蒂娜向她的兄弟汤姆提及了这件事情。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. 她提到她看过这部电影，但是电影是什么，她一点都没有说。
【对点专练】(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)我可能没跟她提过这件事。I may nt .
have mentined it t her
4. The spaceship was damaged because f a crash. 因为碰撞, 宇宙飞船受损。(1) damage v. 毁坏；破坏The bridge was badly damaged by the earthquake. 桥被地震损坏得很严重。
damage和destry都有破坏的意思。 damage 通常是指部分性的损坏，暗示损坏后价值、功能等会降低。The sun can damage yur skin. 阳光能损伤你的皮肤。destry 通常指彻底的毁掉或毁灭，暗示无法或很难修复。The fire destryed the building. 大火毁了大楼。
(2) because f 和because ①because f后面接名词、代词或名词性短语，表示 “因为……；由于……”，相当于as a result f。 The spaceship was damaged because f a crash. 因为坠毁，宇宙飞船损坏了。②because cnj. 后面加that从句，表示 “因为”。We had t stay at hme because it rained heavily. 因为天下雨，所以我们不得不待在家里。
【对点专练】他因为生病没有来上学。(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. 有一些东西被写在宇宙飞船上。smething+动词过去分词 有某物被……Did yu ntice any pictures drawn n the wall? 你注意到墙上画的图画了吗？
【对点专练】(1)一定有一些东西被落在教室里。There must be smething (leave)in the classrm. (2)有一些学生受伤了。There are sme students (injure).
请仔细观察以下例句中的黑体部分，并掌握结论部分的内容。【观察】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.
【结论】1. because，since，as 都是表示“原因”的从属连词，引导①________从句。从句既可以位于主句的②________，也可以位于主句的③________；从句位于主句前面时，要用④________与后面的主句分开。这三个词所表达的语气由强至弱依次为：because → since → as。2. because 表示⑤________，着重点在从句，它所指的原因通常是听话人所不知道的，语气最强。常用来回答⑥________的提问。如例句1。
3. since侧重主句，从句表示明显的或已为人所知的理由，常译为“因为；既然”，语气比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常用来表示在说话人看来已经很明显，不须强调的理由。as比since语气更弱，没有since正式，常译为“由于；鉴于”。如例句3。because & because f请仔细观察以下例句中的黑体部分，并掌握结论部分的内容。
【观察】1. We didn’t enjy the day because the weather was s bad.2. The spaceship was damaged because f a crash.【结论】because f 和 because 的 意 思 都 是“⑦_______”，其区别为：because后面接⑨_______; because f 后面接⑧_____________________________。请对比：They didn’t g n a picnic because f the rain. (rain是名词)They didn’t g n a picnic because it rained. (it rained是从句)因为下雨，他们没去野餐。
名词、名词短语或人称代词宾格
特 别 注 意 ：汉 语 习 惯 说“ 因 为 …… 所 以……”，但英语中不能将 because 和 s 连用。试观察： This mvie is terrible, s we dn’t want t see it.= Because the mvie is terrible, we dn’t want t see it.因为这部电影很糟糕，所以我们不想看。（使用because和s其中一个都能译成中文“因为……所以……”）
根据下面的提示，写一篇英语小故事。80词左右，可适当拓展。内容提示：1. 有一天，你在公园里散步时看到一架UFO，有两个外星人从UFO上走了下来；2. 外星人有着蓝色的皮肤，大大的眼睛，手脚都很长；3. 你很害怕，躲在了树后面；4. 你看到那两个外星人摘下几片叶子，放进一个袋子里，然后回到UFO上离开了。
此篇作文体裁为记叙文，主要内容是讲述遇到外星人的故事。写作内容渗透着本单元的话题和语言目标——描述未知的世界。在写作过程中要明确以下几点：1.本文谈论的是自己的一次经历，故要用第一人称表达。2. 描述经历时，要使用一般过去时态。3. 写作时要交代清楚这次经历发生的时间、地点、人物、事件、经过等，可适当发表感想。