高中英語外研版 (2019)必修第二冊Unit 6 Earth first精品課件ppt-課件下載-教習(xí)網(wǎng)

Unit 6　Earth first
Period Two　Starting out, Understanding ideas & Using language—Language points
PART 1
基礎(chǔ)自測
PART 2
互動探究
PART 3
達(dá)標(biāo)檢測
PART1
基礎(chǔ)自測
自主學(xué)習(xí) 落實基礎(chǔ)知識
Ⅰ.重點單詞1. n. 鯊(魚)2. v. (通常指使用呼吸設(shè)備的)潛水3. v. 把……作為目標(biāo)4. n. (尤指通過行為表現(xiàn)出的對某事的一般)看法，態(tài)度5. n. 海洋，大海6. v. 使……突出，使注意力集中于7. n. (野生生物)保護(hù)區(qū)8. n. 員工9. v. 建立，設(shè)立
shark
dive
target
attitude
ocean
highlight
reserve
staff
establish
10. v. 破損，損害，損傷11. n. 洪水，水災(zāi)12. n. 煤氣、電力、自來水等供應(yīng)(系統(tǒng))13. v. 使恢復(fù)14. v. 采取(某種方法)15. v. 使(某人)驚恐，嚇唬 → adj. 害怕的；驚恐的16. adv. 幸運地 → adj. 幸運的 → n. 運氣
damage
flood
supply
restore
adopt
scare
scared
fortunately
fortunate
fortune
17. n. 滅絕，絕種 → adj. 滅絕的18. v. 致力，獻(xiàn)身，傾注 → adj. 摯愛的；投入的 → n. 致力；獻(xiàn)身19. n. 殘忍，殘酷，殘暴 → adj. 殘忍的；殘酷的 → adv. 殘忍地；殘酷地20. v. 影響 → n. 影響
extinction
extinct
devote
devoted
devotion
cruelty
cruel
cruelly
affect
effect
掌握規(guī)律　巧記單詞以字母e結(jié)尾的形容詞變副詞的方法：(1)直接在后面加ly，無需去字母e，如：immediately，politely，widely。(2)去掉字母e，再加ly，只有一個單詞：true→truly。(3)以le結(jié)尾的單詞把e換為y，如：able→ably，possible→possibly。
Ⅱ.核心短語1. 參考；涉及；指的是2. 害怕地；恐懼地3. 由于，因為4. 害怕……5. 對……有影響6. 以……為根據(jù)7. 偶然遇到8. 而不是9. 弄錯10. 保護(hù)……免遭……
refer to
in fear
due to
be scared of
have an effect upon
be based on
come across
rather than
by mistake
protect...from...
Ⅲ.經(jīng)典句式1.not only...but also...不但……而且……This was due to fear of sharks， finning.這不僅是因為害怕鯊魚，而且還是因為切去魚鰭。2.be doing...when...正在做……這時……In 1980，Benchley he came across an awful sight.在1980年，本奇正在潛水，這時他遇到了一個可怕的場景。
not only
but also
was diving when
3.where引導(dǎo)的定語從句It was an area ，and the sea floor was covered with dead sharks.那是一個漁民切魚鰭的區(qū)域，海底布滿了死鯊魚。4.部分否定Fortunately， who watched the film Jaws became afraid of sharks.幸運的是，并不是所有看過《大白鯊》這部電影的人都害怕鯊魚。
where fishermen were finning
not everyone
PART 2
互動探究
探究重點互動撞擊思維
refer to查閱；參考；談到；涉及；指的是
1
What environmental problem does each cartoon refer to？每幅卡通畫涉及的是什么環(huán)境問題？
[一詞多義]　寫出下列句中refer to的漢語意思(1)What does the underlined word “stumbles” in Paragraph 2 refer to？(2019·全國Ⅰ)________(2)She referred to the last page of the book for answers. _____(3)These books refer to Asian problems. _____
重點詞匯
指的是
查閱
涉及
※refer to...as...把……當(dāng)作……；稱……為……refer...to...把……提交給……(以求獲得幫助)※reference n.談及；提及；參考；查閱
(4)The scientist the discovery the most exciting new development in this field.這位科學(xué)家將這一發(fā)現(xiàn)稱作是這個領(lǐng)域中最令人興奮的新進(jìn)展。(5)If he gives you any more trouble， .如果他再找你麻煩，叫他來找我。注意：在表示“查閱”之意時，refer to后多接參考資料(詞典、書籍等)；look up多接查詢的內(nèi)容。
referred to
as
refer him to me
2
People have always been scared of sharks，but Jaws made things worse.人們一直都害怕鯊魚，但是《大白鯊》使得情況更糟糕。
be scared of sb. /sth. 害怕某人/某事
※(be) scared to death嚇?biāo)懒? be scared to do sth. 害怕/不敢做某事※scare v.使(某人)驚恐；嚇唬 scare sb. into doing sth. 恐嚇某人做某事 scare sb. to death把某人嚇得要死 scare sb. away/off將某人嚇跑
(1)She is scared of surfing on the sea while her brother is fond of it.她害怕在海上沖浪，然而她弟弟非常喜愛。(2)Rock climbing was a fun thing but I was scared to (die) from the start.攀巖很有趣，但開始時我嚇得要死。(3)She was scared (go) to the beach because she had seen crocodiles there.她不敢去海灘，因為在那兒她見過鱷魚。(4)Some parents try to .有些父母試圖用嚇唬的辦法使孩子們守規(guī)矩。
death
to go
scare their children into behaving well
3
This was not only due to fear of sharks，but also finning.這不僅是因為害怕鯊魚，而且還是因為切去魚鰭。
(1)Due to the wrong route they took，they spent more time than expected getting to the destination.由于選擇了錯誤的路線，他們用了比預(yù)計多的時間到達(dá)目的地。(2)Mistakes may have serious results.由于疏忽大意造成的錯誤可能帶來嚴(yán)重的后果。注意：due to可在句中作表語、定語或狀語。
due to由于……；因為
due to carelessness
(3)The boat is due (arrive) at 12，so remember to meet me on time.船預(yù)計在12點到，記著準(zhǔn)時去接我。(4)Thank you for delivering my goods here.Ten dollars is due you.多謝你把貨物送到這兒，我應(yīng)付你10美元。
due adj.欠款的；預(yù)定的；到期的be due to do sth. 預(yù)定/計劃(做)某事be due to sb. 應(yīng)支付/給予/歸于某人
to arrive
to
4
In 1980，Benchley was diving when he came across an awful sight.在1980年，本奇正在潛水，這時他遇到了一個可怕的場景。
come out出版；開花come about發(fā)生come up出現(xiàn)；被提出come up with提出；想出
come across(偶然)遇見
(1)She came across some old photos in the case before she left for Shanghai.去上海前，她在箱子里偶然翻到了一些老照片。[選詞填空]　從以上方框中選擇合適的短語填空(2)She has a mental toughness that did not by chance.(3)I wonder when the matter will for discussion?(4)She a new suggestion to solve the problem last night.
come about
come up
came up with
5
Sharks don’t target humans.鯊魚不把人作為攻擊目標(biāo)。
※target sth. on/at...把某物對準(zhǔn)……※aim at the target瞄準(zhǔn)目標(biāo) hit/miss the target 中/脫靶
target vt.把……當(dāng)作批評對象；以……為攻擊目標(biāo) n.目標(biāo)；靶；受批評的對象
(1)This retired old man has been targeted for one of his blog posts on the Internet.這位退休的老人因其網(wǎng)上的一個博客帖子而成為攻擊的目標(biāo)。(2)We’ll reach the sales targets in a month which we set at the beginning of the year.我們將在一個月內(nèi)達(dá)到年初設(shè)定的銷售目標(biāo)。(3)This TV show about wildlife is mainly targeted the factories which have been polluting the environment.這個關(guān)于野生動物的電視節(jié)目主要針對那些污染環(huán)境的工廠。(4) (hit) the target，you have to aim at it.為擊中目標(biāo)，你必須瞄準(zhǔn)它。
at/on
To hit
6
Now，she is a model and performance artist devoted to ocean conservation.現(xiàn)在，她是一個致力于海洋保護(hù)的模特和表演藝術(shù)家。
※devote...to...把……奉獻(xiàn)給；把……專注于 devote oneself to致力于；獻(xiàn)身于※devoted adj.深愛的；忠誠的 be devoted to專心于；致力于※devotion n.關(guān)愛；奉獻(xiàn)
devote vt.獻(xiàn)身；專心于(常與介詞to連用)
(1)As we all know，he’s a generous，devoted，active and warm-hearted man.眾所周知，他是一個慷慨大方、忠誠、積極又熱心的人。(2)I don’t think we should devote any more time to (persuade) such a stubborn man to change his mind.我認(rèn)為我們不應(yīng)該花時間去說服這么頑固的一個人改變主意。(3)He is so to his English teaching that I admire him for his .(devote)他如此深愛他的英語教學(xué)，以至于我對他的奉獻(xiàn)感到敬佩。
persuading
devoted
devotion
7
In recent years，we have seen large areas of wetland that were damaged by human activity.在最近幾年里，我們發(fā)現(xiàn)了大面積的被人類活動破壞的濕地。
※cause/do damage to對……造成損害；損害……※damage one’s health損害某人的健康
damage n.& vt.損失；損害
(1)Damage caused by the earthquake disaster can’t be ignored.地震災(zāi)害導(dǎo)致的損失不容忽視。(2)This could our environment.這可能會對我們的環(huán)境造成嚴(yán)重的破壞。(3)As we all know，smoking can .眾所周知，吸煙會損害我們的健康。
cause serious damage to
damage our health
8
We’ve also seen droughts and floods caused by these changes，which affect the water supply downstream. 我們也看到了這些變化引起的干旱和洪水，這影響了下游的供水。
※be affected by被……侵襲/感動※effect n.影響；結(jié)果；效力 have an effect on/upon對……有影響 in effect實際上；在實施中，有效 come into effect生效；開始實施 take effect起作用※effective adj.有效果的
affect vt.影響；對……有影響；侵襲；感動
(1)When I was 50，my weight problem began to affect me seriously.當(dāng)我50歲時，體重問題開始嚴(yán)重地影響我。(2)To some extent，the measure the government has taken has a great effect on/upon the remote villages.在某種程度上，政府采取的這項措施已經(jīng)對那些偏遠(yuǎn)的山村產(chǎn)生了極大的影響。(3)We were deeply affected the news of her death.她死亡的消息使我們非常傷感。(4) ，he didn’t like the new film at all.實際上，他根本不喜歡這部新電影。
by
In effect
(5)Do you know when the new traffic rules ？你知道新交規(guī)是什么時候生效的嗎？(6)The government will take some (effect) measures to deal with it.政府會采取一些有效的措施來處理它。
came into effect
effective
In 1980，Benchley was diving when he came across an awful sight.在1980年，本奇正在潛水，這時他遇到了一個可怕的場景。
be doing sth. when...正在做某事這時(突然)……。when為并列連詞，相當(dāng)于and just at that time。be about to do...when ...正要做……這時……be on the point of doing...when...正要做……這時……h(huán)ad just done...when...剛剛做完……這時……
經(jīng)典句式
1
(1)I was walking along the street when I heard my name called.我正在街上走著，突然聽到有人叫我的名字。(2)I was on the point of telephoning him when his letter arrived.我正要給他打電話，這時他的信到了。(3)We were about to start it began to rain.我們正要動身，這時突然下起雨來。(4)I had just finished my test paper ，announcing the exam was over.我剛完成試卷這時宣告考試結(jié)束的鈴聲響了。
when
when the bell rang
2
Fortunately，not everyone who watched the film Jaws became afraid of sharks... 幸運的是，并不是所有看過《大白鯊》這部電影的人都害怕鯊魚……
該句是表示部分否定的句型。not everyone ...＝everyone ...not ...，意為“并非每個人都……”。當(dāng)not與all， both， everyone， everybody， everything以及“every＋名詞”出現(xiàn)在同一個句子中時，不管not在它們之前還是之后都表示部分否定。
(1)Every boy is not interested in sports.＝ is interested in sports.并非所有的男孩都喜歡運動。(2)As far as I know，not both of them smoke.＝As far as I know，____________ .據(jù)我所知，他們倆不都抽煙。注意：當(dāng)表示完全否定意義時，英語中常用no，none，nobody，nothing，no one，neither等詞與謂語動詞的肯定式連用來表達(dá)。(3)None of us was allowed to go there.我們?nèi)疾槐辉试S去那里。
Not every boy
both of them
don’t smoke
PART 3
達(dá)標(biāo)檢測
當(dāng)堂檢測基礎(chǔ)達(dá)標(biāo)演練
1.The girl (refer) to in his speech was an excellent player.2.We were all scared death when we found the ground was shaking.3.The advertisement (target) on the old and it is a great success.4.Nowadays many school children devote too much time to (play) computer games.5.The earthquake did damage the area where many houses fell down and many people were trapped in ruins.
Ⅰ.單句語法填空
referred
to
is targeted
playing
to
6.John was studying in his room he heard someone screaming.7.It is a fact that our products (affect) by imported(進(jìn)口的) goods at present.8.She has been absent from work to her illness for weeks，which makes her boss worried.
when
are being affected
due
9.If you don’t know the word’s meaning， .如果你不知道這個單詞的意思，可以查詞典。10.I when I saw the lion coming up to me.當(dāng)看到獅子朝我走來時，我嚇得要死。11.I I heard a cry for help.我正沿著河邊走，突然我聽見求助的叫喊聲。12. to work.＝ to work.并非每個人都喜歡騎自行車上班。
Ⅱ.完成句子
you can refer to the dictionary
was scared to death
was walking along the river when
Not everyone is fond of cycling
Everyone isn’t fond of cycling

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