高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课前预习ppt课件

这是一份高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课前预习ppt课件，共14页。PPT课件主要包含了medical，that，to study等内容，欢迎下载使用。
Step 1: Starting ut
Activity 1: Lk at the page frm a science magazine and answer the questins.1. What d yu knw abut these animals? What makes them special? 2. What ther similar animals d yu knw abut? Share yur knwledge with the class.
UNUSUAL ANIMALS TODAY
Step 2: Understanding ideas
Activity 1: Lk at the pictures and answer the questins.1. What species d yu recgnise in the picture?paramecium, earthwrm, snail, crab, fish, trtise, bird, hrse, human, frg, algae, mss, What factrs can cause the prcess f evlutin?variatin, heredity, natural selectinActivity 2 Read the passage and talk abut yur understanding f the title.Activity 3 Chse the main idea f the passage and give yur reasns.
1.What d we knw abut Charles Darwin frm the first paragraph?A. His father was disappinted abut him. B. He wasn't interested in his lessns at cllege.C. He knew the captain f the Beagle very well. D. He wanted t travel arund the wrld by ship.2. What was Charles Darwin interested in?A. Travelling arund the wrld. B. Living things n Earth. C. Cmmunicating with thers. D. Ding research n resurces.
3. Frm the sixth paragraph, what was Chareles Darwin brave t d?A. T travel alne in the muntains. B. T fight against ther peple.C. T express his wn ideas. D. T inspire thers t tell the truth.4. What did Charles Darwin base his thery n?A. Ding experiments. B. Scientific research. C. Traditinal beliefs. D. Famus sayings.5. What des this text mainly tell us abut?A. Why peple respect Charles Darwin s much.B. Why Charles Darwin was interested in living things.C. Hw lucky Charles Darwin was in his early years.D. Hw Charles Darwin's Thery f Evlutin came ut.
Activity 3 Number the puzzle pieces in rder. Organise infrmatin frm the passage and cmplete them.
1. On His Jurneyvarius leaving things in their natural envirnments and samples f the plants and animals he had cllected//very similar t each ther2. Generate Ideascme t exist// Maybe animals evlved as they adapted t their changing envirnments?3. Lk Fr Mre Evidencethat there was a difference between the finches n each f the islands.//had evlved accrding t what fd was available n that particular island.
4. Develping Ideashad evlved frm a cmmn ancestr, which had arrived n the islands a lng time befre // slwly evlved int many new species.5. Prpse A Theryhad evlved frm lwer frms f life.
Paraphrase sentences:
1. What’s mre, he had recently received a letter frm his father predicting that he wuld be “a disgrace t yurself and all yur family”.Paraphrase: Besides, he had received a letter frm his father, in which his father said that he wuld nt nly make himself but als the whle family feel ashamed.predicting 在此处作定语，修饰前面的letter.a disgrace t ：t have a very bad effect n the pinin that peple have f yur family r the grup that yu belng t. 固定搭配：是...的耻辱
2. saw a variety f new species, but it was the birds that interested him the mst.Paraphrase: Amng all different kinds f species he saw, Darwain was mst interested in the birds.a variety f: 各种各样的；varius是variety的形容词形式。句中but 后面的句中用了强调句型：It is/was +强调内容+that/wh(强调人)...
3. It was nt published until 1859 and immediately caused a strm.Paraphrase: Only in 1859 did the bk cme ut and at nce it caused a great sensatin.cause a strm 本意为“引起风暴”，这里取其引申义“引起轰动”。例如：The newspaper is in its decling years. They dn't care; they quite like t cause a strm.(这家报纸正在走下坡路，它们豁出去了,一心只想制造轰动。)
4. But Darwin’s scientific studies were s cnvincing that mre and mre peple started t believe his thery.Paraphrase: His scientific studies prvided strng evidence s that a grwing number f peple began t accept his thery.此处cnvincing 意为“making yu believe that smething is true r right.”例如：There is cnvincing evidence that smking causes lung cancer.(有令人信服的证据表明吸烟导致肺癌。)cnvince sb. f sth. 使某人确信 cnvinced me f his truthfulness t me.他使我相信他对我是忠心耿耿的.
Imprtant phrases:1.f all time2. in questin3.be crwded with4.cme t exist5.adapt t 6.refuse t d 7.be regarded as8.begin with
1.一直以来2.讨论(或议论)中的3.挤满形成，存在5.适应6.拒绝做某事7.被认为，被当作8.以...开始
课文语法填空：As a yung man Charles Darwin was regarded as 1._____disgrace t himself and his family. He didn't cmplete his 2.________ (medicine) degree at cllege. Hwever, his adventures n the Beagle led him t ne f the mst imprtant 3.___________ (discvery).The jumey n the ship, the Beagle, ffered him a gd pprtunity 4. ________ (sudy) the living things n the islands. He was s fascinated by rcks, plants and animals n the islands 5._____ he gt his rm crwded with samples. It was believed at that time that all species 6.___________(appear) n Earth at the same time and hadn't changed since. Thrugh his careful bservatin, he began t think 7._________ ( different).
differently
had appeared