人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists授课课件ppt

这是一份人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists授课课件ppt，共26页。PPT课件主要包含了自主素养储备，frustrated，decrease，transform，pure，severe，raw，proof，infection，out等内容，欢迎下载使用。

Ⅰ.新词相知(一)连线相匹配的英语释义。答案:1~8.hgbedafc
(二)结合语境,从上面的表格中选择恰当的单词填空。1.I’m feeling rather _________in my present jb; I need a cngratulates China n the significant ________f COVID-19 is nt satisfied with his life and he wants t _________himself int a successful air is very _____,and it ften rains year a ______strm turned the small village dwn t yu want yur vegetables cked r ____?7.He hasn’t gt any _____that this bike belngs t medicine was used t prtect the whle ppulatin against ________.
Ⅱ.短语熟记1.subscribe __　　　　同意;赞同2.find ___找出;查明;发现3.__ general通常;大体上;一般而言4.die _______死于(某种疾病)5.nce and ___all最终地;彻底地6.__ a result f因为;由于7.mve away _____搬走;摆脱;远离
8.be t ______该受责备;该负责 9.be _____ t有可能10.thanks __幸亏;由于
课文浅触1.Read Jhn Snw Defeats “King Chlera” and try t tell us what King Chlera is. ___________________________________________________________________________2.Hw d yu think it can spread?__________________________________________________________________________________________________________________________ 
King Chlera is a deadly infectius disease.It ften breaks ut in summer and
I think it can spread by drinking infected water, eating raw r undercked
fd.What’s mre, it can spread frm cntact with infected peple.
Step 1　Pre-reading1.Lk at the pictures and tell us wh they are.A: __________　　B: ______________　 C: _______________
Yuan Lngping
Zhng Nanshan 
2.Can yu tell us what achievements they have made?①Tu Yuyu discvered artemisinin(青蒿素), a drug that has greatly reduced the death rates fr patients suffering frm malaria(疟疾). ②Yuan Lngping develped the hybrid rice, which helps t vercme the fd shrtage prblems in China, even in ther develping cuntries. ③Zhng Nanshan has made many great achievements in the fight against COVID-19.  
Step 2　While-readingⅠ.Match the main idea with each paragraph.
Ⅱ.Read the passage and finish the fllwing task.What des the passage mainly talk abut?_______________________________________________________________________________________________________
The passage mainly talks abut hw Jhn Snw fund the cause f “King
Chlera” and finally the disease was defeated. 
Ⅲ.Chse the best f the fllwing did Jhn Snw think was the mst imprtant t defeat a disease?A.Finding its cause.　　B.Finding its its result.D.Finding its f the fllwing streets had the mst deaths frm chlera? Brad Street.B.N.8 Cambridge Brad Street.D.N.9 Cambridge Street.
3.Why did sme husehlds in N.20 and N.21 Brad Street had n deaths in the utbreak f chlera?A.Because they wrked in the pub at 7 Cambridge Street which had cleaner they had drunk free beer instead f water frm the Brad Street the beer they had drunk culd prevent against they had knwn the water frm the Brad Street pump was dangerus t drink.
4.What can we learn frm the passage?A.Plluted water was a main reasn fr spreading Street and Cambridge Street had their wn water spread thrugh Snw fund the cause f chlera by accident.
Ⅳ.Sentence explanatin.Snw began by marking n a map the exact places where all thse wh died had lived.分析:by引导的介词短语在句中作_________;where引导_________,修饰先行词places;n a map为地点状语前置;wh引导的定语从句修饰先行词_____。句意:__________________________________________________________________________
斯诺开始通过在一张地图上标明所有死者住过的确切的地方开始(调查霍
【补偿训练】The peple wh drank this water were much mre likely t get chlera than thse wh drank pure r biled water.分析:than引导_________;两个wh引导的是定语从句,分别修饰__________和_____;be likely t 意为“___________”。句意:_____________________________________________________
喝这种水的人比喝纯净水或是开水的人更有可能感染霍乱。 
Step 3　Pst-reading Jhn Snw was a famus dctr in Lndn, wh was s expert that he attended 1.__ Queen Victria as her persnal physician.But he was better-knwn fr 2.________ (defeat) “King Chlera”. Chlera was a 3.______ (dead) disease and neither its cause 4.____ its cure was understd.Jhn Snw wanted t face the challenge and slve the prblem.He 5._________(suspect) that peple absrbed this disease int their bdies with their meals.S when anther severe utbreak hit Lndn, he began his enquiry.He fund that many victims 6.______ (link) t the utbreak were near the water pump, s he had
the handle 7.________ (remve).Sn afterwards the disease slwed dwn.He drew 8.__ cnclusin that the plluted water was 9. ________(blame).  The water 10.__________(cmpany) were instructed nt t expse peple t plluted water anymre.Finally “King Chlera” was defeated.
Wrk in grups and put frward sme advice n hw t deal with sme t prevent yurself frm being infected with sme viruses?___________________________________________________________________________________________________________________________________________________________________2.What shuld be dne after chlera infectin? ________________________________________________________________________________________________________
Wash hands frequently; drink clean r biled water; d nt eat raw r
undercked fd; disinfect(消毒) regularly; d exercise regularly t build
myself up; see a dctr if I have symptms. 
Chlera is very infectius.Once chlera infectin is fund, bth light patients
and carriers shuld be islated and treated. 
　　It was a cld March day in High Pint, Nrth Carlina.The girls n the Wesleyan Academy sftball team were waiting fr their next turns at bat during practice, stamping their feet t stay warm.Eighth-grader Taylr Bisbee shivered(发抖) a little as she watched her teammate Paris White play.The tw didn’t knw each ther well—Taylr had just mved t twn a mnth r s befre.　　Suddenly, Paris fell t the grund,“Paris’ eyes rlled back,” Taylr says.“She started shaking.I knew it was an emergency.”　　It certainly was.Paris had suffered a sudden heart failure.Withut immediate medical care, Paris wuld die.At first,n ne mved.The girls were in shck.Then the sftball cach shuted ut,“Des anyne knw CPR?”
　　CPR is a life-saving technique.T d CPR, yu press n the sick persn’s chest s that bld mves thrugh the bdy and takes xygen t rgans.Withut xygen, the brain is damaging quickly.　　Amazingly,Taylr had just taken a CPR curse the day befre.Still, she hesitated.She didn’t think she knew it well enugh.But when n ne else came frward, Taylr ran t Paris and began ding CPR. “It was scary.I knew it was the difference between life and death,” says Taylr.
　　Taylr’s swift actin helped her teammates calm dwn.One girl called 911.Tw mre ran t get the schl nurse, wh brught a defibrillatr, an electrnic device(器械) that can shck the heart back int wrk.Luck stayed with them. Paris’ heartbeat returned.　　“I knw I was really lucky,” Paris says nw.“Mst peple dn’t survive this.My team saved my life.”　　Experts say Paris is right. Fr a sudden heart failure, the single best chance fr survival is having smene nearby step in and d CPR quickly.
　　Tday,Paris is back n the sftball team.Taylr will apply t cllege sn.She wants t be a nurse.“I feel mre cnfident in my actins nw,” Taylr says.“I knw I can act under pressure in a scary situatin.”【语篇概述】这是一篇记叙文,讲述了一个女孩在队友心脏病发作而自己对CPR(心肺复苏)并不十分熟练的情况下挺身而出,挽救队友生命的故事。
Ⅰ.Read the passage and get the main idea f the text.____________________________________________________________Ⅱ.Chse the best happened t Paris n a March day?A.She caught a bad had a sudden heart was kncked dwn by a shivered terribly during practice.【解析】选B。细节理解题。由第三段中“Paris had suffered a sudden heart failure”可知,答案为B。
Hw did Taylr save Paris’ life in time using her knwledge f CPR? 
2.Why des Paris say she was lucky?A.She made a wrthy recvered frm received immediate came back n the sftball team.【解析】选C。细节理解题。由文章倒数第二、三段的内容可知,Taylr通过及时做心肺复苏将Paris救了回来,因此选C。