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人教版 (2019)选择性必修 第一册Unit 1 People of Achievement完美版课件ppt
展开Cmplete the flw chart f discvering artemisinin.
Tu’s team examined _____________________________, and evaluated _______ _________________________________
They discvered and tested __________ ______________________________
They tested ________________________________________________________
They tried _________________________________________________________ but______________________________
They used a _____________________ _______the sweet wrmwd extract.
They fund ne medical text suggesting ___________________________________________________
They tested the medicine _____________ t see if safe.
They tested the medicine n___________.
The medicine became _______________ ___________ fr malaria.
ver 2,000 ld
380 distinct
using the extract frm sweet wrmwd t treat a fever.
a cllectin f dried
biling fresh wrmwd and using the liquid btained frm it
this didn’t wrk either.
lwer temperature t draw
n themselves
malaria patients
medical texts
plants fr their medical prperties.
ancient Chinese medical treatments
wrmwd leaves but fund n effect
Find the wrds in the passage
She cncluded that biling the sweet wrmwd apparently destryed its medical prperties.They then tried biling fresh wrmwd, and using the liquid btained frm this t treat malaria, but this did nt wrk either.Her team examined ver 2,000 ld medical texts, and evalutated 280,000 plants fr their medical ,and decided t review ancient Chinese medical texts t find traditinal btanical treatmennts fr the disease.Using a lwer temperature t draw ut the extract, she fund a substance that wrked.
Fill in the clze using the wrds in activity 1.
Tu Yuyu and her team first tried______sweet wrmwd and used the ______btained, nly t find it didn't wrk since its medical______were destryed. It was nt until she used a lwer temperature that the _____named artemisinin, a _____treatment fr malaria, was successfully extracted.Answers: bilingliquidprpertiessubstancebtanical
distinctive
distinguish
Cnclusin----derivatin(派生法)/affixatin(缀合法)
---prefix(前缀)---suffix(后缀)Functinsprefix chages the meaning f the wrds.suffix changes the part f the speech r the meaning f the wrd.
T pursue his_____f life, Huand Danian gave up his well-paid jb in Britain and returned t China when his cuntry needed him. As a prfessr, he tried t _____and meet his students' _____needs. As a researcher, he ________himself t develping many devices needed fr deep-Earth explratin. N wnder peple_____that he was a scientist and educatr wh is wrth ur admiratin.Answers: valueanalysedistinctcmmittedcnclude
Discuss the fllwing questins.
1.What was Lu Xun's rigianal bjective?2.What made him change his mind?If yu were him, wuld yu change yur mind?Why?Which f his great qualities can be inferred frm the passage?What title wuld yu give t the passage?
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