Unit 9 Viewing Workshop （ppt课件）-2023新北师大版（2019）《高中英语》选择性必修第三册.pptx

1、Viewing Workshop P64新新北师大选择性必修北师大选择性必修Book 3 Unit 9 HUMAN BIOLOGY ANIMAL EXPERIMENTSRabbits are popular research tools for cosmetic research testing because they breed easily.Through experiments,a team of researchers in Japan has found that cats are able to remember events in a way observed in both

2、humans and dogs.A scientist is conducting an experiment to determine whether frogs can follow simple commands.Why do scientists like to study mice?One of the most important reasons is that Mice are easily modified genetically.1What do you know about animal experiments?Do you think it is necessary to

3、 use animals in medical research?Why or why not?Animal experiments are widely used to develop new medicines and to test the safety of other products.Many of these experiments cause pain to the animals involved or reduce their quality of life in other ways.If it is morally wrong to cause animals to s

4、uffer,then experimenting on animals produces serious moral problems.Suppose there will be a debate about animal experiments in your school next week.Will you be pro or con?Why?Animal experimentsProsConsIt contributes to cures and treatments that save human lives.It uses cruel and inhumane treatments

5、.Give your reasons.Watch Part 1 of the TV show.What facts did the presenter meniton?2Complete the notes.In Ancient Greece,animals were used in medical research over 1._.In the 18th,19th and 20th centuries,some important 2._ were made using animals.Last year,3._ animal experiments were carried out in

6、 the UK.two thousand years agomedical discoveries3.7 million In the last few years,the numbers of large animals,such as 4._,5._ and 6._ have gone down.In 2008,the testing of cosmetics was 7._ in Britain.Next year,the British government plans to 8._ the testing of _.dogscatsmonkeysbannedbanhousehold

7、products3Tina Thomas and Sam Bowden are debating the issues surrounding animal experiments.Watch Part 2 of the video.Complete the“main issues”column in the table.Then note down Tinas and Sams different views in the other two columns.Tina ThomasMain issuesSam BowdenBe careful about it.We still need i

8、t._animal testing?Use other ways,e.g.testing on humans,using computer modelsGetting rid ofTina ThomasMain issuesSam BowdenDuty to help_?Testing on _?Animal testing saves lives and helps people suffering from diseases.There are some problems,e.g.long-term effects.Yes,but without hurting animals.But w

9、hat about the effects on animals?peoplehumansTina ThomasMain issuesSam BowdenControls in _?Use of _ animals?There are strict controls.Numbers gone down,very few used now.Not enough controls.Still used.Brtainlarger4Class Work.Who do you agree with,Tina Thomas or Sam Bowden?Why?What are your arguments？Organise a debate in your class.Who do you most agree with?Tina ThomasSam BowdenYour argumentsThank you!