人教版高一英语课件：unit16 period4.ppt

period 4 a lot of animals are used in experiments to develop and test new medicines. do you know which animals are used in such experiments? can you give some products that have been tested on animals? lipsticks perfume hairspray hand cream after-shave face cream soap eye drops syrups injections nose drops ear drops pills sprays paints toilet cleaner detergent bleach chemicals added to food spray cans discussion how are these products tested on animals? what may the effects be on the animals? debating 1 is it right to do animal experiments? medical scientists opinions: animal rights activists opinions: your opinions: debating 2 do people have the right to do animal experiments? medical scientists opinions: animal rights activists opinions: your opinions: homework: write a persuasive essay. you may use the arguments to support your opinions and the tips may also help you write your essay. tips on how to write an argumentative essay. title: choose a good title for your essay about animal testing. introduction: explain for what reasons animals are used in experiments and make clear on which side you are: is animal testing ok or are you an animal rights activist? second paragraph -arguments pro: choose two or three arguments from the reading to support your view. explain them in your own words:2-3 pros. third paragraph arguments con: choose two or three arguments from the reading that go against your view. explain them in your own words and show that they are not true:1-2 cons. c