Unit 9 Human Biology Viewing Workshop 课件（共18张，内嵌视频）2024-2025学年高二英语北师版（2019）选择性必修3

(共18张PPT)
Viewing Workshop
Unit 9 Human Biology
To view for general understanding and specific information;
To watch an episode about a debate on animal experiments;
To participate in a debate showing what they reacall and understand about a topic.
Learning objectives
ANIMAL EXPERIMENTS
Rabbits 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 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.
1
What do you know about animal experiments Do you think it is necessary to 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 suffer, 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 experiments Pros Cons
It contributes to cures and treatments that save human lives. It uses cruel and inhumane treatments.
... ...
... ...
... ...
Give your reasons.
Watch Part 1 of the TV show. What facts did the presenter meniton
2
Complete 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 the UK.
two thousand years ago
medical discoveries
3.7 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 ___________________.
dogs
cats
monkeys
banned
ban
household products
3
Tina 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 Tina’s and Sam’s different views in the other two columns.
Tina Thomas Main issues Sam Bowden
Be careful about it. We still need it. ____________ animal testing Use other ways, e.g. testing on humans, using computer models
Getting rid of
Tina Thomas Main issues Sam Bowden
Duty 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 what about the effects on animals
people
humans
Tina Thomas Main issues Sam Bowden
Controls in __________
Use of ______ animals
There are strict controls.
Numbers gone down, very few used now.
Not enough controls.
Still used.
Brtain
larger
4
Class 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 Thomas Sam Bowden
Your arguments