|
|
Unit 8 Human Biology
Theme: Topic Talk
Time Arrangement: 1 period
Learning Objectives:
1. I can talk about what the human body or mind can do.
2. I can get required information while listening.
3. I can discuss the quotes and figure out their implied meanings.
Learning process：
§ 课前预习, 发现问题
【预习评价】Write down Chinese meanings according to the tips.
1. be capable of ..._______
2. do gymnastics ________
3. run marathons __________
4. conduct research ________
5. better human life ________
6. in extreme conditions ____________
7.warm up _____________
8.on one’s own ____________
9. serve the people ________
10. be honored as __________
§ 课中学习，生成问题
Activity 1: Pair work
Talk about the things your body and mind are capable of doing.
Activity 2: Listening
Read the text builder carefully. Then listen to the dialogue and complete it by underlining the expressions you hear.
Activity 3: Speaking
Use the Text Builder to talk about things the human body or mind is capable of doing.
Activity 4: Listening
Listen to the dialogue. Write T (true) or F (false).
Activity 5 : Appreciation of the quotes
Talk about the meanings of the following quotes.
Activity 6: Presentation
Search online to find one example of new inventions that better human life. Make a short presentation about it.
§ 语言点配套练习
单句语法填空
- If you lose the ___________（capable），you will lose it forever.
- The experiments justify ____________（change) the normal method of work.
- He was one of the greatest ____________（innovate）in Chinese history.
- You will be paid according ______ the amount of work you do.
- It is contradictory _________ the two witnesses said about the accident.
§ 课后检测
I. 单词拼写
1. From his grades, I i___________ that he was a good student.
2. Marx did for the development of society what Darwin did for the development of the b___________.
3. This simply means that the user is not a passive consumer, but an active p___________.
4. Surrounded by people's misunderstanding, he was at a loss what to say to j___________ himself.
5. Animals in the zoo have lost the c___________ to catch food for themselves.
6. The popular sports in the country are boxing, cycling and ___________(田径运动会).
7. And when you choose to connect with others under stress, you can create ___________(适应力).
8. Our mission is to use Internet-related technologies for the ___________(改善) of human life.
9. We are always trying our best to improve and ___________(创新) products.
10. However, biologists ___________(推算) that there are about 20,000-25,000 polar bears worldwide.
II. 七选五
How to Activate Brain Cells
Scientists used to think that your brain stopped growing new cells once you reached adulthood. Happily, current research shows that it isn't true! As you get older, you can continue to grow new brain cells.
Get regular aerobic(有氧的) exercise.
Research shows that regular aerobic exercise over a long period of time can better improve brain cells' growth than other forms of exercise. Add aerobic activities such as swimming, power walking, or jogging, to your regular routine. ①_____
Do stress-relieving activities.
Activities that reduce stress and give you a sense of well-being can encourage the growth of new brain cells. ②_____ You can do some yoga, read your favorite book, or listen to relaxing music.
③_____
Antioxidant-rich(富含抗氧化物的) foods can prevent damage to your current brain cells and promote the growth of new, healthy cells. Omega-3 fatty acids may also help improve your brain's health. Add plenty of brain-boosting foods to your diet, such as vegetable oil, nuts, green tea, blueberries and fatty fish.
Maintain an active social life.
④_____ It's also good for your brain. Socializing helps keep your brain cells active, preventing some of the loss of brain function. If you can't socialize in person, reach your friends over the phone or on social media.
Get plenty of good-quality sleep.
If you're an adult, try to get 7 - 9 hours of sleep each night. If you're a teen, aim for 8-10 hours. Your brain heals itself of the day's stresses while you sleep. ⑤_____ You can improve your sleep by going to bed and waking up at the same time every day.
A. Spending time with friends isn't just enjoyable.
B. Eat foods rich in antioxidants and omega 3 fatty acids.
C. Any kind of head injury may put you at risk of brain damage.
D. Try to do things that bring you pleasure and help you relax every day.
E. For example, you might aim for 30 minutes of jogging a day, 5 days a week.
F. Fortunately, there are treatments that can help you restore your brain's health.
G. It also processes information you picked up during the day, helping you to learn and preserve new memories.
Ⅲ.语法填空
The dodo is the most famous creature of all the creatures 1. (become) extinct in recent history.The remains of the dodo at Oxford are one of the greatest treasures of its museum.
The dodo 2._____ (discover) by Europeans in 1507. It was a flightless bird 3.____________ lived on the island of Mauritius in the Indian Ocean.Although the dodos were easy 4._____(catch),their meat was not that tasty.Their rapid decrease was probably due less to hunting,and more to the fact 5.____________ the dogs,cats,rats and pigs, 6.____________ (introduce) to Mauritius,destroyed the dodos’ eggs and habitat.By 1680 the bird was extinct.
The dodos were a curiosity,and some were brought to Europe by 7. (wealth) collectors like John Tradescant. His 8. (collect) were later brought to Oxford.Although small in amount,these specimens (标本) represent the most complete remains of a single dodo,and are 9. great value to scientists today.
DNA research has shown the dodo is 10.____________ (close) related to pigeons and has finally solved the question of the dodo’s ancestors;without the Oxford specimens this would have been impossible.
|
|
川公网安备51152402000101号 )|网站地图
发表于