2020-2021学年Unit 1 Science and Scientists教学设计

Unit 1 Science and Scientists  Period 2 Learning about Language 教学设计

   In the aspect of learning strategies, this teaching design focuses on cultivating students' ability to use word formation to induce and memorize vocabulary, and the ability to use lexical chunks to express meaning. Besides, it made some exercise to teach students to match the verbs with the proper prepostions and then instruct them to use the appropriate chunks to complete the sentence in the context appopriately. Other exercise is aimed to guide students to use unit topic words and the sentence patterns in a richer context.

1. Guiding the Ss to use unit topic words and the sentence patterns in a richer context.

2. Cultivating students' ability to use word formation to induce and memorize vocabulary, and the ability to use lexical chunks to express meaning.

1. Instruct students to know more about suffix and prefix.
2. Enable students to use the language points in the real situation or specific contexts flexibly and appropriately.

Step1:  The teacher instructs the students to build up their vocabulary by reviewing some word-building methods such as prefix and suffix.

re:________________________       -ory : ________________________

dis: ________________________      -ion : ________________________

micro: ________________________  -ial: ________________________

trans: ________________________    -ology: ________________________

mis: ________________________      -al: ________________________

un: ________________________      -or: ________________________    

multi: ________________________   -ist: ________________________

keys:

re: retell            recycle 

-ory : theory        contradictory

dis:  disappoint    dislike 

-ion :action         invention

micro: Microsoft     microphone 

-ial: beneficial         official

trans: transform     transport 

-ology: biology     geology

mis: misunderstand     misleading 

-al: natural         actual

un: Unlike         unhappy 

-or: actor          inventor     

multi: multiple         multinational 

-ist: biologist      scientist

Step2: Make phrases by combining the words in the left box with those on the right. Then complete the senteces using the proper forms of these phrases.

1. Many scientist ____________________the view that it is human activity that has caused global warming.
2. He was to________________________the accident because he drove on the wrong side of the road.
3. The man ________________being behind the robbery was seen crossing the street.
4. Since heart disease is often ___________________our lifestyle choice, we need to make healthy lving an important part of our lives.

keys:  subscribe to  ;  blame …for…  suspect…of….. link…to….

1.subscribed to  2. blame for   3. suspected of   4. linked to

Step 3: Fill in the blanks according to the grammar rules.

1.I feel it is both of you who are__________ ( blame)for the spoiled child.

2. The new student is________sincere that all classmates want to make friends with her.

3. ________seemed that the sea lion didn't mind being with the tourists at all.

4. Wang Peng sat in his empty restaurant feeling very ________ ( frustrate ) because no customers had come to his restaurant ever since he got up in the morning.

5. The way that he did things was________ ( contradiction) to what he had said earlier this week.

6.Your________ ( subscribe) will be automatically renewed each month without notice until you cancel it.

7. He is coming here___________( pure) because he wants to participate in the football championships again.

8. The police suspect him __________having a part in the jewel robbery.

9. The vaccine is developed to protect the whole population against _________ (infect )of COVID-19.

10. It was reported that Germany had taken a lot of measures to slow the rate of infection, including closing hair and beauty studios. Other non- essential shops __________ ( shut ) already.

keys:

1. to blame  2. so   3. It  4. frustrated  5. contradictory 

6.subscription  7. purely  8. of 9.infection  10. had been shut

Step 4: Complete the sentence according to the Chinese meanings.

1. It is not unusual for an athlete to be h_____________(家喻户晓的)name while he is active, and quickly forgotten when his athletic career is over.

2. I'm sure she'll h____________(处理) the changes very well because she's very adaptable.

3. He was ready to serve dinner to his friends when he realized that he had forgotten to turn on the oven and the meat was _____________(生的) yet.

4. He used his s_________________（重大的） influence to change the thinking of the scientific community on this issue.

5. Scientists have collected more s________________（数据） than expected to prove the theory.

keys：1.household  2.handle  3. raw  4. substantial  5. statistics

Step 5: Read this passage about medical science. Complete it using the words below.

British scientists believe they may have found a way to fight the common cold. It blocks a key protein in the body cells that is to __1______________ for the spread of cold-causing virus. Targeting he host rather than __2_______________was a bit non-traditional but made sense because it was tricky to target the virus. Cold-causing virus are not only of  3_____________kinds, they also _4______________ rapidly, meaning they can quickly develop resistance to medicine. Researchers are working on making a form of medicine that can be taken directly into one’s lungs, to5____________ the chance of side effects. Though these scientists have made __6__________________ advances in their research, further___7___________ is needed to make sure such drugs are not so __8____________ that they harm the body.

keys:

1.blame  2.infection  3. multiple  4.transform  5.decrease

6.substantial  7. proof  8.severe

Step 6: Dictate the key words and phrases in this unit.

Part 1: key words:

1. proof        n．证据；证明；检验

2. multiple       adj.数量多的；多种多样的

3. household       n．一家人；家庭；同住一所(套)房子的人

4. suspect       vt.&vi.怀疑；疑有；不信任n．犯罪嫌疑人；可疑对象

5. blame        vt.把……归咎于；责怪；指责 n. 责备；指责

6. handle        n．把手；拉手；柄 vt. 处理；搬动；操纵(车辆、动物、工具等)

7. intervention       n．介入；出面；干涉

8. link        vt.把……连接起来；相关联 n. 联系；纽带

9. raw       adj.未煮的；生的；未经处理的；原始的

10. pure        adj.干净的；纯的；纯粹的

11. substantial       adj.大量的；价值巨大的；重大的

12. decrease       n．减少；降低；减少量  vt.&vi. (使大小、数量等)减少；减小；

13. statistic       n．[pl.]统计数字；统计资料；统计学

14. transform      vt.使改观；使改变形态vi.改变；转变

15. thinking       n．思想；思维；见解

16. finding       n. 发现；调查结果；(法律)判决

17. initial        adj. 最初的；开始的；第一的

18. solid       adj. 可靠的；固体的；坚实的n. 固体

Part 2:Key phrases

1．once and for all     最终地；彻底地

2．subscribe to      同意；赞同

3．thanks to      幸亏；由于

4．attend to       照料；照顾

5．think of      想起；考虑

6．as a result of     由于……的结果

7．in general      总之；通常；一般而言

8．find out      找出；查明

9．what's more      而且；另外

Step 7: complete the discourse according to the grammar rules.

Cholera used to be one of the most 1.__________ (fear) diseases in the world. In the early 19th century, _2_________ an outbreak of cholera hit Europe, millions of people died. But neither its cause, 3__________ its cure was understood. A British doctor, John Snow, wanted to solve the problem and he knew that cholera would not be controlled _4_________ its cause was found. In general, there were two contradictory theories 5 __________ explained how cholera spread. The first suggested that bad air caused the disease. The second was that cholera was caused by an _6_________(infect) from germs in food or water. John Snow thought that the second theory was correct but he needed proof. So when another outbreak of cholera hit London in 1854, he began to investigate. Later, with all the evidence he _7_________ (gather), John Snow was able to announce that the pump water carried cholera germs. Therefore, he had the handle of the pump _8_________ (remove) so that it couldn't be used. Through his intervention，the disease was stopped in its tracks. What is more, John Snow found that some companies sold water from the River Thames that __9__________________ (pollute) by raw waste. The people who drank this water were much more likely _10_________ (get) cholera than those who drank pure or boiled water. Through John Snow's efforts, the _11_________ (threaten) of cholera around the world saw a substantial increase.

Keys： 1.feared  2.when 3. nor 4.unless  5.that/which   6.infection  7.had gathered 8.removed  9.was polluted 10.to get  11. threat