北师大版（2019）选择性必修第三册Unit 9 Human Biology Lesson 3 Epidemics Explained 第2课时课件(21张ppt)
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| 名称 | 北师大版（2019）选择性必修第三册Unit 9 Human Biology Lesson 3 Epidemics Explained 第2课时课件(21张ppt) |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 北师大版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-12-26 18:44:12 | ||
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(共21张PPT)
Unit 9 Human Biology
Lesson 3 Epidemics Explained
Period 2
Revision
Homework Check
Search online in groups and find some information about epidemics in China or Asia. Report your information to the class.
She made us take down all the posters.
Observing
She decided to take over all businesses.
She feels ready to take on new responsibilities.
Study the examples and pay attention to the words in bold.
What are the words in bold
Phrasal Verbs
短语动词(Phrasal Verbs)是由两三个单词组成的动词，可以是及物的(带宾语)，也可以是不及物的（不带宾语）。如：
I get up early even at the weekend.
I get over the difficulties in the task.
短语动词比较复杂，很多短语形式相似意思却不同，如：
take down, take over, take on
Exploring the rules
短语动词
Learn the key points.
有的短语动词中间可以插入名词，有的则不能。
Exploring the rules
短语动词
(1)可拆分的短语动词，如：
I forgot to turn off my computer when I left the office.
I forgot to turn my computer off when I left the office.
(2)不可拆分的短语动词，如：
I came across an interesting article in the newspaper.
I’m looking forward to spending time with my sister.
学习短语动词的困难在于：没有规则确定短语动词是及物或不及物，可拆分或不可拆分，必须逐一学习。
Exploring the rules
短语动词
verb examples
go away, around, with, without, against, under, over, for, in for, through, through with, off
get over, through, in, into, on, with, down, at, down with, out of, away from, along, along with
come along, with, over, into, out, out with, by, down with, on, across
Exploring the rules
Word Builder Phrasal Verbs (2)
at into over up with through under up away
(The prepositions and adverbs may be used more than once.)
go
get
come
Choose prepositions or adverbs in the box to make phrasal verb with the three verbs in the Word Builder.
at, into, over, through, up, away
at, into, over, through, up, away
at, into, over, up with, under, up, away
Exploring the rules
go at sb = attack sb 攻击某人
e.g. They went at each other furiously.
go into sth 详细调查(或研究)某事
e.g. We need to go into the question of costs.
go over sth
(1) 仔细检查某物
e.g. Go over your work before you hand it in.
(2) 反复研究，仔细琢磨
e.g. He went over the events of the day in his mind.
go
Exploring the rules
go through sth
(1) 仔细检查某物
(2) 经历，遭受
e.g. She’s been going through a bad patch recently.
go up（价格，温度等）上涨，上升
e.g. The price of vegetables is going up.
go away 消失
e.g. The smell hasn’t gone away.
go
Exploring the rules
get at sb 一再批评某人
e.g. She feels she’s being got at.
get at sth 获悉，了解，查明，发现
e.g. The truth is sometimes difficult to get at.
get into sth 费力穿上
e.g. I can’t get into these shoes — they’re too small.
get over sth 解决，克服，控制
e.g. She can’t get over her shyness.
get
Exploring the rules
get through sth 耗尽
e.g. We got through a fortune while we were in New York.
get up 起床
e.g. John always gets up early.
get away 度假，休假
e.g. We’re hoping to get away for a few days at Easter.
get
Exploring the rules
come at sb 扑向（某人）
e.g. She came at me with a poster.
come at sth （用某方法）考虑，思考
e.g. We’re getting nowhere — let’s come at it from
another angle.
come into sth 继承，得到（遗产）
e.g. She came into a fortune when her uncle died.
come over sb 影响某人
e.g. A fit of dizziness came over her.
come
Exploring the rules
come up with 想出；提出；拿出（一笔钱等）
e.g. She came up with a new idea for increasing sales.
come under sth 归入，归类
e.g. What heading does this come under
come up（太阳）升起
e.g. We watched the sun to come up.
come away 脱落，分离
e.g. The plaster had started to come away from the wall.
come
Practice
1. The medical expert asked a few questions to try to _____________ the truth.
2. Books on epidemics _____________ the medicine section of the store.
3. During this course, we’ll _____________ the main causes of bird flu.
4. It took him a week to _____________ the flu.
5. Has your headache _____________ yet
6. The price of this drug has _____________ twenty cents since August.
7. Are you willing to stand by him and help him _____________ this difficult time.
8. Jordan has _____________ some creative ideas for helping the sick.
Use the phrasal verbs to complete the following sentences.
come at
go under
go over
get over
get over
gone up
go through
come up with
get at go into get over go away
get through come under go up come up with
Practice
1. Articles on brain _____________ biology.
2. The company will _____________ a new technique for detecting doping.
3. As a Medicine major, he always _____________ the reasons for diseases.
4. Diseases come on horseback, but _____________ on foot.
5. Sometimes, it is not easy to __________ the doctor’s meaning.
6. It took me a long time to __________ my cold.
7. Numbers of patients __________ because of the poor air condition.
8. I cannot imagine how people in the north will _________ such a long and cold winter.
Choose the correct phrasal verbs to complete the sentences.
come under
come up with
goes into
goes away
get at
get over
go up
go through
lung virus pose rare trial infectious nation factor globe
Practice
Tuberculosis(TB) is a serious (1) _________ disease that can easily spread from one person to another. It affects the (2) _________ and is passed on through tiny drops of saliva released when someone coughs or sneezes. Due to better understanding of the disease and how to treat it, it is now quite (3) _________ in the developed world. Parts of the (4) _________, such as some parts of Africa, Asia and Latin America experience higher rates of TB. In (5) _________ with high rates of human immunodeficiency (6) _________ (HIV), however, the incidence of TB is also quite high, as TB spreads quickly among people with weak immune systems. Other risk (7) _________ for catching the disease include age (being very young or old), hunger and malnutrition and having serious illness such as cancer or diabetes. Living in poor or unhealthy conditions or working in hospitals and other health facilities also (8) _________ a risk to people. There are some vaccines that can be used in young children to prevent TB but they are not effective for adults. (9) _________ and testing of other vaccines are ongoing.
Complete the text using the correct form of the words below.
infectious
lung
rare
globe
nations
virus
factors
poses
Trials
Practice
An epidemic is an (1) __________ disease that spreads rapidly to a large number of people within a short period of time. Epidemics have been occurring as long as humans have been on Earth. Some epidemics are (2) __________ of previous viruses.
A disease reaches epidemic levels when a certain number of deaths occur as a result of it and this number will be different for each disease. One disease might result in just a few deaths but be classified as an epidemic, as (3) __________ others such as the flue, which is (4) __________ but has much higher baselines.
variation lung widespread trial oppose to globe pose estimate infectious
Complete the speech using the correct form of the words and phrase below.
infectious
variations
opposed to
widespread
Practice
In human history, there have been some deadly epidemics. In the early 20th century, the Spanish Flu of 1918 was a massive epidemic that killed an (5) _________ of 50 million people, more than the number of people who died in World War I. Initially, it was believed that epidemics (6) _________ littler threat to the modern world, until SARS outbreak in 2002. The SARS epidemic started as a (7) _________ disease in China but eventually spread across the (8) _________ to countries such as Canada and Vietnam. It resulted in the infection of about 8,000 people and since then, scientists have undertaken (9) _________ on treatments to prevent future deaths.
estimate
posed
lung
globe
trials
variation lung widespread trial oppose to globe pose estimate infectious
Practice
Chen Xi: Isn’t it really bad if you get Ebola
Jonathan: Yes, Ebola (1) ____ (be) a serious life-threatening disease. I (2) ______ (find) out that the first person to die in this outbreak was a 2-year-old child who (3) _____ (live) in a rural village in Guinea, Africa.
Chen Xi: How terrible!
Jonathan: Yes, but by November 2014 there (4) ________ (have) almost 5,000 deaths. Some experts believe that figure (5) ____ (be) higher because some people (6) _______ (do not) seek medical help.
Chen Xi: I (7) __________ (discover) that the virus (8) ______ (spread) from one person to another. In this outbreak, symptoms (9) _________ (appear) between eight to ten days after direct contact with an infected person.
Jonathan: How can they stop another large outbreak
Chen Xi: They (10) ________________ (not develop) a vaccine yet, but they have learnt to isolate patients when they have symptoms.
Jonathan: I hope scientists can develop a vaccine soon.
Complete the dialogue with the correct form of the verbs in brackets.
is
found
lived
had been
is
did not
discovered
spread
appeared
haven’t developed
Assignment
Write a paragraph about what you have learnt from this lesson with words that go together.
Goodbye!
Unit 9 Human Biology
Lesson 3 Epidemics Explained
Period 2
Revision
Homework Check
Search online in groups and find some information about epidemics in China or Asia. Report your information to the class.
She made us take down all the posters.
Observing
She decided to take over all businesses.
She feels ready to take on new responsibilities.
Study the examples and pay attention to the words in bold.
What are the words in bold
Phrasal Verbs
短语动词(Phrasal Verbs)是由两三个单词组成的动词，可以是及物的(带宾语)，也可以是不及物的（不带宾语）。如：
I get up early even at the weekend.
I get over the difficulties in the task.
短语动词比较复杂，很多短语形式相似意思却不同，如：
take down, take over, take on
Exploring the rules
短语动词
Learn the key points.
有的短语动词中间可以插入名词，有的则不能。
Exploring the rules
短语动词
(1)可拆分的短语动词，如：
I forgot to turn off my computer when I left the office.
I forgot to turn my computer off when I left the office.
(2)不可拆分的短语动词，如：
I came across an interesting article in the newspaper.
I’m looking forward to spending time with my sister.
学习短语动词的困难在于：没有规则确定短语动词是及物或不及物，可拆分或不可拆分，必须逐一学习。
Exploring the rules
短语动词
verb examples
go away, around, with, without, against, under, over, for, in for, through, through with, off
get over, through, in, into, on, with, down, at, down with, out of, away from, along, along with
come along, with, over, into, out, out with, by, down with, on, across
Exploring the rules
Word Builder Phrasal Verbs (2)
at into over up with through under up away
(The prepositions and adverbs may be used more than once.)
go
get
come
Choose prepositions or adverbs in the box to make phrasal verb with the three verbs in the Word Builder.
at, into, over, through, up, away
at, into, over, through, up, away
at, into, over, up with, under, up, away
Exploring the rules
go at sb = attack sb 攻击某人
e.g. They went at each other furiously.
go into sth 详细调查(或研究)某事
e.g. We need to go into the question of costs.
go over sth
(1) 仔细检查某物
e.g. Go over your work before you hand it in.
(2) 反复研究，仔细琢磨
e.g. He went over the events of the day in his mind.
go
Exploring the rules
go through sth
(1) 仔细检查某物
(2) 经历，遭受
e.g. She’s been going through a bad patch recently.
go up（价格，温度等）上涨，上升
e.g. The price of vegetables is going up.
go away 消失
e.g. The smell hasn’t gone away.
go
Exploring the rules
get at sb 一再批评某人
e.g. She feels she’s being got at.
get at sth 获悉，了解，查明，发现
e.g. The truth is sometimes difficult to get at.
get into sth 费力穿上
e.g. I can’t get into these shoes — they’re too small.
get over sth 解决，克服，控制
e.g. She can’t get over her shyness.
get
Exploring the rules
get through sth 耗尽
e.g. We got through a fortune while we were in New York.
get up 起床
e.g. John always gets up early.
get away 度假，休假
e.g. We’re hoping to get away for a few days at Easter.
get
Exploring the rules
come at sb 扑向（某人）
e.g. She came at me with a poster.
come at sth （用某方法）考虑，思考
e.g. We’re getting nowhere — let’s come at it from
another angle.
come into sth 继承，得到（遗产）
e.g. She came into a fortune when her uncle died.
come over sb 影响某人
e.g. A fit of dizziness came over her.
come
Exploring the rules
come up with 想出；提出；拿出（一笔钱等）
e.g. She came up with a new idea for increasing sales.
come under sth 归入，归类
e.g. What heading does this come under
come up（太阳）升起
e.g. We watched the sun to come up.
come away 脱落，分离
e.g. The plaster had started to come away from the wall.
come
Practice
1. The medical expert asked a few questions to try to _____________ the truth.
2. Books on epidemics _____________ the medicine section of the store.
3. During this course, we’ll _____________ the main causes of bird flu.
4. It took him a week to _____________ the flu.
5. Has your headache _____________ yet
6. The price of this drug has _____________ twenty cents since August.
7. Are you willing to stand by him and help him _____________ this difficult time.
8. Jordan has _____________ some creative ideas for helping the sick.
Use the phrasal verbs to complete the following sentences.
come at
go under
go over
get over
get over
gone up
go through
come up with
get at go into get over go away
get through come under go up come up with
Practice
1. Articles on brain _____________ biology.
2. The company will _____________ a new technique for detecting doping.
3. As a Medicine major, he always _____________ the reasons for diseases.
4. Diseases come on horseback, but _____________ on foot.
5. Sometimes, it is not easy to __________ the doctor’s meaning.
6. It took me a long time to __________ my cold.
7. Numbers of patients __________ because of the poor air condition.
8. I cannot imagine how people in the north will _________ such a long and cold winter.
Choose the correct phrasal verbs to complete the sentences.
come under
come up with
goes into
goes away
get at
get over
go up
go through
lung virus pose rare trial infectious nation factor globe
Practice
Tuberculosis(TB) is a serious (1) _________ disease that can easily spread from one person to another. It affects the (2) _________ and is passed on through tiny drops of saliva released when someone coughs or sneezes. Due to better understanding of the disease and how to treat it, it is now quite (3) _________ in the developed world. Parts of the (4) _________, such as some parts of Africa, Asia and Latin America experience higher rates of TB. In (5) _________ with high rates of human immunodeficiency (6) _________ (HIV), however, the incidence of TB is also quite high, as TB spreads quickly among people with weak immune systems. Other risk (7) _________ for catching the disease include age (being very young or old), hunger and malnutrition and having serious illness such as cancer or diabetes. Living in poor or unhealthy conditions or working in hospitals and other health facilities also (8) _________ a risk to people. There are some vaccines that can be used in young children to prevent TB but they are not effective for adults. (9) _________ and testing of other vaccines are ongoing.
Complete the text using the correct form of the words below.
infectious
lung
rare
globe
nations
virus
factors
poses
Trials
Practice
An epidemic is an (1) __________ disease that spreads rapidly to a large number of people within a short period of time. Epidemics have been occurring as long as humans have been on Earth. Some epidemics are (2) __________ of previous viruses.
A disease reaches epidemic levels when a certain number of deaths occur as a result of it and this number will be different for each disease. One disease might result in just a few deaths but be classified as an epidemic, as (3) __________ others such as the flue, which is (4) __________ but has much higher baselines.
variation lung widespread trial oppose to globe pose estimate infectious
Complete the speech using the correct form of the words and phrase below.
infectious
variations
opposed to
widespread
Practice
In human history, there have been some deadly epidemics. In the early 20th century, the Spanish Flu of 1918 was a massive epidemic that killed an (5) _________ of 50 million people, more than the number of people who died in World War I. Initially, it was believed that epidemics (6) _________ littler threat to the modern world, until SARS outbreak in 2002. The SARS epidemic started as a (7) _________ disease in China but eventually spread across the (8) _________ to countries such as Canada and Vietnam. It resulted in the infection of about 8,000 people and since then, scientists have undertaken (9) _________ on treatments to prevent future deaths.
estimate
posed
lung
globe
trials
variation lung widespread trial oppose to globe pose estimate infectious
Practice
Chen Xi: Isn’t it really bad if you get Ebola
Jonathan: Yes, Ebola (1) ____ (be) a serious life-threatening disease. I (2) ______ (find) out that the first person to die in this outbreak was a 2-year-old child who (3) _____ (live) in a rural village in Guinea, Africa.
Chen Xi: How terrible!
Jonathan: Yes, but by November 2014 there (4) ________ (have) almost 5,000 deaths. Some experts believe that figure (5) ____ (be) higher because some people (6) _______ (do not) seek medical help.
Chen Xi: I (7) __________ (discover) that the virus (8) ______ (spread) from one person to another. In this outbreak, symptoms (9) _________ (appear) between eight to ten days after direct contact with an infected person.
Jonathan: How can they stop another large outbreak
Chen Xi: They (10) ________________ (not develop) a vaccine yet, but they have learnt to isolate patients when they have symptoms.
Jonathan: I hope scientists can develop a vaccine soon.
Complete the dialogue with the correct form of the verbs in brackets.
is
found
lived
had been
is
did not
discovered
spread
appeared
haven’t developed
Assignment
Write a paragraph about what you have learnt from this lesson with words that go together.
Goodbye!