Period 4 Word Power

Step1. Brainstorming

1. Can you name some common diseases?

2. What information do you know about them?

Step2. Get to know the names of the diseases

Have the students know about the Chinese meanings of the diseases.

Measles ________ Heart disease _______

Chickenpox ________ Malaria _______

Influenza ________ Cholera _______

Cancer _______ Yellow fever ______

Diabetes ________ Typhoid ______

Step3. Part A

Read the entry about diseases in Part A to finish the charts below:

Diseases Symptoms Ways to prevent

Measles Give you spots Get injections to prevent

Chickenpox Give you spots Get injections to prevent

Influenza Get a high fever and pains in body Get a flu injection

Cancer Something goes wrong with the replacement of cells

Diseases Symptoms Causes

Diabetes The system that controls the blood sugar level goes wrong

Heart disease Heart attacks and strokes Being overweight, eating fatty food and not taking enough exercises

malaria Be ill with a high fever Being bitten by infected mosquitoes when traveling

cholera traveling

Yellow fever traveling

typhoid traveling

Step4. Part B

Match the words with the pictures.

Step5. Part C

Complete the notes in Part C according to the information in Part A and Part B.

Step6. Part D

Match the places in a hospital with their purposes.

Step7. Homework

1. Preview “Grammar and usage”.

2. Consolidate the names of the diseases.

Language Points

1. They are very common among children. (P22).

commonadj.1). the same in a lot of places or for a lot of people:

It's quite common to see couples who dress alike.

The surname 'Smith' is very common in Britain.

2). belonging to or shared by two or more people or things:

a common goal/interest/practice

English has some features common to many languages.

common knowledge: a fact that everyone knows: [+ that]

It's common knowledge that they live together.

commonly adv. often or usually:

Elbow injuries are commonly found among tennis players.

n.1). have sth. in common to share interests, experiences or other characteristics with someone or sth.:

We don't really have much in common.

2). in common with sb./sth. in the same way as someone or sth.:

In common with many mothers, she feels torn between her family and her work.

2. It develops when something goes wrong with the replacement of cells. (P22)

developv. 1) [I or T] If you develop an illness or problem, or if it develops, you start to suffer from it:

The study showed that one in twelve women is likely to develop breast cancer.

She's developed some very strange habits lately.

2) [I] to start to happen or exist:

Large cracks began to develop in the wall.

3) [T] to invent sth. or bring sth. into existence:

We must develop a new policy/strategy to deal with the problem.

The company is spending $650 million on developing new products/technology.

4) [T] to build houses, factories, shops, etc. on a piece of land:

They're planning to develop the whole site into a shopping complex.

replacement n. [C or U]

The agency sent a replacement for the secretary who resigned.

replace v. [T] to take the place of sth., or to put sth. or someone in the place of sth. or someone else:

The factory replaced most of its workers with robots.

Tourism has replaced agriculture as the nation's main industry.

replace A with / by B: 用B代替A

3. Diabetes occurs when the system that controls the blood sugar level goes wrong. (P22)

occur v. [I] (-rr-) (especially of accidents and other unexpected events) to happen:

An accident involving over ten vehicles has occurred in the east-bound lane.

If any of these symptoms occur while you are taking the medicine, consult your doctor immediately.

v. [I + adv. or prep.] (-rr-) to exist or be present in, among, etc:

Violence of some sort seems to occur in every society.

Minerals occur naturally in the earth's crust.

occur to sb. phrasal verb

If a thought or idea occurs to you, it comes into your mind:

The thought did occur to me.

[+ that] It never even occurred to us that he hadn't been invited.

Does it never occur to you that I might like to be on my own occasionally?

Occurrence n. [C] sth. that happens:

Street-fights are an everyday occurrence in this area of the city.

n. [U] the fact of sth. existing, or how much of it exists:

The study compares the occurrence of heart disease in various countries.

4. When they bite you, they leave behind germs in your body and then you become ill with a very high fever. (P22)

leave sth./sb. behind (NOT TAKE) phrasal verb: to leave a place without taking someone or sth. with you:

We left in a hurry and I must have left my keys behind.

He was forced to leave the country, leaving behind his wife and children..

5. Influenza can be caught at any time in your life. (P23)

caught v. [T] (caught, caught)

1). to get an illness, especially one caused by bacteria or a virus:

He caught a cold on holiday.

A lot of children in the school caught measles last term.

2). to manage to hear sth.:

I couldn't catch what the announcer said, with all the other noise going on..

3). to discover, see or become aware of sth., especially someone doing sth. wrong:

[+ ing form of verb] He caught her reading his old love letters.

If the virus is caught (= discovered) in time, most patients can be successfully treated.

I caught sight of/caught a glimpse of (= saw for a moment) a red coat in the crowd.

4). v. [I or T] to stick somewhere, or to make sth. stick somewhere:

The sleeve of my jacket (got) caught on the door handle and ripped.

Her hair got caught (up) in her hair dryer.

5) to take hold of sth., especially sth. that is moving through the air:

I managed to catch the glass before it hit the ground.

He caught hold of my arm.

6) to find and stop a person or animal that is trying to escape:

Great pressure was put on the police to catch the terrorists as soon as possible.

[+ ing form of verb] Two armed men were caught trying to cross the frontier at night.

They were happy because they had caught a lot of fish that day.

6. Diabetes develops when there is too much sugar or too little sugar in the blood. (P23)

too much: (ALSO a bit (too) much) more than someone can deal with:

I can't look after six children at my age - it's too much.

NOTE: too many修飾可數名詞；much too：實在太…修飾形容詞或副詞。

高考鏈接

Allen had to call a taxi because the box was _______ to carry all the way home. (2003全國)

A. much too heavy B. too much heavy C. heavy too much D. too heavy much

7. This can result in a heart attack or a stroke. (P23) 這可能會導致心臟病或是中風.

result in: to cause a particular situation to happen:

The fire resulted in damage to their property.

[+ ing form of verb] Icy road conditions in Teesdale resulted in two roads being closed.

result from sth.

phrasal verb：If a situation or problem results from a particular event or activity, it is caused by it:

His difficulty in walking results from a childhood illness.

as a result of sth.: because of sth.:

Profits have declined as a result of the recent drop in sales.

8. where patients who need urgent treatment go (P23)

urgent: adj. needing attention very soon, especially before anything else, because important:

He's got to sign that paper - will you tell him it's urgent?

The most urgent thing in a fire is to make sure everyone is out of the building.

Many people are in urgent need of food and water.