Discussion 1 1 What kind of food did people eat for their meals in the past & at present( time ? 2 What can we learn from the differences between the.

Discussion

1 What kind of food did people eat for their meals in the past & at present( 目前的） time?

2 What can we learn from the differences between the food in the past & at present time?People’s eating habits are changing over the years.

Why do you think this happen?

Growth of major farm products1991-95 compared with 1986-90 percentages.

→10%20%30%40%50%60%70%80%90%

100%

Gr ai n Cot t on Oi l Sugar Meat Fi sh Fr ui t

Q1. In ancient times, how did farmers get and use their fields? ( ) A.They burnt a part of a forest

and used this land for one or two years then moved around the country.

B.They worked on the arable land and never moved.

C.They worked on the arable land and sometimes moved around the country.

A

Q2. If many forests are destroyed, what environmental problems will happen?

droughts

floodsTrees are cut down.

Forests are burnt.

environmental protection

Q3.Suppose you are a farmer now, you have fields around lakes which are too wet ,how will you make good use of the fields?

too wet to grow crops

( ) history of farming ( ) protection of nature ( ) environmental problems ( ) farmers in America ( ) farmers in China ( ) trees( ) fishing( ) pigs ( ) dikes

1 Listen to the tape. The passage you hear talks about

2 Which of the following sentences

are true (T) and which are false (F)?1 In early times farmers in China moved around and

burnt forests . ( )

2 All farmers in South America burn forests to create farmland . ( )

3 Floods and droughts are disasters that farmers cannot stop. ( )

4 Some of the land in China is too wet to grow crops.( )

5 Fish farmers damage nature. ( )

T

F

FTFdon’t damage nature.

Some

can

3 Listen to the tape and complete the sentences by using your own words. When farming goes against nature, __________ problems are the result. The earliest farmers _______ nature. Their way of agriculture led to ______ and _______ .It is an old truth that ______ should not ________ nature. The land that Tan and Xiao Zao bought was too ____and could not be used for ___________________ __ . instead they changed the fields into ______ .On their farm they kept _________________ and grew ________ .

environmental

destroyedfloods droughtsfarming go against

wet farming / growing crops

fishpondsfish / ducks / chickens

fruit trees

1. over1. over 在在 .... 期间，直到…过完，指到某一时间终期间，直到…过完，指到某一时间终了。了。 圣诞节你在家吗？圣诞节你在家吗？ Will you be at home Will you be at home overover Christmas? Christmas? 这些年来他变得越来越懒。 这些年来他变得越来越懒。 OverOver th the years he has become lazier and lazier.e years he has become lazier and lazier.

2. 2. WhatWhat do you thinkdo you think causes these changes?causes these changes?

do you thinkdo you think 是插入语，常见的还有是插入语，常见的还有 believe, cobelieve, consider, suppose, imagine, guess, suggestnsider, suppose, imagine, guess, suggest 等等

你能猜出当时是什么原因使我们如此担心吗？你能猜出当时是什么原因使我们如此担心吗？What What can you guesscan you guess made us so worried? made us so worried?

他们建议我们暑假里到哪儿去他们建议我们暑假里到哪儿去 ..

Where Where did they suggestdid they suggest we should go during the su we should go during the summer holidays?mmer holidays?

Exercises1. They ____ chickens, cattle and crops as well on the

farm.

A. raise B. feed C. keep D. bring up

2. My brother stayed at home studying English _____ going to the cinema.

A. instead B. instead of

C. without D didn't

3. The accident was my fault, so I had to pay for the damage ______ the other car.

A. of B. at C. to D. on

A

B

C

4. cattle4. cattle 是是 cows,bulls ,oxencows,bulls ,oxen 的总称，是集合的总称，是集合名词，用作复数。名词，用作复数。 The cattle are in the The cattle are in the

shed.shed.five cattle, these cattlefive cattle, these cattle

5. play5. play 扮演，饰演，上演，（戏剧，电影）扮演，饰演，上演，（戏剧，电影）play a part( role ) inplay a part( role ) in 在…中担任角色在…中担任角色 , , 起作用。起作用。

6. prepare sth6. prepare sth 表示准备…表示准备… .. prepare for sthprepare for sth 表示为…作准备。表示为…作准备。

steamed bread of corn

Summary• raise/ feed• too…to…• lead to• change…into…• make a decision• a reason why …is that…• a waste of time• make good money• do what is best for everybody• take notes of

Useful expressions

In my opinion you should…

If I were you…

As far as I can see the best thing would be to…

Wouldn’t it be better if…?

I think he is right…

We have to make a choice…

We can’t do both, so…

The other idea sounds better to me…

Workbook Page 107

1.What is Helen’s job?

2.What do you think she is going to do?

3.What would she be doing every day in her job?

She is (probably) a fishwoman.

I think she is going to open the boxes and feed the fish.Or: I think she is on her way to the market to sell the fish.

The first thing to do is to go out in the boat and see if anything is caught in the nets. Next, you have to bring in the fish and throw out the nets for the next catch. Then, the fish must be brought toland. The fish should be kept in big boxes full of water, so they don’t die.

1. We feed the _____________________________.2. We ___________________________________ the tanks( 水箱 ).3. We get __________ out of the best of the ______________.4. When the ________ are big enough, we put them in ______ in the sea.5. When the ________ have grown to the right size, we ________ them, freeze them or_______ them.6. We take them by truck to the nearest _________.

fish twice a day produce our own fish from eggs in

the eggs large fish fish cages

fish harvest smoke

market

1. Why do they have to tie the cages to the rocks on the bottom of the sea?

2. Why do they smoke or freeze all the fish?

3. Why do they burn their own wood?

4. Why do they smoke their fish themselves?

The cages have to be tied to the bottom of the sea because it is windy.

Because the fish farm is a long way from the nearest market.

Because in that way they get a good strong smoke.

Because they get higher prices for smoked fish.

Listening text Hello, my name’s Helen and I live on the west coast of Canada. I work on a fish farm. Right now I’m feeding the fish, which are kept in cages inthe sea. The cages are tied to the rocks on the bottom of the sea. It can get very windy here.Twice a day I put the fish food in theboat and go out to the cages. The fish are always hungry! When the fish have grown to the right size, we pull the cages out of the water. The fish are killed and cleaned. Our fish farm is a long way from the nearest market. So we either freeze the fish or smoke them. We don’t salt any fish here.Some fish farms do, but we don’t.

Three of us work here and there’s always a lot to do. Inside that building over there we have tanks for the young fish. We produce all our own fish from eggs. The fish start to grow in fresh water. Then, when they are bigger they go into the sea, which is salty, of course.

There’s always a lot of work to do: feeding the fish, cleaning the tanks, getting eggs out of the best of the large fish, harvesting the fish, cleaning them and smoking them. We burn our own wood and that way we get a very good strong smoke. It’s more work, but we get higher prices for our smoked fish.