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初二教案 第722期
发布时间:2020-12-21

17/722期初二教案

边晓霏

 

 

Great grain for China (P2)

 

 

I. Pre-reading

·Can you name the grains shown above? 

·Why is grain important?.

 

II. While reading

·pay off 取得成功;得到好结果;偿清(欠款等)

  Pay off your credit cards every month.

 

  有关pay的其他短语:

  pay for sth ……付款

  pay attention to 注重;重视

  pay back 报复,惩罚

  pay a visit to 参观;访问

 

·True or false

  In 2019, Chinese farmers’ total grain output was 669.5 billion kilograms. (F)

 

·China’s main grain crops are rice, wheat, corn and soybeans.

 

·growth n.生长; 增长; 成长

 

·China is the largest grain_____ and _____ in the world.

  Key: producer; consumer

 

be of importance=important重要的

make efforts to do 努力做某事

Efforts have been made to control the virus.

 

·Which crop had the most production growth?

 

·Why did soybean production increase?

 

encourage sb to do sth 鼓励某人做某事

 

·Compare v. 比较,对比

  compare with……比起来

  compare A to B … A比做B……

  We often compare a teacher to a candle

 

·Why did many countries stop grain exports this year?

 

build confidence 树立自信

affect v. 影响,(使) 感动.       

 

·How will a good harvest help China?

  It will ensure food security and keep food prices stable.

 

根据句意,用所给词语的正确形式填空。

pay off, encourage, make efforts to, affect, compare with

1. Everyone should _________ act civilized.

2. Our house is nothing __________ yours.

3. Tom worked hard to ________ his debt.

4. She was deeply ________ by a book she read.

5. Her parents ________ her to find a hobby.

Keys: 1. make efforts to 2. compared with 3. pay off 4. affected 5. encouraged

 

III. Further reading

       To stop the novel coronavirus, some countries have banned (禁止) grain exports . Some people worry that this might affect the international food supply chain (供应链), the Paper reported.      On March 25, Vietnam, the world’s third-largest rice exporter, banned rice exports. The country mainly exports rice to the Philippines, China and several African countries. Similarly, countries such as Cambodia, Kazakhstan and Russia have also banned exports of certain agricultural (农业的) products.            

       However, there is no need for China to worry, as it already has enough grain. According to Wei Baigang, an official from the Ministry of Agriculture and Rural Affairs, China’s food grain output has hit more than 600 million tons for five consecutive (连续的) years since 2014. Record agricultural harvests have been recorded for 15 consecutive years.  

       China relies (依赖) mainly on domestic (国内的) grain production and only 2 percent of the nation’s grain is imported (进口). The global price increase has had a very limited influence on China’s food prices, Wei said. “Therefore, both the amount and price of food are stable (稳定的) and there is no need to stockpile it,” he said at a news conference on April 4. But for less developed countries, increasing prices might make society unstable and even cause hunger, the Paper noted. 

 

necessity n. 必需的事物,必需品

meet v. 满足 

in demand 很受欢迎,需求量大

 

Complete the following tasks:

 

1.Vietnam banned rice exports on March 25.

 

2. The food export bans have caused some people to stockpile food and other daily necessities.

 

3. China doesn’t need to worry about Vietnam’s grain export ban because it doesn’t rely much on imported grain.

 

4. Less-developed countries are most likely to be affected by the food export bans.

 

IV. Post reading

       Most of us waste food fairly often. Please write a short passage about how to prevent food waste.

 

 

 

 

 

 

Our stuff hurts Earth (P6)

 

 

I. Pre-reading

1.What are the differences between these two pictures of Earth?

2.How has Earth changed from 1978 to 2020?

 

II. While reading

it‘s likely that… 很可能……

tiny adj. 微小的

huge adj. 巨大的

 

1. Scientists recently found that _____.

A. Earth is facing serious pollution

B. humans cannot live without man-made materials

C. man-made materials will take control of Earth one day

D. man-made materials are heavier than all living things on Earth

 

2. The underlined word “dominating” probably means _____.

A. controlling

B. creating

C. breaking

D. polluting

 

·How do the people use natural resources to damage the earth?

 

3. Paragraph 4 mainly explains _____.

A. how people use natural resources

B. what problems Earth is facing

C. how making things damages the planet

D. why people create so much stuff

 

·To damage the earth less, we should use our resources carefully.

 

True or false

1.Scientists have found that the mass (质量) of all man-made materials (材料) is heavier than all living things on Earth. (T)

2. Humans can’t dominate Earth. (F)

3. The more stuff we make, the less natural resources (资源) we use. (F)

4. Burning coal () can pollute groundwater. (F)

5. We shouldn’t use any man-made materials, according to scientists. (F)

 

III. Further reading

     April 22 is Earth Day. Everyone on Earth should care about and protect the planet.       Each has warmed by about 1 degree Fahrenheit (华氏度) over the past 100 years, but why and how? Well, scientists are not quite sure. Maybe Earth has warmed on its own. But most scientists say human activity is warming Earth.

       The greenhouse effect (温室效应) has caused Earth to get warmer. Human activity causes too much carbon dioxide to build up in the atmosphere. This makes Earth warmer.A warming Earth results in climate (气候) change. This means it is sometimes too hot or too cold, which can change the weather and make it worse. Floods, droughts, and other natural disasters become more common. Climate change itself can also cause Earth to warm up even more.

       When Earth warms, there will be more rain and sea levels will rise due to the melting of polar glaciers. This can affect all of Earth’s animals, plants and even people. On one island in the Pacific Ocean, 100 people had to move to higher ground because the sea rose around their island. People can no longer live on the coast. Scientists say that the seas could rise by nearly one meter by 2100

       However, there are things we can do to help the planet. We can recycle our waste. We can use electric appliances less often. We can remind our friends, family, and even strangers to protect Earth.         

 

Read the passage and fill in the blanks.

1. Earth Day is a reminder for people to take better care of Earth.      

2. The greenhouse effect is caused by human activity.

3. According to the passage, Earth’s climate and temperature can affect each other.

4. People can affect Earth's air, land and water.

 

IV. Post reading

Please design a poster to remind people to save the environment.

 

 


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