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初二教案 第732期(2)
发布时间:2021-04-06

本期配套教案共2页:  1  2

33/732期初二教案

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Growing our homes (P6)

 

 

I. Pre-reading 

What do we use to build houses?

· bricks

· cement

· wood

· sand

 

Can you imagine building a house out of mushrooms?

Why might we do this?

How might we do this?

 

II. While reading               

Building materials create lots of carbon emissions.

... in a cleaner way. --------- How

Scientists combined mushrooms with agricultural waste to make mushroom bricks.

 

1. Compared to traditional bricks, mushroom bricks can _____.

A. stop land pollution

B. take in carbon emissions

C. cut down carbon emissions

D. lower building costs

 

2. According to Prof Wosten, mushrooms and agricultural waste _____.

A. can be made into any shape

B. can be made into different materials

C. are not hard enough

D. can take the place of cement

 

3. What are the advantages of mushroom  bricks?

a. They are biodegradable.

b. They can repair themselves.

c. They look like cement.

d. They are very heavy.

e. They grow quickly.

A. abd      B. abe      C. bcd      D. cde

 

4. What can we learn from the story?

A. We haven’t put mushroom bricks into use yet.

B. The first mushroom house will come out soon.

C. Mushroom bricks can cut down CO2 emissions by 40 percent.

D. We won’t use traditional bricks anymore.

 

· How can we build houses with mushrooms?

  By combining mushrooms with agricultural waste to make bricks.

 

· Why should we use mushrooms to build things?

  Doing this can reduce carbon emissions and help us protect the environment.

 

III. Further reading

Answer the questions:

     If you don’t like mushrooms, it might be because you haven’t tried them yet in dress or jacket form. Believe it or not, mushrooms can now be fashioned into flexible (柔韧的) leather-like (像皮革一样的) clothing, purses (钱包), pants, and even durable (耐用的) furniture and building bricks for a cleaner, more sustainable (可持续的) planet.  

       According to the Mogu Agency, which specializes (专门从事) in developing naturally-grown biomaterials (生物材料) and products, mushroom-based fabric () can be tweaked () to be as hard as shell-like (贝壳似的) or as soft as a sponge (海绵), depending on the amount of light, humidity (湿度), exchange of gas, temperature, and types of “food” the mushroom is given.

       Mogu has proven (证明) that fabric created from mycelium (菌丝) is non-toxic (无毒的), waterproof (防水的), and fire-resistant (防火的). It can be as thin as paper for dresses and lamp shades, or incredibly (特别地) thick, and in both cases, the end result is remarkably (惊人的) flexible and strong.

 

· What can mushrooms be made into?

  Cloth, purses, furniture, and bricks.

 

· What is cloth made out of mushrooms like?

  It can be hard or soft depending on how it is grown.

 

· Why is mushroom-based fabric remarkable?

  It is non-toxic, waterproof, and fire-resistant. It can be both flexible and strong.

 

IV. Post reading

       What are some possible downsides of building houses out of mushrooms? Can you think of any? 

 

 

本期配套教案共2页:  1  2

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