初三教案第544期- 21英语教师网

初三教案第544期

发布时间：2017-12-18

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初三17-18年第17期总第544期

Who is wasting food? (P2)

Pre-reading

1. Try to list different kinds of food.

2. Free talk:

Do you usually finish all the food on your plate?

While reading

1. How much food is produced every year around the world?

A. About 1.3 billion tons.

B. Nearly 4 billion tons.

C. 1,000 kilograms.

D. More than 34,000 kilograms.

2. According to the survey, which country wastes the least amount of food?

A. The United States.

B. The United Arab Emirates.

C. France.

D. China.

3. To deal with food waste, China _____.

A. produces less food each year

B. buys more food from other countries

C. passed laws to ban food waste

D. started a movement called “empty plate”

4. What does the story mainly talk about?

A. How much food the world needs every year.

B. How food waste differs in different countries.

C. Developed countries waste more food.

D. “Empty plate” has become a trend worldwide.

Words in use

Phrases:

1.污水，废水

2.浪费时间

3.废纸

4.废料

5.废物处理

Post-reading

Discussion:

What things can be done to reduce food waste?

Students build their own house (P3)

Pre-reading

Free talk

Have you ever thought about building a house?

How would you do it?

While reading

1. In the “building trades” class, students learn to _____.

A. share learning skills

B. do business

C. build houses

D. find jobs

2. When did they start working on their first complete modular home?

A. At the beginning of the course.

B. In September.

C. Five months ago.

D. Last year.

3. What classes are important for the house’s construction?

a. building trade b. architecture class

c. interior design class d. ship-building class

A. abc

B. abd

C. acd

D. bcd

4. What can we learn from this story?

A. Students learn how to build houses all by themselves.

B. Twenty of Garzella’s students have found jobs in construction.

C. The house that the students are building has been sold to the school.

D. Students will decorate the house in Michigan City.

Words in use

Fill in blanks

They are working day and night to ________(解决) this tough problem.

It ________(花费) me ten dollars to buy these flowers.

I spent ten dollars to __________(buy) these flowers.

Post-reading

What do you want to be in the future?

What can you do to realize your dream?

Why are we allergic? (P6)

Pre-reading

Have a think

Do you sneeze after touching a dog or flowers?

Have you ever felt uncomfortable after eating a peanut?

While reading

1. Allergies can cause the following reactions EXCEPT _____.

A. sneezing after touching something

B. finding it hard to breathe after eating something

C. harming both the body and the mind

D. having itchy eyes

2. Ogden thinks allergies may develop in a certain order, for example, with _____ coming first.

A. eczema

B. asthma

C. food allergies

D. allergic rhinitis

3. According to the hygiene hypothesis, some people are more sensitive to allergies because _____.

A. they have the same allergy genes as their parents

B. medicine has broken the balance of their immune system

C. they experienced too many infections in their childhoods

D. they don't know how to stay away from things that cause their allergies

4. How many reasons for causing allergies are mentioned in the story?

A. One.

B. Two.

C. Three.

D. Four.

Words in use

Translation

1. 多吃水果蔬菜对我们的身体有好处。

2. 我们应当多锻炼来保持健康。

Post-reading

“You’re sneezing to protect yourself. The fact that you don’t like the sneezing, that’s tough luck,”

What does this sentence mean?

答案与解析：

P2：

1. B。从文中第二段Every year, 1.3 billion tons of food is wasted around the world, according to the United Nations. That’s about one-third of all food produced each year. 可以知道13亿吨粮食被浪费，大概是食物产量的三分之一，那么总产量应接近40亿。故答案选B。

2. C。由文章第五段第二句France wastes the least amount of food, according to the survey. 可以得知法国浪费粮食最少。故答案为C 。

3.D。从文章最后一段第二句In early 2013, a movement to prevent food waste called “empty plate” began.可以得知中国用“光盘行动”来处理食物浪费问题。故答案为D。

4. B。从全文得知中心大意。故答案为B。

P3:

1. C。从文中第二段第三句With the help of their teacher Tom Garzella, these students learn to build houses..可以得知在这个课程中学生学习建造房屋。故答案选C。

2. B。由文章第三段第二句But since September, they have been working on their first complete modular home.可以得知答案为B 。

3. A。从文章第五段The house’s construction also involves other classes. One student designed its floor plan in an architecture class. The school’s interior design class will decide how to decorate the house when it’s done.可以得知bc对，第二段提到了a对。故答案为A。

4. D。从文章最后一段Then they will ship the house to its final destination in Michigan City.可以得知答案为D。

P6：

1. C。从文中第一段Some people may sneeze (打喷嚏) after touching a cute dog. Others may find it hard to breathe after eating a peanut.得知AB正确，从第二段第二句Some allergies may cause itchy (痒痒的) eyes and sneezing.得知D正确。故答案选C。

2. A。由文章第五段最后一句A person may first have eczema in his or her childhood, and later see it develop into a food allergy or allergic rhinitis.可以得知答案为A 。

3. B。从文章倒数第二段第四句This breaks the balance and therefore our immune system becomes more sensitive to allergies.可以得知药物破坏了免疫系统的平衡。故答案为B。

4. B。从文章第四段第一句It can be because of their genes和第六段第一句But not all allergies are caused by genes. Another popular theory is the hygiene hypothesis.得知有两种。故答案为B。