初二教案第624期- 21英语教师网

初二教案第624期

发布时间：2018-06-19

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第624期初二教案

Can you see clearly (P2)

Pre-reading:

1. Are you near-sighted?

2. Do you know what causes near-sightedness?

While reading

Choose the answer:

1. How many students in Liu's class wear glasses?

A. 15 B. 25 C. 38 D. 60

2. What can we tell from the second paragraph?

A. Only Chinese kids have vision problems.

B. Two-thirds of Chinese people are near-sighted.

C. There are 450 million near-sighted teenagers in China.

D. There'll be 700 million near-sighted people in China in 2020.

3. What is the result of frequent near-distance use of the eyes?

A. It helps your eyes relax.

B. It causes eye fatigue.

C. It provides vitamin B1.

D. It makes you fat.

4. What is the main idea of the story?

A. People with vision problems live hard lives.

B. What factorscause people to become near-sighted.

C. How to keep your eyes healthy.

D. Many kids have vision problems.

Word in use

1. at the age of 2. between...and

3. a great deal of 4. a lack of

1. Wendy can’t tell the difference _______ facts _____ opinions.

Wendy总是分不清事实和观点之间的界限。

2. Amy showed ________ interest in the movie.

Amy表现得对这部电影毫无兴趣。

3. Mr Jobs died ____________ 56.

乔布斯先生在五十六岁的时候去世。

4. This new scientific discovery has caused ____________ discussion.

这项科学发现引发了许多讨论。

Post-reading

1. How are people’s lives affected by being near-sighted?

2. What can we do to better protect our eyes?

Music and more at UK art festival (P5)

Pre-reading

1. Have you ever attended an art festival?

2. What did you like most about it?

While reading

Choose the answer:

1. When does the Glastonbury Festival of Contemporary Performing Arts take place?

A. In May.

B. In June.

C. In July.

D. In August.

2. What can people enjoy on the pyramid stage?

A. Rock and pop.

B. Pop and jazz.

C. Jazz and hip-hop.

D. Folk and Latin music.

3. Which activity is just for kids?

A. Watching plays.

B. Having your face painted.

C. Learning how to juggle.

D. Watching puppet shows.

4. Which of the following is TRUE?

A. The festival is held inside a big tent.

B. People can enjoy more than music.

C. Students can get in the festival for free.

D. There is a mud bath after the festival.

Word in use

从文章中选择适当的词或短语，将下列句子翻译成英语。

1. 这个夏天，你将有机会成为科技馆志愿者。

2. 他干什么都迟到，包括他自己的婚礼。

3. Mary觉得自己陷入了无聊的生活。

Post-reading

1. Why do you think people enjoy art performances?

2. If you were asked to organize an art festival, who would you invite to perform and what other activities would you offer?

Science’s best friend (P6)

Pre-reading

Why do you think scientists choose to experiment on mice?

While reading

Fill in the chart below:

How many lab animals are mice?	Mice make up 1. ________ of all lab animals.
Why do scientists use mice?	l Mice are 2. ______.
Why do scientists use mice?	l Mice are similar to 3. ______.
What other things do we share with mice?	l We are both mammals with similar 4. ______.
What other things do we share with mice?	l Our 5. ______ work in a similar way.
How do scientists use mice to study diseases?	They use mice as 6. ______ to study many diseases, such as obesity, diabetes, heart disease and 7. ______.

Word in use

reason, similar, common, carry

选择合适的词补全句子。

1. These countries share a ______ language.

2. Your ideas are quite ________ to mine.

3. The ______ I’m so excited is because I’m going to my favorite singer’s concert.

4. People now rarely ______ purses because using Alipay is more convenient.

Post-reading

1. How do you feel about using animals to do scientific research?

2. Should we put animals in danger for our own benefit? Debate with your classmates.

答案解析

1. B。由第一段 Twenty-five of the 38 students in Liu’s class wear glasses.可知。

2. D。由第二段 China has the world’s largest population of near-sighted people at 450 million. This makes up of one-third of the country’s population.This number will rise to 700 million by 2020, People’s Daily reported. 可知。

3. B。由第三段 Many people spend a great deal of time staring at books and electronic devices, which causes eye fatigue. 可知。

4. B。文章第一段由一个班级学生的近视情况引出近视这一话题，接着在下面几段依次阐述了引起近视的三个原因，所以，本文的主旨就是解释造成近视的因素。

1. B。由第一段首句Each June, thousands of people travel to a field six miles from Glastonbury, 和最后一句They’re taking part in the Glastonbury Festival of Contemporary Performing Arts, one of the biggest open-air festivals in the world.可知。

2. A。由第二段 The main stage is called the pyramid (金字塔) stage and mainly features rock and pop acts (表演者).可知。

3. D。由第三段 Children under 12 years old can get in for free. They can watch puppet (木偶) shows or enjoy a picnic. 可知。

4. B。由第三段首句 However, it is not just a music festival. There are many other kinds of performing arts at the event.可知。

1. 95 percent。由第二段 In fact, 95 percent of all lab animals are mice, LiveScience reported. 可知。

2. cheap and small。由第三段Scientists use mice for several reasons. For one, they are cheap and small.可知。

3. humans。由第四段Mice are actually quite similar to humans.可知。

4. nervous systems。由第五段 We are both mammals (哺乳动物) with similar nervous (神经的) systems. 可知。

5. biological systems。由第五段Our biological systems, such as our organs (器官), work in a similar way. 可知。

6. models。由最后一段 Mice have been used as models for studying many diseases,可知。

7. cancer。由最后一段 Mice have been used as models for studying many diseases, including obesity (肥胖), diabetes (糖尿病), heart disease and cancer. 可知。