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初二教案 第653期
发布时间:2019-04-08

 

第653期初二教案
Faster fifth generation (P2)
Pre-reading
Do you know what “3G”and “4G”mean? Where do you usually see them?
 
While-reading
Choose the answer:
1. In which city was 5G tested for the first time?
A. Beijing.
B. Shanghai.
C. Shenzhen.
D. Guangdong.
 
2. We can infer from the story that _____.
A. 5G is all over China
B. there are no symbols at the top of our phones
C. we can now buy self-driving cars
D. 5G networks are much faster than 4G or 3G
 
3.The writer uses self-driving cars as an example to _____.
A. explain how self-driving cars work
B. show us how advanced self-driving cars are
C. warn about the possible dangers of self-driving cars
D. explain how 5G’s fast speed can be helpful
 
4. According to the story, the IoT is _____.
A. a robot that can do housework
B. an online store where you can buy anything
C. a large online network that connects things and people
D. a type of high-tech refrigerator
 
Words in use
根据汉语提示用以下单词完成句子:
symbol, the key to, stand for, receive
1. A heart shape is the ____ of love.
心形是爱的象征。
2. Do you know what the stars _____? 
你知道那些星代表什么?
3. Did you ____ my letter?
你收到我的信了吗?
4. Hard work is ______success.
勤奋是成功的关键。
 
Post-reading
What other possibilities or breakthroughs will 5G bring us?
 
Serving the hungry (P3)
Pre-reading
Have you ever done community service?
What did you do?
 
While-reading
Choose the answer:
1. Which of the following is TRUE about community service?
A. It is a well-paid job for teenagers.
B. It can help people who are in need.
C. Every student in the US needs to do it.
D. It brings many problems to the real world.
 
2. Paragraph 2 is written to _____.
A. show how many people the author has helped
B. show which organization the author joined
C. explain why people need to do volunteer jobs
D. point out that homelessness is a serious problem in Los Angeles
 
3. What kind of food is ideal for homeless people?
A. Food that can keep people warm.
B. Food that is easy to store.
C. Food that is high in calories and protein.
D. Food that is easy to make and share.
 
4. According to the author, which of the following was a valuable experience?
A. Making burritos for homeless people.
B. Handing out burritos to homeless people.
C. Listening to homeless people's life stories.
D. Interacting with homeless people.
 
Words in use
用所给单词适当形式完成句子
1. You're not ____ to talk during the exam. (allow)
2. She placed her name on the list of ____. (volunteer)
3. She was ____ and had to put her child up for adoption. (home)
4. It was so cold that we huddled together for ____. (warm)
 
Post-reading
Have you ever thought about becoming a volunteer?
What kind of volunteer work would you like to do?
 
Every shade of flavor (P6)
Pre-reading
Do you know why fruit has so many colors?
 
While-reading
Choose the answer:
1.You are more likely to find blue and purple fruit in _____ places.
A. cooler
B. warmer
C. higher
D. lower
 
2.Which of the following is TRUE?
A. Dark fruit tends to grow close to the equator.
B. Green fruit tends to grow in cool places.
C. Humans can see red more easily than birds.
D. Birds are color-blind and can see no colors.
 
3. Some fruits develop certain colors to _____.
A. scare animals away
B. absorb more sunlight
C. attract animals to eat them
D. protect themselves
 
4. Which of the following factors have influenced the evolution of fruit colors?
a. environment
b. pigment
c. animals
d. humans' visual abilities
A. abc B. bcd C. ac D. bd
 
Words in use
根据汉语提示用以下单词完成句子:
cause , depend on , tend to, habitat
1. Earth is our _____and we are a part of it. 
 地球是我们的栖息地,我们是其中的一部分。
 
2. The country heavily ______foreign aid.
 该国严重依赖外援。
 
3. The hazardous driving conditions ____ several accidents.
 艰难的驾驶条件引发了好几起事故。
 
4. We ___ get cold winters and warm, dry summers in this part of the country.
在我国这个地区,往往冬季寒冷而夏季温暖干燥。
 
Post-reading
What's your favorite fruit?
 
答案解析
Page 2
1.         B。由第2段 第二句“Shanghai has also become the first city in China to start testing 5G networks.”可知
2.         D。由第3段第1句 “About 100 times faster than 4G networks, 5G will make people download and upload data faster than ever before. ”可知
3.         D。第4、5段以无人自驾车为例,说明自驾车在行驶过程中遇到障碍后,会因为网络速度问题影响其向后台发送以及接收信息,5G提供了更快的网络速度,有助于无人自驾车更快地发送问题,接收指导方案的信息。
4.         C。由倒数第2段2句 “This refers to creating a large online network that connects all things and people. ”可知。
 
Page 3
1.         B。第1段第2句“Doing this kind of service not only helps others, but also allows us to examine real-world problems. ”可知。
2.         D。第2段主要讲述了作者的居住地美国洛杉矶的无家可归人数众多,这种社会问题比较严重。
3.         C。第3段第3句“Burritos are high in calories and protein, making them ideal (完美的) for homeless people.”可知
4.         D。由末段第2句 “Interacting with them has been a very valuable experience.”可知。
 
Page 6
1.         B。第4段第2句“After studying other environments, they found that blue and purple fruit mostly grows in warm places. ”可知。
2. A。第4段第4句“The scientists also found the closer one gets to the equator, the darker fruit tend to be. ”可知。
3. C。第5段末句“Therefore, in order to attract animals, some fruit develop colors that are easy for animals to see.”可知。
4. C。文章主要通过环境以及动物两方面说明了为什么不同水果的颜色各异。

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