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初三教案 第575期
发布时间:2018-12-03

 

初三18-19年第14期总第575期
Is the ISS in trouble? (P2)
Pre-reading
1. Do you know when the International Space Station was built?
2. Why did people build it?
3. Who built it?
 
 
While reading
1. What do we know about the International Space Station?
A. It’s the third-brightest object in our sky.
B. It’s a spacecraft where astronauts can live and work.
C. Over 450 people have visited the ISS in the past 20 years.
D. It was built to provide solar energy for other spacecraft.
 
2. According to the US, after being repaired, how many years will the ISS have served when it retires?
A. 5 years.
B. 20 years.
C. 22 years.
D. 27 years.
 
3. Paragraph 6 is written to show that _____.
A. it’s costly to keep the ISS running
B. most people were against building the ISS
C. it was not necessary to build the ISS
D. the ISS has nice living conditions
 
4. What do we know from the story?
A. No single country could have built the ISS by itself.
B. The US will not stop exploring space after 2025.
C. The ISS will become dangerous “space junk”.
D. The ISS will be used as a hotel for space travelers.
 
 
Words in use
根据中文提示完成下列句子
1. 他从事科研工作。
He is engaged in ________ research.
2. 这次事故本来是可以防止的。
The accident could have been__________ .
3. 我的兄弟们总是争论不休。
My brothers are always ________ .
 
 
Post-reading
Have a think:
What do you think the ISS will do after it is retired?
 
 
 
Camerawoman calls for fewer plastic bags (P5)
Pre-reading
Do you take a cloth bag with you when you go shopping or do you use plastic bags?
 
 
While reading
1. According to Paragraph 1, what made Rebecca cry?
A. Filming a documentary in the Pacific Ocean.
B. Watching wildlife through her camera.
C. Seeing hundreds of dead birds.
D. Walking on the beach.
 
 
2. What did Rebecca ask shopkeepers in Modbury to do?
A. Help her film her documentary.
B. Stop offering plastic bags to customers.
C. Sell cotton bags or biodegradable bags.
D. Charge five pence for each plastic bag.
 
3. Why is plastic waste a serious problem?
A. Because it comes in many forms.
B. Because it is thrown into the sea.
C. Because it is commonly used.
D. Because it is hard to break down.
 
4. What is the main idea of the story?
A. What Rebecca’s documentary is about.
B. How the Pacific Ocean is polluted.
C. Why British people like using plastic bags.
D. What Rebecca did to prevent plastic pollution.
 
 
Words in use
根据首字母提示完成下列句子:
1. I a ________ broke a glass.
2. The Great Wall is really________ .
3. They have built a r_________ spacecraft that can be used more than 100 times.
 
 
Post-reading
     Plastic waste is everywhere. What can we do to get rid of it?
     How can we protect animals from being hurt by plastic waste?
 
 
 
Robots on the farm (P6)
Pre-reading
     Have you ever seen a drone fly in the sky?
     What can drones do?
 
 
While reading
1. What can drones do to help farmers with their farming?
A. Take pictures.
B. Look at wild animals.
C. Deliver packages.
D. Look for sick crops.
 
2. What do drones need to help guard cattle at night?
A. Wooden fences.
B. Air samples.
C. Night-vision cameras.
D. 3-D printers.
 
3. What does the underlined word “uneven” probably mean?
A. 不肥沃的
B. 不相连的
C. 不平衡的
D. 不平坦的
 
4. What do we know from the story?
A. Drones can’t detect bacteria unless crops are sick.
B. Drones can fight dangerous animals.
C. Drones can help farmers make sure fields are properly watered.
D. Drones are better at spraying pesticide over flat land.
 
 
Words in use
根据中文提示完成下列句子:
1. Fruit juice can be ________ (对……有伤害) to children's teeth.
2. If the soil is allowed to ________ (使干涸), the tree could die.
3. Mr. Wang is very________ (高效的) at his work.  
 
Post-reading
     What do you want drones to do for you?
     What kind of drone would you invent?
 
 
 
 
 
 
答案与解析:
P2
1. B。从文中第四段第二句Astronauts living there work on a variety of different science projects.可以得知国际空间站是一个宇航员可以生活和工作的航天器。故答案选B。
 
2. D。 由文章第二段第二句In 1998, the first piece of the ISS was sent into space.和第五段最后一句the US later said it would use repairs to extend (延长) its service life to 2025, 可以算出国际空间站在被修复之后还可以工作到2025年,因此退役时已经工作了27年。故答案为D。
 
3. A。从文章第六段第一句The ISS costs $3-4 billion (21-28 billion yuan) to operate (运行) each year.可以得知国际空间站每年耗资30到40亿美元。故答案为A。
 
4. B。从文章的倒数第二段最后一句The US will use its money for other projects, like next-generation rockets and deep-space missions, The Washington Post reported.可以得知美国政府将把这笔钱用于其他项目,如下一代火箭研发和深空探索任务。故答案为B。 
 
P5:
1. C。 从第一段第二句She was filming a documentary (纪录片) for the BBC in the Pacific Ocean when she saw something that made her cry: hundreds of dead birds.可以得知Rebecca为英国广播公司在太平洋拍摄了一组纪录片,数百只死亡的鸟令她哭泣。故答案为C。
 
2. B。从文章第二段最后一句She asked them to stop using plastic bags in their shops.可以得知Rebecca让莫德玻利小镇的店主不要向顾客提供塑料袋。故答案为B。
 
3. D。从文章第三段第二句the bags can take hundreds of years to break down (分解) because they are made of chemicals (化学物质).可以得知塑料袋是由化学物质组成的,他们可能需要几百年才能分解。因此塑料垃圾产生的问题很严重。故答案为D。
 
4. D。 文章开头叙述了Rebecca 见到塑料垃圾产生的后果,中段介绍了她对此采取的措施,最后一段第一句Now the “bag for life” is part of the national culture, and the task of reducing the use of plastic bags has become law。说明现在环保购物袋是民族文化的一部分,减少塑料袋的使用已经成为法律。故答案为D。
 
P6
1. D。文中第三段第二句提到they produce multispectral images (多谱图像) that can help us find sickly yellow plants within fields of green.可以得知无人机可以帮助农民们在绿色的田地里找到病弱的黄色植物。故答案为D。
 
2. C。从文章中第四段第二句People can also equip drones with thermal imagers (热像仪) and night-vision cameras.可以得知人们可以给无人机装上热像仪和夜视摄像机来帮助看守牲畜。故答案为C。
 
3. D。从文章最后一段第一句Different parts of a field might be uneven or have different altitudes (高度).可以得知一块地的不同部分可能有不同的高度,故可推测词义答案为D。
 
4. C。从文章倒数第二段最后一句Using the map, farmers can figure out which parts of a field are dry or need improvement. 可以得知农民们用无人机制作的3D地图可以知道那些地方是干旱的,哪些地方需要灌溉。故答案为C。 
 
 
 
 

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