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初一教案 第735期(2)
发布时间:2021-04-26

本期配套教案共2页:  1  2

36/735期初一教案

陈雪楼

Looking into heaven (P6)

Pre-reading

How can we open the door to future discoveries in space?          

       

Chang’e went to the moon.

NASA’s Perseverance rover visited the Mars.

 

While reading

     It looks like a really big pan (). It can see faraway  (遥远的) stars in space. It is Chinas Sky Eye (天眼).

 

look like: similar to sb/sth

               eg: You look exactly like your father.

space:  the area that surrounds Earth and

            the other planets and stars.

相关词汇:

outer space:外太空  

space travel :太空旅行

astronaut: 宇航员

 

相关词汇:

outer space:外太空   space travel :太空旅行

a space man /woman 男(女)宇航员

 

This is the Five-hundred-meter Aperture Spherical Radio Telescope (FAST, 500米口径球面射电望远镜).

As the largest radio telescope in the world, it is as big as 30 soccer fields (球场)!

 

What do we know about the “Sky Eye”?

A. It is a big pan in space.

B. It is the world’s largest radio telescope.

C. It looks like a soccer field.

D. It is the world’s first large telescope.

B

 

as  prep 作为.

as...as... 像…一样;如同

 

One of its jobs is to find pulsars (脉冲星). People call pulsars the GPS of space. On Earth, you use GPS to find different places. What if you travel to the moon or Mars? You can use pulsars to find your way back to Earth.

 

2. What can you use pulsars to do?

A. Find more stars.

B. Travel to the moon.

C. Find your way back to Earth.

D. Make GPS easier to use.

C

GPS:

Global Position System

(全球定位系统)

What if :假使...将会怎么样?

 

It also helps scientists look for life in space. FAST is about 2.5 times as sensitive (灵敏的) as the second-largest telescope in the world the Arecibo Observatory in Puerto Rico. It can see things some 13.7 billion (十亿) light-years away. If you make a phone call on the moon, it can pick up the signal (信号) very clearly.

 

3. How can FAST help us find life in space?

A. By working with other telescopes.

B. By making phone calls.

C. By picking up signals.

D. By traveling to unseen places.

C

 

...times as...as: 几倍于...

pick up: to receive an electronic signal, sound or picture.接收到电子信号、声音或图像。

 

While reading

China opened FAST to the whole world on March 31. About 10 percent of FASTs observation (观察) time, around 450 hours a year, is being given to scientists from other countries. Scientists can apply (申请) online to use it. Sky Eye has changed from Chinas eye” to “the world’s eye”.    

 

4. What does the last paragraph tell us?

A. China will use 10 percent of Sky Eye.

B. China will give Sky Eye to foreign scientists.

C. China can make a lot of money with Sky Eye.

D. China has opened Sky Eye to the world.

D

 

About 10 percent of FASTs observation (观察) time, around 450 hours a year, is being given to scientists from other countries.

Fast 大约10%的观测时间,即每年450个小时给了其他国家的科学家。

此句中“around 450 hours a year”作为About 10 percent of FASTs observation (观察) time的同位语成分,说明具体时长。

is being given: 被给予.现在完成进行时的被动语态,其构成为:am/is/are +being+done.

 

5. What is the story mainly about?

A. How to find pulsars in space.

B. Why we do research on life in outer space.

C. How many telescopes China has.

D. What FAST is and how it will be used.

D

 

Post-reading

Choose one task and finish it with your group:

Task 1 Design a poster about Sky Eye.

Task 2:   Give a speech about Sky Eye.

Task 3:   Explain some other ways to explore space.

 

本期配套教案共2页:  1  2

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