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初二教案 第749期(1)
发布时间:2021-09-27

本期配套教案共2页:  1  2

5/749期初二课件

董洁

From the sky to the ground(P4-5)

Pre-reading

Who are these three astronauts?

 

While-reading

Astronauts Tang Hongbo, Jing Haipeng, Liu Boming return safely from space. 

 

Sept 17 was Chinese astronaut Liu Bomings 55th birthday. He said it was his most memorable (值得纪念的) birthday.

 

That’s the day he returned to Earth. He was on the Shenzhou XII spacecraft from China’s Tiangong space station, along with his crewmates Jing Haipeng and Tang Hongbo.

 

1. memorable [ˈmemərəbl] adj. 值得纪念的;难忘的

    比较级前加more;最高级前加most

2. return to 回到…去/来,与come/go back to 同义

 

In fact, returning from space is challenging. Chinese scientists and astronauts made full preparations and succeeded!

 

Before heading home, astronauts first prepared their bodies. They did exercises to train their muscles (肌肉), bones and hearts to prepare for entering the atmosphere (大气层) and reaching the ground, according to Nie.

 

1. preparation n.准备 prepare v.准备 prepare for为…做准备

2. succeed v. 成功

3. according to 据(…所说);按照;根据

 

During the journey, the astronauts experienced a blackout period (黑障阶段) after entering the atmosphere. It means they lost radio contact with the ground for several minutes. But thanks to the radar, scientists on the ground still knew where the spacecraft was.

1. experience v. 经历

2. contact with 中的contact是名词,意为“与….的联系”

3. thanks to 多亏;由于

 

Their parachutes (降落伞) also helped the spacecraft in its return. When it was about 10 kilometers above the ground, it still traveled at 200 meters per second. Thats twice the speed of a high-speed train!

1. at 200 meters per second 200米每秒(的速度)

2. contact with 中的contact是名词,意为“与….的联系”

3. twice在此处意为“两倍”。

4. high-speed train 高铁

 

To slow it down step by step, small parachutes were used, then the giant main chute. The chute package is less than 100 kilograms and can be packed (打包) into a bag the size of only two suitcases. Chinese scientists developed these special parachutes on their own.

1. slow down 减速

2. main chute 主伞

3. less than 不到;少于

4. develop [dɪˈveləp] v. 发展;开发

5. on ones own 独自地
 

Shenzhou XII has shown that China is able to complete long-term human spaceflight missions (太空飞行任务), including long and challenging operations (操作), wrote Andrew Jones from Space, a news website.

1. be able to 能够做…

2. long-term [ˌlɒŋ ˈtɜːm] adj. 长期的

3. including [ɪnˈkluːdɪŋ] prep. 包括…在内

4. operation [ˌɒpəˈreɪʃn] n. 有“手术;行动” 之意,在此处指“操作”。

 

Read the passage carefully and choose the answer.

1. What made Liu Boming’s 55th birthday his most memorable one?

A. He met his new crewmates.

B. He started working at a space station.

C. He returned home from space.

D. He got a great gift from his children. 

 

2. What happens during a blackout period?

A. Radars on the ground don’t work.

B. Astronauts can’t see anything outside the spacecraft.

C. Scientists don’t know where the craft is.

D. The craft’s radio does not work.

 

3. What can we learn from the passage?

A. The parachutes are packed in two suitcases.

B. Astronauts’ muscles and bones are different from others. 

C. The closer the spacecraft gets to the ground, the faster it will fall.

D. Shenzhou XII demonstrates China’s strength in spaceflight missions.

 

 

Further reading

1. The Shenzhou XII manned spacecraft was launched on ________________.

2. The three astronauts did a number of ________________ and tests.

3. How many spacewalks did they carry out?

________________________

4. Who did they have a video call with?

________________________

________________________

5. What did they do before leaving?

________________________________________________

 

1. In October, another three astronauts will be sent to the Tiangong space station for ___________.

2. The Shenzhou XIII crew will celebrate ______________ on the space station.

3. Tiangong will be completed around ___________.

 

Building Your Vocabulary

include    return to  prepare   on one’s own   be able to

1.________ for the coming exam, we’re working hard now.

2. I ________ swim when I was only 4 year old.

3. Mary King _________ the U.S. last month. 

4. They developed the AI technology _________.

5. Quan Hongchan has won several gold medals,_______ one in the 32nd Olympics. 

 

参考答案:

While-reading

1. CSept 17 was Chinese astronaut Liu Bomings 55th birthday. He said it was his most memorable (值得纪念的) birthday. That was the day he returned to Earth.

 

2. DDuring the journey, the astronauts experienced a blackout period (黑障阶段) after entering the atmosphere. It means they lost radio contact with the ground for several minutes. But thanks to the radar, scientists on the ground still knew where the spacecraft was.

 

3. DShenzhou XII demonstrates that China is able to complete long-term human spaceflight missions (太空飞行任务), including long and challenging operations (操作), wrote Andrew Jones from Space, a news website.

 

Further reading

1. June 17

2. scientific experiments

3. Two.

4. President Xi Jinping and hundreds of researchers, teachers and students in Hong Kong. 

5. They set up equipment, sent data back to the ground and organized the station.

 

1. six months

2. a number of festivals

3. the end of 2022

 

Building Your Vocabulary

1. To prepare

2. was able to

3. returned to

4. on their own

5. including

 

 

 

 

 

 

本期配套教案共2页:  1  2

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