本期报纸学案共3页：  1  2  3

2021-2022学年度第45期总第875期 (6版)

Exploring space soil (Page 6)

 

I. Answer the following questions.

1. What is the name of this probe? What did it discover?

_____________________________________________________

_____________________________________________________

 

2. Why are amino acids so important?

_____________________________________________________

_____________________________________________________

 

3. What’s the significance of the discovery?

___________________________________________________

_____________________________________________________

 

4. Even though it is an unprecedented discovery, is it that big a deal? Why or why not?

_____________________________________________________

_____________________________________________________

 

5. Do other agencies have similar projects? What’s their purpose?

_____________________________________________________

_____________________________________________________

 

II. Find out the following words.

1. 样本 ____________

2. 线索 ____________                             

3. 史无前例的 ____________                   

4. 多种多样的 ____________

5. 暗示 ____________

6. 不可或缺的 ____________

7. 强化 ____________

8. 任务 ____________

 

参考答案：

I.

1. The probe is the Japan Aerospace Exploration Agency’s (JAXA) “Hayabusa 2”. It discovered “amino acids” in sand samples brought back to Earth from the Ryugu asteroid, the first time that amino acids have been discovered outside Earth.

2. Amino acids combine to form proteins, the building blocks for life.

3. Experts previously said the samples “are the most primitive material in the solar system we have ever studied”. The unprecedented discovery of multiple types of amino acids on an extraterrestrial body could hint at the existence of life outside of Earth. The latest discovery will likely reinforce this theory that the amino acids came to ancient Earth by meteorite.

4. Simply having the basic ingredients for dough doesn’t mean it can lead to the creation of pizza. Similarly, discovering amino acids in space doesn’t necessarily prove the existence of life beyond our home planet.

5. NASA has a similar mission to asteroid Bennu. Its OSIRIS-REx probe has already collected samples and is expected to return to Earth with them sometime next year. By comparing the results of Ryugu’s sample material with samples collected from the asteroid Bennu, scientists will better understand the various chemical mixtures in the universe and how life began.

II.

1. sample            

2. clue                                            

3. unprecedented                        

4. multiple           

5. hint

6. indispensable       

7. reinforce

8. mission

 

 

本期报纸学案共3页：  1  2  3