TEENS 初三20-21年第16期总第646期

凌红珊

 

 

At the speed of light (P6)

 

 

I. Warm up

1. Have you ever heard of quantum computation (量子计算)?

  量子计算是一种遵循量子力学规律调控量子信息单元进行计算的新型计算模式。

 

2. What are the differences between quantum computers and other computers?

 

 

II. Pre-reading

 

Read the title and predict what the passage is about.

1. Quantum computer - Jiuzhang

2. Light?

 

Is our prediction right? Why is Jiuzhang important?

    Yes. It’s about Jiuzhang, the world’s first light-based quantum computer. It means China is entering a new era of quantum computation.

 

III. Careful reading

1. What do we know about Jiuzhang?

A. It is the world’s first quantum computer.

B. Some of its technology was borrowed from Google.

C. It processes data faster than supercomputers.

D. It was built to deal with mathematical problems.

C

 

2. How do quantum computers process data?

A. By using binary bits.

B. By using qubits. 

C. By using numbers 1 to 10.

D. By using basic calculation.

B

 

3. What does the word “components” in Paragraph 4 refer to?

A. The ability to finish a task.

B. The people who take care of Jiuzhang.

C. A computer’s sensory equipment. 

D. The parts that something is made of.

D

 

4. What do we know from the story?

   Jiuzhang is expected to be used in more fields.

 

III. Post-reading

1. Rewrite the passage according to this structure.

 

 

2. With its great computing power, Jiuzhang will be able to do a lot more than boson sampling. What do you think it will be used to do in the future?

 

 

 

 

IV. Word in use

                                                                     

Complete the sentences using the words provided.

 

come from   the number of   according to   be used for    compare with

 

1. _________  mobile phone users in China is twice the population of the US.

2. Write down their names  _________ the pictures. 

3. How does life in Britain _________life in the US?

4. Plants depend on the sunlight that 

_________ the sun.

5. Stones can ________building houses.

 

1. The number of
2. according to
3. compare with
4. comes from
5. be used for