2021-2022学年度第11期总第848期
Fastest ever made (page 6)

I. Read for main idea
_______________________________________________

II. Read for details
Read the first and second paragraph and answer the question.
1. Why does the author mention Jiuzhang at the beginning of the passage?
_______________________________________________
_______________________________________________
_______________________________________________

Read the third paragraph and answer the question.
2. Why was Gaussian Boson Sampling was used in the study?
_______________________________________________

Read the fourth paragraph and answer the questions.
3. How much faster is Jiuzhang 2.0 than the world’s fastest existing supercomputer?
_______________________________________________

4. How much faster is Jiuzhang 2.0  than Jiuzhang?
_______________________________________________

Read the fifth paragraph and answer the question.
5. What made the major technical breakthrough very difficult?
_______________________________________________

Read the sixth paragraph and answer the question.
6. What is the significance of the scientific breakthrough?
_______________________________________________

Read the seventh paragraph and answer the question.
7. What is the writer’s attitude toward the prospects of the technology’s future application?
_______________________________________________

III. Read for structure
Divide the article into 4 parts according to the main ideas.
Part 1: Introduction
Paras.______
Part 2: Breakthrough
Paras._____
Part 3: Significance
Para.____
Part 4: Prospects
Para.____

IV. Language Study
Find useful words and expressions in the text and work out their meanings.
1. achieve major breakthrough     _________________________
2. a highly effective way         _________________________
3. that is to say                 _________________________
4. be made public                 _________________________
5. solve a problem                 _________________________
6. at present                     _________________________
7. predict the prospects             _________________________
8. at least                     _________________________
9. compared with                 _________________________
10. future application             _________________________

I.
Chinese scientists have established a quantum computer prototype named Jiuzhang 2.0.

II.
1. To introduce the topic
To show the development process of Jiuzhang
To show the rapid development of technology
2. To provide an effective way to demonstrate quantum computational speed-up in solving tasks.
3. A septillion times
4. 10 billion times
5. Each additional detected photon increased the difficulty exponentially.
6. This makes China the first country to achieve a quantum computational advantage in two mainstream technical routes.
7. Positive; Optimistic; Confident; Hopeful

III
Part 1: Introduction
Paras.____1-2____
Part 2: Breakthrough
Paras.___3-5____
Part 3: Significance
Para.__6____
Part 4: Prospects
Para.___7___

IV.
1. achieve major breakthrough     1. 取得巨大突破
2. a highly effective way         2. 一种高效的方式
3. that is to say                 3. 那就是说
4. be made public                 4. 被公布于众
5. solve a problem                 5. 解决问题
6. at present                     6. 在目前
7. predict the prospects             7. 预测前景
8. at least                     8. 至少
9. compared with                 9. 和……比较起来
10. future application             10. 未来应用