2021-22学年度第7期总第844期(6版)
Smart with starch (Page 6) 学案

I. Read for main idea
Go through the text and read for the main idea.
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II. Read the text carefully and answer the following questions.
1. What have Chinese scientists recently accomplished?
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2. What are the differences between the natural and synthetic processes of creating starch?
        Plant    Laboratory
Process        
Steps        
Helper        
feature        
    
3. How do scientists simplify this conversion process in the laboratory?
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4. What is the significance of the breakthrough?
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III. Language study
1. 组成
2. 绝大多数
3. 证明
4. 得益于
5. 这项研究的第一作者
6. 使之成为可能
7. 供养

参考答案：
I. 
Chinese scientists have created starch using carbon dioxide, hydrogen (氢) and electricity, according to a study published in the journal Science on Sept 24.
II. 
1. Chinese scientists have created starch using carbon dioxide, hydrogen (氢) and electricity, according to a study published in the journal Science on Sept 24.

2.
 

3. 
  

4.
① process is achievable in a lab and beneficial
② made it possible to shift to industrial manufacturing 
③ satisfies our carbohydrate needs without farming
④ benefits space exploration
III. 
1. make up                              组成
2. the vast majority of                 绝大多数
3. demonstrate                          证明
4. benefit from                         得益于
5. the first authors of the study       这项研究的第一作者
6. made it possible                     使之成为可能
7. provide for                          供养