Questions 14-17The text has 9paragraphs (A-I).Which paragraph does each of the

游客2024-01-09  21

问题 Questions 14-17
The text has 9paragraphs (A-I).
Which paragraph does each of the following headings best fit?
[br] *

选项 A、make fuel from carbon dioxide.
B、produce hydrogen.
C、discover more species of microbe.

答案 A

解析
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