试题
1. According to the first paragraph，when can we share our sweet drinks with our cell phones？
A When enzymes can be commonly found in living ceils.
B When the technology of producing a new type of fuel cell appears.
C When the technology of a new type of fuel cell is suitable for mass production.
D When the technology of mass producing cell phones appears.
2. What trouble did Minteer and Klotzhach have in their research？
A They had trouble keeping enzymes in fuel cells active.
B They had trouble keeping biological cells active.
C They had trouble producing fresh enzymes.
D They had trouble finding mechanism for producing enzymes.
3. According to Paragraph 5，electrons are released
A when bags of enzyme are embedded in the new fuel cell.
B when glucose from a sugary liquid goes through the enzyme.
C when the enzyme oxidizes the glucose from a sugary liquid that goes through a pocket.
D when the enzyme oxidizes the sugary liquid that goes through a pocket.
4. What is exciting about the new fuel cells？
A Their limitless power generation capacity is amazing.
B Their limited power generation capacity is a good beginning.
C Their limited power generation capacity is the result of great efforts.
D Their limitless power generation capacity is a major accomplishment.
5. According to the last paragraph，what is NOT true of the new fuel cells？
A The new fuel cells run on sugar that is easy to find.
B The new fuel cells are environment friendly.
C The new fuel cells are biologically degradable.
D It will take some time before the new fuel cells can be used in popular products.
标准答案： C，A，C，B，D