第十八篇-X题卡

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1共用题干单选题 3分

Accordingtothefirstparagraphwhencanweshareoursweet

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.

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2共用题干单选题 3分

WhattroubledidMinteerandKlotzhachhaveintheirresear

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3共用题干单选题 3分

AccordingtoParagraph5electronsarereleased

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.

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4共用题干单选题 3分

Whatisexcitingaboutthenewfuelcells?

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5共用题干单选题 3分

AccordingtothelastparagraphwhatisNOTtrueofthenewfu

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.

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