1. According to the first paragraph,when can we share our sweet drinks with our cell phones?</p> A When enzymes can be commonly found in living ceils.5 \4 h% A6 m- a) ]3 U
B When the technology of producing a new type of fuel cell appears.9 n- Z# b% H& w/ D
C When the technology of a new type of fuel cell is suitable for mass production." ]& i7 _* c2 F# M5 N! {; y6 G9 W
D When the technology of mass producing cell phones appears.2 ^2 {% r) n# b2 a! u* d: R
2. What trouble did Minteer and Klotzhach have in their research?% V% A( a$ K+ q( m+ b0 Z
A They had trouble keeping enzymes in fuel cells active.$ l! v! ^1 X: G! S7 s- V! H
B They had trouble keeping biological cells active.
+ s% W. c V( X( ~4 h8 T0 r C They had trouble producing fresh enzymes.
- k, \/ |6 C1 M( N+ {2 r4 Q1 h D They had trouble finding mechanism for producing enzymes.
& j, k4 {7 X+ w! D' S. R# y+ h9 M 3. According to Paragraph 5,electrons are releasedwww.ExamW.CoM
( T; @( U) x1 T, R/ a$ H A when bags of enzyme are embedded in the new fuel cell.
7 \7 Z/ p; v$ [! P- q B when glucose from a sugary liquid goes through the enzyme.
: t r7 m* a1 B/ ?1 \- l7 Z C when the enzyme oxidizes the glucose from a sugary liquid that goes through a pocket.( m+ X5 Q* G5 F9 N' U' e
D when the enzyme oxidizes the sugary liquid that goes through a pocket.
7 S1 I+ {( E3 o 4. What is exciting about the new fuel cells?
* X' r. `* X9 z8 z9 Q' K' e+ [- z A Their limitless power generation capacity is amazing.$ F7 J$ o( E* f: `# q+ G
B Their limited power generation capacity is a good beginning.0 s9 h- V5 e. Z4 X, Q! h. U4 ^
C Their limited power generation capacity is the result of great efforts., }5 ]% z8 x, s
D Their limitless power generation capacity is a major accomplishment,0 q; _- @) |0 ^4 P
5. According to the last paragraph,what is NOT true of the new fuel cells?
: b( z0 _# n4 j6 m ^, k/ [ A The new fuel cells run on sugar that is easy to find.来自www.Examw.com
, s3 g3 F- U& {2 ^/ \ B The new fuel cells are environment friendly.
, P9 w) t) l/ ]! h1 [ C The new fuel cells are biologically degradable,
/ i b: \) _% F% S! d4 ] D It will take some time before the new fuel cells can be used in popular products.0 J+ r& H8 ]) m6 t# W3 @! a1 I
【参考答案】C A C B D |