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.: X. v. ~4 A3 P- _3 W# p4 n
B When the technology of producing a new type of fuel cell appears.
! a3 z) w' p( ` i( E C When the technology of a new type of fuel cell is suitable for mass production.4 W. P" y1 j5 j6 S' T* k9 A
D When the technology of mass producing cell phones appears.* Y" t2 Q/ p! r! O Q
2. What trouble did Minteer and Klotzhach have in their research?1 O! ^2 S: r! T" h1 e# @1 O, T. T8 s
A They had trouble keeping enzymes in fuel cells active.
8 ]" ~! ^$ A4 b& g- J! [ B They had trouble keeping biological cells active.) d* }/ c: J% ?- g1 ]8 S
C They had trouble producing fresh enzymes.
6 N6 ~, W2 N$ F* P D They had trouble finding mechanism for producing enzymes.
$ L' D! X w4 B% P$ q/ w! y 3. According to Paragraph 5,electrons are releasedwww.ExamW.CoM" B: u e8 R1 g+ E, q6 Y
A when bags of enzyme are embedded in the new fuel cell.
- ?( r. Y6 ]4 c. D B when glucose from a sugary liquid goes through the enzyme.: h/ G% c U) m$ B+ T
C when the enzyme oxidizes the glucose from a sugary liquid that goes through a pocket.
- m& _+ o0 ?6 y! W7 u6 R D when the enzyme oxidizes the sugary liquid that goes through a pocket.5 [$ u$ G4 t X) h' O
4. What is exciting about the new fuel cells?- D) p; l0 \9 H ?, s
A Their limitless power generation capacity is amazing.
% t8 }7 ?& Q' M- S/ @- V$ J7 \ B Their limited power generation capacity is a good beginning.0 t9 g6 R6 j8 `! l/ {
C Their limited power generation capacity is the result of great efforts.
* Q! |4 f+ p5 H4 {* E4 C! s D Their limitless power generation capacity is a major accomplishment,
6 p- Q2 n; @) z1 V# D/ O# d 5. According to the last paragraph,what is NOT true of the new fuel cells?5 F* Z+ R4 E$ @! o: l+ n1 Q) [+ L
A The new fuel cells run on sugar that is easy to find.来自www.Examw.com+ I) j" {5 ]' A1 \/ b2 H7 F( b1 [
B The new fuel cells are environment friendly.
- {% K( n) t8 [1 N5 _ C The new fuel cells are biologically degradable,
{# v( p9 E( H: O$ _ D It will take some time before the new fuel cells can be used in popular products.
8 s. `6 p- y: m7 Y 【参考答案】C A C B D |