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.& @$ P* y& i6 R5 d6 ~
B When the technology of producing a new type of fuel cell appears.- x- z0 C1 Y( H- N3 g2 M
C When the technology of a new type of fuel cell is suitable for mass production.; k7 N2 w6 ?, _0 [5 R
D When the technology of mass producing cell phones appears.
8 k/ c9 [' i" B( ^2 j0 M8 q 2. What trouble did Minteer and Klotzhach have in their research?
& F- L% X" C( i A They had trouble keeping enzymes in fuel cells active.& f8 N# ^& T* b4 b* v
B They had trouble keeping biological cells active.
3 U( W+ \, d1 @3 G. h' J C They had trouble producing fresh enzymes.
E$ k: |$ I7 B- Q1 q D They had trouble finding mechanism for producing enzymes.
% h" S4 ^: O9 n* n, c 3. According to Paragraph 5,electrons are releasedwww.ExamW.CoM
: I- R$ L% f" Z7 ?7 M( | A when bags of enzyme are embedded in the new fuel cell.
! b5 i6 _2 ~; N. X/ _ B when glucose from a sugary liquid goes through the enzyme.
6 P, X5 p8 c6 K. j, O3 U9 `7 z C when the enzyme oxidizes the glucose from a sugary liquid that goes through a pocket.9 H6 D1 Y6 A- L" c: }$ W( |' j' p
D when the enzyme oxidizes the sugary liquid that goes through a pocket.* Z$ ?3 \, [4 M6 ~/ N: c
4. What is exciting about the new fuel cells?9 u- i4 N9 y) R! {- g6 J
A Their limitless power generation capacity is amazing.( ~3 m k6 t& S
B Their limited power generation capacity is a good beginning.8 _& L9 X% p. }# [, Y- J
C Their limited power generation capacity is the result of great efforts.
) v( N- R) ?: \8 X D Their limitless power generation capacity is a major accomplishment,
5 Z. I( z# C) h! G* L( j4 ~% g+ Q2 q 5. According to the last paragraph,what is NOT true of the new fuel cells?
( [+ n! i; t+ ~9 v" O A The new fuel cells run on sugar that is easy to find.来自www.Examw.com6 A' z* y+ `: [) C; I
B The new fuel cells are environment friendly.
' ]/ g1 m& C* v$ i1 o/ e C The new fuel cells are biologically degradable,
9 n3 C9 F8 C1 \0 I2 V6 W D It will take some time before the new fuel cells can be used in popular products.2 e& d0 u( g' X6 w/ V
【参考答案】C A C B D |