本期重点： 平行结构 / u; o2 T0 [$ a: ^3 E
5 R# X- W; y5 z; D3 r$ I平行结构错误主要指在并列连接词and前后语法结构不对等、不平行。其它并列连词还有but, as well as, or, or else, both … and, neither … nor, either … or, not only … but (also)等可连接两个对等的词和对等的结构。
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考点例析
8 |$ k& J% l# |, F/ @1：Computeranalyzed marketing reports can help deciding & P. M1 D% {9 D- p
which products to emphasize now,which to develop for
6 Z5 k8 {; L r# Rthe future, and which to be dropped. ____________ 4 b; C( B/ h9 A/ k
解析：本句中三个平行成份which products to emphasize now, which to develop和which to be dropped结构模式应该一致，均采用不定式主动语态，因而to be dropped应改为to drop。（注：在四六级考试中，短文改错只能修改、删除或添加一个单词，不能同时改动两个。本例题旨在反映平行结构的语法性质。） 2 S3 v2 x% X' q: O& L
例2：At the heart of the NEA survey is the belief that our / \7 c. W3 N a
democratic System depends on leaders who can think 3 t( N0 W8 G" @( [7 l
critically, analyze texts and writing clearly. ___________ # l/ f' H' B% @8 x
解析：can后面有三个并列的谓语动词，因此writing应改成与think, analyze并列的动词原形write。 ) S. L- G. A I
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例3：Atrophy is a decrease in size of a cell, organ, tissues, or other part of the body. _______
; z8 B! n4 R7 ?2 L6 _- V9 @3 A: S! _解析;：并列连词or连接四项名词结构，其中cell 和organ皆为单数形式，故tissues应改为单数tissue。 - W4 Z& `6 @3 k
: u, t) Y/ \: G' P" _/ d3 A- C巩固与拓展
( J( D$ @( S& G! {* H1 o1．A majority of the reports received from people claiming
- t$ a2 E( Q7 Q9 ito have seen the lengendaiy Loch Ness monster have 6 D4 q. C0 m2 s( d2 s
proven to be mistakes, misconceptions, or tricked. ___________ 5 |. K; I2 C1 R0 ^' Q" A
2. Your semester grade is based not only on how well you " ^6 N! {, h( O& y( ~, Y
do on each test, but also how you participate in class. ___________ ) C Y7 S" M1 f# W( ]
3. Modern sience was born when Galileo began trying to explain 1 S3 { m; I# t7 e0 Q
how things happen and thus originating the method of controlled __________ 2 D L1 J" t' L4 B' t2 v
experiment which now forms the basis of scientific investigation
8 u* E1 e8 n; X2 T% p' z! T: e5 V( B# q4. Restrict your self to one or two pages, and listing ___________
7 ]& f7 C; ? W8 { m( fany publications or referees on a separate sheet.
9 D0 o6 t) @4 X5. The House proposal would have barred the federal
# w2 v7 i0 I F1 G! u/ N: Sgovernment from demanding library records, read lists, __________ 7 j& W' }) N0 A6 m+ [7 N8 r
book customer lists and other material in terrorism and
2 o' } x$ Y4 m1 X2 {8 gintelligence investigations. C$ [% X( m0 w1 y# x& c j
$ L- |2 C& W' ]7 P/ p7 e6 l# n综合改错 * E7 E4 l% U2 s9 ]3 J9 O
The biggest safety threat facing airlines today may not be a terrorist
+ h3 n& {- m' xWith a gun, than the man with the portable computer in business class. 1._____
, D2 O8 H h x$ X* PIn the last 15 years, pilots report well over 100 incidents tha could 2. _____
3 ?& |' |/ ] p8 G1 X8 F0 Thave been caused by electromagnetic interference. The source of this 3 W& C* n/ ^: y% E6 S
interference remains confirmed, but increasingly, experts are pointing the 3._____ " i7 w4 f# p* q% Y# w. ]
blame at portable electronic devices such as portable computers, radio and 4. _____ 6 u# J& [, T' N1 @$ G% H* W
cassette players and mobile telephones. : f5 e1 A4 u) |
RTCA, an organization advertises the aviation industry, has 5. ______ / s( o6 v' ~) p# Q3 n
recommended that the airline bans such devices from 6.______ - D- k% ?1 o# h
used during “critical” stages of lignt, particularly take-off and landing. 7._______ 1 L) \- D. z) Y6 }; l8 V
Some experts have gone further, calling for a total ban during all flights. : D. K, p |' ^
Currently, rules on using these devices are left up to individual airlines.
. g& p& M0 S- V& B7 Q. z- o6 TAnd although some airlines prohibit passengers from using such equipment
* R, q5 c2 {8 k+ s0 Yduring take-off and landing, most are willing to enforce a total ban, given 8. ______
7 ^$ ?2 I6 {8 n, H0 y" Qthat many pasengers want to work during flights.
, z6 A! H" l' ~7 l) m+ EThe difficulty is predicting how electromagnetic fields may affect an ! ]% x# @" E4 F3 D. r6 D: [
aircraft’s computers. Experts know that portable devices emit radiation * V) ^* P# J7 ]# l5 y# n
which affect those wavelength which craft use for navigation and 9.______
4 i+ P3 G+ V+ D7 ?+ rcommunication. But , because they have not been able to reproduce - T# R7 ]2 u4 E4 W3 l9 f5 }' j
these effects in a laboratory, they have no way of knowing 1 x) E9 Y! F6 H" U
whether the interference might be danger or not. 10.______ |
发表于 2012-8-14 10:46:58
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