备战四级之选词填空怎么做？用真题带你走一波 。距离6月份的英语四六级考试只剩下不到一个月啦，各位同学们准备得怎么样了？对于很多同学而言，选词填空都是让人感到头疼的题目，为此，小编特带来选词填空真题解析，希望能够帮助大家理顺这个题型的做题技巧。
做题步骤
1.把十五个备选项单词进行词性分类
常见的几种词性
n.
adj.
v.
(ing.)(ed.)
adv.
词性常见的后缀
名词：-ion;-ness;-ity;-acy;-ance;-ancy;-ency;-ure;-ment;
形容词：-ive;-ious;-ful;-ant;--able;-ible;-ary
副词：-ly;-ward
动词：-ate;-ize;-en;-ify
这些词性后缀
可以帮助你对不太熟悉单词进行分类和定位
2.读原文结合语法和语义判断答案
真题演练
我们先对这十五个单词按照词性进行分类
A)assisted
B)collaborating
C)consequence
D)consumers
E)creating
F)detail
G)domestic
H)frequently
I)inhabitants
J)innovation
K)intended
L)outdoor
M)pollutants
N)restricted
O)sum
n.C D(S) F I(S) J M(S) O
ing.B E
ed.A K N
adj.G(L)
adv.H(L)
备注：(S)表示复数形式的名词，可以更加精准地选择词语
Since the 1940s，southern California has had a reputation for smog.Things are not as bad as they once were but，according to the American Lung Association，Los Angeles is still the worst city in the United States for levels of_26_.
解析
此空前面为介词，首想想到的是名词，其次是动名词。符合的选项名词有：C D(S) F I(S) J M(S) O。一起看一下前文语义，提到了烟雾及洛杉矶仍是XXX水平方面较大的城市。根据词义，可见M)pollutants（污染）选项较为符合。
Gazing down on the city from the Getty Center，an art museum in the Santa Monica Mountains，one would find the view of the Pacific Ocean blurred by the haze（霾）.Nor is the state’s bad air __27__ to its south.
解析
填空处前文为某个地区的坏空气，后文为它的南方。整句前文已有be动词is，且后面紧跟介词to，所以此处不能加动词原形，且可以与to搭配使用，故此处需要形容词、ed/ing形式动词。符合的选项词语有：ABEGKLN，根据语义，可见N选项restricted（局限）比较合适，此处使用的是be restricted to（被局限在某个地区）这个词组。
Fresno，in the central valley，comes top of the list in America for year-round pollution.Residents’ hearts and lungs are affected as a __28__.
解析
此空前文意为“居民的心脏和肺被XXX影响了”，可见此处需要一个单数名词，符合的选项名词有：CFJO。根据语义C选项consequence（结果）符合选项，且可与as搭配使用。
All of which, combined with California’s reputation as the home of technological __29__，makes the place ideal for developing and testing systems designed to monitor pollution in __30__.
解析
29空紧挨着形容词，可见此处需要名词。符合的选项名词有：DFIJO。根据前文technological语义，此处选择J选项innovation（创新改革）更合适。
30空紧挨着介词in，故此处优选名词，符合选项的名词有DFIO，根据语义F选项detail更合适。
And that is just what Aclima，a new firm in San Francisco，has been doing over the past few months.It has been trying out monitoring station that are __31__ to yield minute-to-minute maps of __32__ air pollution.
解析
31空根据前后文可见需要形容词、ed/ing形式动词，符合的选项词语有：AK。根据词义，可见K选项intended相关的词组be intended to（目的，意在）较为符合。
32空前面为介词，后面为名词，此处需要形容词或ing形式动词，符合的选项词语有：GL。根据语义，L选项（户外的）更合适。
Such stations will also be able to keep an eye on what is happening inside buildings，including offices.
To this end，Aclima has been __33__ with Google’s Street View system.
解析
此空为动词现在完成进行时，且后面需要能与with连接使用，符合的选项词语有：BE。根据语义，B选项（合作）较为符合。
David Herzl,Aclima’s boss，says they have revealed pollution highs on days when Santa Francisco’s transit workers went on strike and the city’s __34__ were forced to use their cars.
解析
此空需要为名词且为复数形式，符合的选项词语有：DIO。根据语义，I选项（居民）较为符合。
Conversely，“cycle to work” days have done their job by __35__ pollution lows.

解析
by 后面的词语我们一般优选动词ing形式，可见E选项creating较为符合。