edevelopme
tofpoor
ightvisio
B.ThegreatestthreattotheeyesC.Thefu
ctio
ofsu
glassesD.Thereaso
forchildre
’s
earsighted
essE.Theeffectsofcomputero
theeyesF.Thewaystoreduceeyecomplai
s【正确答案】B【考点分析】本题涉及的知识点为:中心句技巧。【解题技巧步骤】第一步:划出AF六个选项的信息词,A选项:developme
t,poor
ightvisio
;B选项:treat;C选项:fu
ctio
,su
glasses;D选项:reaso
,
earsighted
ess;E选项:effects;F选项:reduce,eyecomplai
s。第二步:本题考查第二段的段落大意,找到第二段的中心句,为第一句:Thethi
i
goftheozo
e(臭氧)layermea
smoreshortwaveultravioletUVrays(紫外线)arereachi
gtheeartha
dthesearethebiggestriskfactorforcloudi
gthele
softheeye臭氧层变薄以后,紫外线更多地照射到地球,这是最大的威胁。第三步:第thebiggestriskfactor刚好和B选项thegreatthreat同义,因而选择B。
24Paragraph3
___A____
A.Thedevelopme
tofpoor
ightvisio
B.ThegreatestthreattotheeyesC.Thefu
ctio
ofsu
glassesD.Thereaso
forchildre
’s
earsighted
essE.Theeffectsofcomputero
theeyesF.Thewaystoreduceeyecomplai
s【正确答案】A【考点分析】本题涉及的知识点为:中心句技巧。【解题技巧步骤】第一步:将答案定位到第三段的一句。第二步:Poor
ightvisio
a
deyefatigueare
oticeablymorecommo
a
dtherehasbee
abigi
creasei
mi
oreyecomplai
tsi
theuver40s这句话的大意概括起来就是选项A。而且A选项的关键词poor
ightvisio
刚好出现在第一句话里。所以答案选A。
25Paragraph5___D___
A.Thedevelopme
tofpoor
ightvisio
B.ThegreatestthreattotheeyesC.Thefu
ctio
ofsu
glassesD.Thereaso
forchildre
’s
earsighted
essE.Theeffectsofcomputero
theeyesF.Thewaystoreduceeyecomplai
s【正确答案】D【考点分析】本题涉及的知识点为:中心句技巧。【解题技巧步骤】第一步:首先找到段落中心句,那就是最后一句。
f第二步:Yearsoffocusi
go
closetwodime
sio
alworkcausesmostchildre
tobecomeatleastslightly
earsightedbytheageof10saytheresearchers锁定关键字cause,引起。第三步:对比选项D,thereaso
forchildre
’s
earsighted
ess,reaso
正好与cause同义,所以正确答案是D。
26Paragraph6__E___
A.Thedevelopme
tofpoor
ightvisio
B.ThegreatestthreattotheeyesC.Thefu
ctio
ofsu
glassesD.Thereaso
forchildre
’s
earsighted
essE.Theeffectsofcomputero
theeyesF.Thewaystoreduceeyecomplai
s【正确答案】E【考点分析】本题涉及的知识点为:中心句技巧。【解题技巧步骤】第一步锁定中心句,那就是第一句。Problemr