20192020学年山东省滕州市张汪中学第二学期周末拓展提高练习九年级英语.doc

2019-2020学年度山东省滕州市张汪中学第二学期周末拓展提高练****九年级英语（第13周）
一、完型填空
Wecan’,itisnoteasyforyou
tobecomeshort-sighted.
Bothgroupsspentasimilaramountoftimereading,watchingTVandplayingcomputergames.
However,theAustralianchildrenspentanaverage（平均）oftwohoursadayoutdoors—90
,30%oftheSingaporeanchildrenwere
short-sighted—thisrate（比率）wastentimeshigherthanAustralianchildren.
,“Humansarenaturallylong-sighted,butwhenpeoplebegintogotoschool
andspendlittleornotimeoutdoors,thenumberofshort-’realso
seeingmoreandmoreshort-sightedchildrenincitiesallaroundtheworld—andthemainreason
maybethatcitychildrenspendlesstimeoutdoors.”

usfrombecomingshort-sighted?Scientistsbelievethatnaturallighthasaspecialchemical（化学
物质）.Itcanstoptheeyeballfromgrowingoutofshapeandstoppeoplebecoming
short-sighted.
’tmatterifthattimeisspenthavingapicnicorplayingsports.
根据短文内容,选择最正确选项,并在答题卡上将选定答案的字母标号涂黑。
11
．Theresearchersdidresearchon_________ofthechildrenintwocountries.
A．habitsandfood
B．eyesightandhabits
C．eyesightandfood
D．eyesightandstudies
12
．TheAustraliangovernmentresearchersthinkthat_________isgood