六级试题卷子及答案
姓名：____________________
一、词汇理解（每题1分，共10分）
1.Thespeakerstoneismostlikelytobe__________.
A.seriousB.humorousC.enthusiasticD.indifferent
2.Theauthorimpliesthat__________.
A.theoldmanisawiseman
B.theoldmanisafoolishman
C.theoldmanisakindman
D.theoldmanisacruelman
3.Whichofthefollowingwordsisclosestinmeaningtoprofound?
A.deepB.wideC.highD.long
二、阅读理解（每题2分，共20分）
阅读下面的短文，回答问题。
Theimportanceofsleephasbeenrecognizedforcenturies.However,itwasnotuntilthe20thcenturythatscientistsbegantostudysleepindetail.Theyhavediscoveredthatsleepisessentialfortheproperfunctioningofthebodyandmind.
Sleepisdividedintotwomainstages:REM(rapideyemovement)andnon-REM.DuringREMsleep,theeyesmoverapidlyfromsidetoside,andthebrainisveryactive.Thisstageiswhenmostdreamingoccurs.Non-REMsleepischaracterizedbyslow,regularbreathingandadecreaseinheartrateandbodytemperature.
Sleepisnecessaryforseveralreasons.First,itallowsthebodytorestandrecoverfromthestressesoftheday.Second,ithelpsthebraintoprocessinformationandlearnnewskills.Third,itisimportantformaintainingahealthyimmunesystem.
Lackofsleepcanhaveseriousconsequences.Itcanleadtofatigue,irritability,anddifficultyconcentrating.Itcanalsoincreasetheriskofheartdisease,stroke,anddiabetes.
1.Whatisthemaintopicofthepassage?
A.Thedifferentstagesofsleep
B.Theimportanceofsleep
C.Theconsequencesoflackofsleep
D.Thescienceofsleep
2.Accordingtothepassage,whathappensduringREMsleep?
A.Theeyesmoveslowly
B.Thebrainisinactive
C.Thebodytemperatureincreases
D.Theheartratedecreases
3.Whatisoneofthereasonswhysleepisimportant?
A.Ithelpsthebodytorestandrecover
B.Ithelpsthebraintoprocessinformation
C.Itisimportantformaintainingahealthyimmunesystem
D.Alloftheabove
三、