g
etape
cilacupa
dsome
stri
gStep1Rubthepoi
tede
dofthe
eedlealo
go
esideofthemag
et；thisca
beeither
the
orthorsouthe
dMakesureyouarerubbi
gthe
eedlei
o
edirectio
otbacka
d
forthYoumight
eedtodothisabout30timestomag
etisethe
eedle
Step2Testthe
owmag
etised
eedlewiththespare
eedletoseeifitca
pickitupIfit
ca
the
eedleisreadytousefortheexperime
tIfitdoes
tpickitupyouwill
eedtorubthe

eedleafewmoretimeso
thesamee
dofthemag
etyouwereusi
gbefore
Step3Withapieceofstri
gthatisacoupleofi
cheslo
ggetyourchildtotiethistothe
middleofthepe
cilThe
atthebottome
doftheha
gi
gstri
gtiethemag
etised
eedle
Step4Placethepe
cilwiththe
eedleha
gi
gdow
overthetopofacupsothatthe

eedleisha
gi
gi
sidethecup
Step5Watchasthe
eedlemoveso
itsow
topoi
t
orth
O
ceyourkidshavegotatasteformag
etsyoumightwa
ttomoveo
tomoreadva
ced
experime
tsPlaceslikeRSCompo
e
tssellhightechmag
eticequipme
tthatwillbesureto
carryo
fuelli
gyourchildre
spassio
forscie
ce
31．Accordi
gtothepassagethespare
eedleisusedto_______
A．picktheother
eedleup
B．mag
etisetheother
eedle
C．rubthemag
eto
theotherside
D．checkiftheother
eedleismag
etised
32．Themag
etised
eedleca
poi
t
orthbecause_______
A．itistiedtoaha
gi
gstri
g
B．ithasthepropertiesofamag
et
C．itisco
ectedwithamag
et
D．itisha
gi
gdow
i
sidethecup
33．Whatisthemai
purposeofthispassage
A．Topromotehightechmag
eticequipme
t
B．Toe
tertai
kidswithmag
etexperime
ts
C．Tostresstheimporta
ceofadva
cedexperime
ts
D．Toprovideawaytofuelkidspassio
forscie
ce
TheWolfattheDoorRussFeewasasleepi
sidehiste
tlastsummerwhe
aseriesofscreamsshockedhimawakeThrowi
go
hisshoeshera
outtoi
vestigateFeea
dhiswifeweretravelli
g
试卷第4页，总11页
fthroughCa
adasBa
ffNatio
alParktoe
joyitsbreathtaki
gbeautya
dawesomewildlifeItwasthelatterhe
owexperie
cedAlthoughitwasdarkFeecouldseea
eighbori
gte
twasi
amessBacki
goutwasawolfdraggi
gsomethi
gi
histeethThatthi
gwasama
J
Mome
tsearlierElisaa
dMattRispolifromNewJerseywereasleepwiththeirtwoyou
gchildre
whe
thewolfbrokei
totheirte
t