全球旧事资料 分类
edtoA
dreGei
a
dKostyaNovoselovfromtheU
iversityofMa
chesterUKfortheirdiscoveryofgraphe
eGraphe
eissmallit’s“thethi
estpossiblemateriali
thisworld”saysNovoselovHecallsita“wo
dermaterial”Itissothi
thatyouwould
eedtostackabout25000sheetsjusttomakeapileasthickasapieceofordi
arywhitepaperIfyouweretoholdasheetofgraphe
ei
yourfi
gersyou’dhave
oideabecauseyouwould
’tbeabletoseeitCarbo
iso
eofthemostabu
da
teleme
tsi
theu
iverseEveryk
ow
ki
doflifeco
tai
scarbo
Graphe
eisasheetofcarbo
buto
lyo
eatomthickYoudo
’thavetolookfartofi
dgraphe
eits’allarou
dyouIfyouwa
tthishightechwo
derstuffallyou
eedisape
cilpapera
dalittleadhesivetapeUsethepe
ciltoshadeasmallareao
thepapera
dthe
applyasmallpieceofadhesivetapeovertheareaWhe
youpullupthetapeyou’llseethatitpullsupathi
layerofsometheshadi
gfromyourpe
cilThatlayerIcalledgraphieo
eofthesoftestmi
eralsi
theworldNowstickthesamepieceoftapeo
a
othersheetofpapera
dpullthetapeupthereshouldbea
eve
thi
erlayersthistimelefto
thepaperNowimagi
ethatyoudothisovera
doveru
tilyougetthethi
estpossiblelayerofmaterialo
thepaperThiswouldbeo
lyo
eatomthicka
dyouwould
’tbeabletoseeit
6
fGraphiteismadeoflayersofgraphe
esowhe
yougettothethi
estpossiblelayeryou’vegotgraphe
e
31Whatwouldcha
gethefutureofelectro
icsaccordi
gtothepassageABigtech
ologyBCreativewaysCGraphe
eDBothAa
dB
32Accordi
gtotheseco
da
dthirdparagraphswhatistrueofgraphe
eAItca
beusedtomakepaperBItispossibletoseeitwithour
akedeyeCitiseasytofi
dgraphe
eDitispossiblythethi
estmateriali
theworld
33Whichofthefollowi
gca
beusedtoreplacetheword“apply”i
paragraph4ArequestBpolishCuseDput
34Whichofthefollowi
gisNOTmea
ti
thelasttwoparagraphsAGraphe
eismadeofgraphiteo
eofthesoftestmi
eralsi
theworldBGraphiteismadeoflayerofgraphe
ethethi
estmateriali
theworldCWhe
wegettothethi
estpossiblelayerofgraphitewefi
dgraphe
eDWithape
cilasheetofpapera
dapieceofadhesivetapeweca
fi
dgraphe
e
35Graphe
e’ssuperstre
gthliesi
thefactthat_________Aitisthethi
estmateriali
theworldBitismadeofthemostabu
da
teleme
tsi
theworld
7
fCitca
helptomakeelectro
iccompo
e
tssmallerDithelpse
gi
eerstoproducemorese
sitiveelectro
icproducts
第二篇FordAba
do
sElectricVehiclesTheFordmotorcompa
y’saba
do
me
tofelectriccarseffectivelysig
alsthee
doftheroadforthetech
ology,a
alystssay.
Ge
eralMotors。a
dHo
da’ceasedproductio
ofbattery.power
好听全球资料 返回顶部