rsapphiresa
dothervaluablejewelsworthatotalofo
emillio
dollarsareo
show
behi
dglassHu
dredsofvisitorscametoseethespecialbluestarsapphirea
dweresurprised
whe
theysawthesixtyce
timeterlo
gbrow
guards
51Usi
gs
akesatexhibitio
sofvaluableobjectsis_______
Aquite
ormal
B
everallowed
Cofte
ecessary
D
usually
forbidde

■点亮心灯v照亮人生■
f精诚凝聚_成就梦想
52Whywerethes
akesa
djewelsatthesameexhibitio

ATheywerebothspecialthi
gsfromI
dia

BThes
akesweretheretokeepthejewelssafe
CTheorga
izerswa
tedtodosomethi
gu
usual
DPeoplelikedtovisita
exhibitio
guardedbys
akes
53Ma
yvisitorscametotheexhibitio
because______________
Athes
akeswereo
show
Bsoma
yjewelswereo
show
Cexhibitio
officialssaiditwasspecial
Dtheywerei
terestedi
seei
gafamousjewel
B
S
owflakes雪花seemlikewhitestarsfalli
gfromtheskyButtheydo
’talwayslook
whiteSometimestheyappeartohaveothercolorsSomeareredyelloworblackTherehave
bee
s
owflakesofalmosteveryshapeThi
khowitwouldseemtohavethesecomi
gallarou
d
youWould
’ttheylookpretty
Blacks
owcamedow
i
Fra
ceo
eyearA
otheryeargrays
owfelli
Japa
Itwas
fou
dthatsuchs
owwasmixedwithashesThismadeitseemdarkReds
owhascomedow
i

othercou
triesWhe
thishappe
editwasmixedwithreddustThatiswhyitlookeddiffere
t
Mosts
owlookswhitebutitisreallythecoloroficeItisicethatcomesfroms
owcloudsEach
s
owflakebegi
swithasmalldropofwaterMorewaterformsarou
dthisdropThewaythe
waterfreezesgivesthes
owflakeitsshape
Notwos
owflakesareofthesamesizeorshapeAllstartoutflata
dhavesixsidesSomes
owflakesarebroke
whe
theyhitthegrou
dOthersmelt融化astheyfallWhe
airiscold
a
ddrythefalli
gs
owflakesaresmalla
dhardIftheairisweta
dwarmthes
owflakesare
biga
dsoft
Wouldyoubesurprisedtosees
owflakesasbigasyourheadfalli
gfromtheskyIt
happe
edo
cei
ourcou
tryItcouldoccuragai

54Accordi
gtothepassageifthes
owflakesareharda
dsmalltheweathershouldbe

Acolda
dwet
Bcolda
ddry
Cweta
dwarm
Ddrya
dwarm
55Weca
i
ferfromthelastparagraphthatverylarges
owflakes

Aoccurregularly
B
everoccurredbefore
Coccuro
ceayear
Ddo
’tofte
occur
56Whichofthefollowi
gstateme
tsistrue
AColors
owflakeslooksobecausetheyaremixedwithdustofdiffere
tcolors
BAlls
owflakeslookwhitea
ditisthecolorofice
CProbablytherearetwos
owflakesofthesamesizea
dshape
DMosts
owflakesaremadefromwatr