hem16机械计时16机械计时机械。发们寻求更们寻求更晷，晷，校机械计时机械计时来荞属科荞属科
f17A
thropologyisascie
cei
thata
thropologistsusearigoroussetofmethodsa
dtech
iquestodocume
t
observatio
sthatca
becheckedbyothers17类学门科学，为类学家类学家强查。
术来记录观测结果观测结果术来记录观测结果，这样记录来观测结果供
18Fu
giareimporta
ti
theprocessofdecaywhichretur
si
gredie
tstothesoile
ha
cessoilfertilitya
ddecomposesa
imaldebris18真18真菌高过，并，动粪。过将学质馈，
19Whe
itisstruckatu
i
gforkproducesa
almostpureto
eretai
i
gitspitchoveralo
gperiodoftime19敲击时，敲击时，产击时纯质调，经久。
20Althoughpeca
saremostple
tifuli
thesoutheaster
partoftheU
itedStatestheyarefou
dasfar
orthasOhioa
dIlli
ois20虽20虽诺树看见它们。看见它们。见它们国东
21Elimi
ati
gproblemsbytra
sferri
gtheblametoothersisscapeofte
calledscapegoati
g21怪别办来决问题称为寻。
22Thechieffoodseate
i
a
ycou
trydepe
dlargelyo
whatgrowsbesti
itsclimatea
dsoil
f22个国家条件长。
么，
决
么
气
23Overaverylarge
umberoftrialstheprobabilityofa
eve
t’soccurri
gisequaltotheprobabilitythatitwill
otoccur23实验，件发件发它发。
24Mostsubsta
ceco
tractwhe
theyfreezesothatthede
sityofasubsta
ce’ssolidishighertha
thede
sityofitsliquid24数质缩，们固态时高固态时高态时态。
25Themecha
ismbywhichbrai
cellsstorememoriesis
otclearlyu
derstood25脑细储记忆机并为。
pai
ters26Bythemiddleofthetwe
tiethce
turypai
tersa
dsculptorsi
theU
itedStateshadbegu
toexertagreatworldwidei
flue
ceoverart26术产纪响。国画家，国画家家开家开界围内对艺
27I
theeaster
partofNewJerseyliesthecityofElizabethamajorshippi
ga
dma
ufacturi
gce
ter27丽。28ElizabethBlackwellthefirstwoma
medicaldoctori
theU
itedStatesfou
dedtheNewYorkI
firmarya
i
stitutio
that，个运业，泽东
fhasalwayshadacompletelyfemalemedicalstaff28ElizabethBlackwell，国Blackwell，纽约诊。29Alexa
derGrahamBello
cetoldhisfamilythathewouldratherberememberedasateacherofthedeaftha
asthei
ve
torofthetelepho
e29Alexa
derGrahamBell聋师，电话发告诉家，更告诉。让记个医，创建员工为
picked30Becauseitsleavesremai
gree
lo
gafterbei
gpickedrosemarybecameassociatedwiththeideaofremembra
ce30。31Althoughappare
tlyrigidbo
esexhibitadegreeofelasticitythate
ablestheskeleto
towithsta
dco
siderableimpr