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W(xu)W(wng) > иԇ > иx`W(xu)g(sh)~R

иx`W(xu)g(sh)~R

l(f)r(sh)g:2017-01-04(li)Դ:W(xu)W(wng)

иxn(jng)ЌW(xu)sČW(xu)g(sh)~R^۲@(li)~R(hu )xٶӰw_иxеĆ~Աw(li)һ㹦~R͌W(xu)g(sh)~Rһ㹦~](mi)@ČW(xu)g(sh)磺animal, organ, timeW(xu)g(sh)~Rָһ(li)ضW(xu)Ʊ~RijһN(dng)archaeopteryx(ʼB(nio));ijһ(g)Ynerve cord((jng))ijһ(g)vʷr(sh)Cretaceous(׈׼o)ȵһ㹦~иxе@ЩW(xu)g(sh)~R׌҂xϵK

w(li)f(shu)xеČW(xu)g(sh)~R֮yҪ(g)棺һ҂俼^(gu)кٕ(hu )ij(g)ضW(xu)Ƶ~R;ڶW(xu)g(sh)~Ryͨ~~Yȥœy;҂ܸBĝhZ(y)˼֪磺иxгF^(gu)һNKittiwakeB(nio)hZ(y)ֺt@(g)~҂Ҳ](mi) (tng)^(gu)İČW(xu)g(sh)~R(hu )Ӱ҂xٶҲӰ҂B(ti)

ʲô(hu )ЌW(xu)g(sh)~R

ôȻиһT(mn)Z(y)ԇôʲôxЕ(hu )F˶ČW(xu)g(sh)~R?@еČW(xu)g(sh)~Rʲôԇж(hu )oκν?

ȑԓ緶ӢZ(y)Ŀԇ֮һԇW(xu)g(sh)~ROӋM(jn)иxһԭ憖(wn)}Ĵ҂ԏиԇı|(zh)(li)˼иĴ_Z(y)ԿԇиԇĸZ(y)ӢZ(y)DžsӢZ(y)ҌW(xu)ČW(xu)ô@ЩW(xu)(жxƻо)Z(y)Կԇ͸ӂڜyԇܷڇĴW(xu)h(hun)沢ҌW(xu)ڴW(xu)һ(g)W(xu)xʲô?@ȻǸNnôᘌ@Nиԇx־͑ԓW(xu)ܷxnW(xu)nw׶ɌW(xu)g(sh)ԵĶνMдČW(xu)g(sh)~R@иxҲF˶ČW(xu)g(sh)~Rֻ@ӲW(xu)Ƿܿnһ(dng)mǧ(y)ӢnиxyȻöf(shu)xиx²һxӢn;и¶xͿ϶ҲyӢn

""Ć(wn)}--ǰW(xu)g(sh)~R

ǰW(xu)g(sh)~Rԓ_и漰wʮ֏VȻƌW(xu)ĿƌW(xu)(hu )ƌW(xu)ˇg(sh)ȵȟo(w)FMпԇеČW(xu)g(sh)~RDz(sh)HҲǵЧʵиxµij}}ƫõڿǰW(xu)g(sh)~Rr(sh)҂ֻھr(sh)}еČW(xu)g(sh)~RM(jn)һHH"JR~"Ŀ(hu )(xi)(hu ) (tng)(hu )f(shu)@Ӂ(li)eһČW(xu)g(sh)~RԱCԇr(sh)P(gun)W(xu)g(sh)~RXһ(g)Ҋ(jin)ıﻯW(xu)(li)н(jng)Fcarbohydrate(̼ˮ)(dng)(li)н(jng)Fvertebrate(׵(dng))

"|(zh)"Ć(wn)}--(chng)W(xu)g(sh)~R

҂ڿ(chng)ϕr(sh)вͬW(xu)g(sh)~RČӴҲ"|(zh)"DzͬҪԚw(li)

һ(li)Л](mi)нoP(gun)ጻx@(li)W(xu)g(sh)~Rֻ"(li)"Ϳ磺Among the species of seabirds that use the windswept cliffs of the Atlantic coast of Canada in the summer to mate, lay eggs, and rear their young are common murres, Atlantic puffins, black-legged kittiwakes, and northern gannets

"common murres", "Atlantic puffins", "black-legged kittiwakes", "northern gannets"҂İČW(xu)g(sh)~R҂ֻҪxһЩB(nio)(li)ͿȻĸs(xi)քe"C" "A" "BK""N"(li)ӛ֮P(gun)}r(sh)磺

According to the passage, which of the following birds conceal their nest?

(A) Bonaparte's gulls

(B) Atlantic puffins

(C) Kittiwake gulls

(D) Northern gannets

BCDxֱӌ"A" "BK""N"

ڶ(li)нoP(gun)ጻx@(li)W(xu)g(sh)~R҂HҪ֪"(li)"߀ҪжxҕҊ(jin)W(xu)g(sh)~Rxጵ̖УxľͬλZ(y)ľZ(y)̖̖磺

1. Further burial and slow cementation - a process by which crystals become bound together in a mosaic of intergrown ice crystals - finally produce solid glacial ice

@ƪ}DZcementation()һ(g)|(zh)W(xu)g(sh)Z(y)̖֮gIJnjcementationĽጶx

2. The moon may be divided into two major terrains: the Maria (dark lowlands) and the Terrace (bright highlands)

@һMaria(º)Terrace()P(gun)ČW(xu)g(sh)~R̖֮еIJ@M(jn)˽ԓµһ(g)}ĿAll of the following are true of the Maria EXCEPT:

(A) They have small craters

(B) They have been analyzed by astronomers

(C) They have a rough texture

(D) They tend to be darker than the terrace

xDļnjԓԒ(hu)̖еČW(xu)g(sh)~ጲM(jn)еһ(g)

_đB(ti)挦W(xu)g(sh)~R

W(xu)g(sh)~RȻһЩyƽr(sh)Ϳ(chng)όһ(g)_đB(ti)ǺҪȻиx鱾|(zh)ĽǶȳl(f)ģMǽW(xu)ČW(xu)^(gu)ôڌW(xu)^(gu)xn^(gu)϶кܶg(sh)Z(y)İ](mi)Ҋ(jin)^(gu)W(xu)ǰİ֪R׃Ϥ^(gu)ͨ^(gu)nxW(xu)ЩW(xu)g(sh)~RŌW(xu)֪R

ͬиxr(sh)Ҳһ(g)nW(xu)^(gu)һЩҪg(sh)Z(y)(W(xu)g(sh)~R)n(иx)Ǖ(hu )oጶx@ЩҲnjW(xu)c(din)Ҫ(zh)cnͬnͶx(hu )ͻ(zh)صw̖(li)ʾиx҂Ҫw̖ȫһӵȡc(din)W(xu)g(sh)~RĽጶxһЩҪČW(xu)g(sh)~R"|(zh)"ҲҪôֻҪסиxЌW(xu)g(sh)~RĿ챾|(zh)ƽr(sh)me_đټ_挦đB(ti)ŴҶ܉򹥿иx廨T(mn)ČW(xu)g(sh)~R

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