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`(yng)иx}еČW(xu)g(sh)~R

r(sh)g2021-01-23 09:37:31 иԇ

`(yng)иx}еČW(xu)g(sh)~R

ʲônjW(xu)g(sh)~R

`(yng)иx}еČW(xu)g(sh)~R

иxn(jng)ЌW(xu)sČW(xu)g(sh)~R^۲ѡ@~RxٶȣӰw_иxеĆ~Աwһ㹦~R͌W(xu)g(sh)~Rһ㹦~]@ČW(xu)g(sh)磺animal, organ, timeW(xu)g(sh)~RָһضW(xu)Ʊ~RijһNarchaeopteryx(ʼB)ijһ(g)Y(ji)(gu)nerve cord((jng))ijһ(g)vʷr(sh)Cretaceous(׈׼o(j))ȵȡһ㹦~иxе@ЩW(xu)g(sh)~R׌҂xϵK

wfxеČW(xu)g(sh)~R֮yҪ(g)棺һ҂俼^кٕij(g)ضW(xu)Ƶ~RڶW(xu)g(sh)~Ryͨ~~Yȥœy҂ܸBĝhZ˼֪磺иxгF(xin)^һNKittiwakeBhZֺt@(g)~҂Ҳ] ^İČW(xu)g(sh)~RӰ҂xٶҲӰ҂B(ti)

ʲôЌW(xu)g(sh)~R

ôȻиһTZԿԇôʲôxЕF(xin)˶ČW(xu)g(sh)~R@еČW(xu)g(sh)~Rʲôԇжoκν

ȑ(yng)ԓ緶(ni)ӢZ(qun)Ŀԇ֮һԇW(xu)g(sh)~RO(sh)Ӌ(j)M(jn)иxһԭġ憖}Ĵ҂ԏиԇı|(zh)˼иĴ_ZԿԇиԇĸZӢZDžsӢZҌW(xu)(x)ČW(xu)ô@ЩW(xu)(ж(sh)xƻо)ZԿԇ͸ӂ(c)ڜyԇܷڇĴW(xu)h(hun)沢ҌW(xu)(x)ڴW(xu)һ(g)W(xu)xʲô@ȻǸNnôᘌ@Nиԇx־͑(yng)ԓW(xu)ܷxnW(xu)nw׶ɌW(xu)g(sh)ԵĶνMɣдČW(xu)g(sh)~R@иxҲF(xin)˶ČW(xu)g(sh)~R(yng)(dng)ֻ@ӲW(xu)Ƿܿnһmǧ퓵ӢnиxyȻö࣬fxиx²һxӢnи¶xͿ϶ҲyӢn

""Ć}-ǰW(xu)g(sh)~R

ǰW(xu)g(sh)~Rԓ_и漰wʮ֏VȻƌW(xu)ĿƌW(xu)ƌW(xu)ˇg(sh)ȵȟoFMпԇеČW(xu)g(sh)~RDz(sh)HҲǵЧʵиxµij}}ƫõġڿǰW(xu)g(sh)~Rr(sh)҂ֻھ(x)r(sh)}еČW(xu)g(sh)~RM(jn)һHH"J(rn)R~"Ŀ(bio) f@ӁeһČW(xu)g(sh)~RԱCԇr(sh)P(gun)W(xu)g(sh)~RXһ(g)ҊıﻯW(xu)н(jng)F(xin)carbohydrate(̼ˮ)н(jng)F(xin)vertebrate(׵)

"|(zh)"Ć}-W(xu)g(sh)~R

(dng)҂ڿϕr(sh)вͬW(xu)g(sh)~RČӴҲ"|(zh)"DzͬġҪԚw

һЛ]нoP(gun)ጻxġ@W(xu)g(sh)~Rֻ""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ͿȻĸsքe"C" "A" "BK""N"(bio)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

BCDx(xing)ֱӌ(yng)"A" "BK""N"

ڶнoP(gun)ጻx'@W(xu)g(sh)~R҂HҪ֪""߀ҪжxҕҊW(xu)g(sh)~Rxጵ̖УxľͬλZľZ̖̖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)Z̖֮gIJnjcementationĽጶx

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

@һУMaria(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

x(xing)DļnjԓԒ̖еČW(xu)g(sh)~ጲM(jn)еһ(g)

_đB(ti)挦W(xu)g(sh)~R

W(xu)g(sh)~RȻһЩyȣƽr(sh)(x)Ϳόһ(g)_đB(ti)ǺҪȻиx鱾|(zh)ĽǶȳl(f)ģMǽW(xu)ČW(xu)(x)^̡ôڌW(xu)(x)^xn^϶кܶg(sh)Zİ]Ҋ^ģW(xu)(x)ǰİ֪R׃Ϥ^ͨ^nxW(xu)(x)ЩW(xu)g(sh)~RŌW(xu)֪R

ͬиxr(sh)Ҳ(dng)һ(g)nW(xu)(x)^һЩҪg(sh)Z(W(xu)g(sh)~R)n(иx)Ǖoጶxģ@ЩҲnjW(xu)(x)c(din)ҪcnͬǣnͶxͻصw̖ʾиxУ҂Ҫw̖ȫһӵȡc(din)W(xu)g(sh)~RĽጶxһЩҪČW(xu)g(sh)~R"|(zh)"ҲҪôߡֻҪסиxЌW(xu)g(sh)~RĿ챾|(zh)ƽr(sh)m(dng)eۣ_đ(yng)ټ_挦đB(ti)ŴҶ܉򹥿иx廨TČW(xu)g(sh)~R

`(yng)иx}еČW(xu)g(sh)~RP(gun)£

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