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`(yng)иx}еČW(xu)g(sh)~R

rg2021-01-23 09:37:31 иԇ ҪͶ

`(yng)иx}еČW(xu)g(sh)~R

ʲônjW(xu)g(sh)~R

`(yng)иx}еČW(xu)g(sh)~R

иxnϣ(jng)ЌW(xu)sČW(xu)g(sh)~R^۲@~RxٶӰw_ʡиxеĆ~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)ijһY(ji)(gu)nerve cord((jng))ijһvʷrCretaceous(׈׼o(j))ȵȡһ㹦~иxе@ЩW(xu)g(sh)~R׌҂xϵK

wfxеČW(xu)g(sh)~R֮yҪ棺һ҂俼^кٕijضW(xu)Ƶ~RڶW(xu)g(sh)~Ryͨ~~Yȥœy҂ܸBĝhZ˼֪磺иxгF(xin)^һNKittiwakeBhZֺt@~҂Ҳ] ^ˣİČW(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)ԓţ緶(ni)ӢZ(qun)Ŀԇ֮һԇW(xu)g(sh)~RO(sh)ӋMиxһԭġ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)һW(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)~RDzHģҲǵЧʵиxµij}}ƫõڿǰW(xu)g(sh)~Rr҂ֻھ(x)r}еČW(xu)g(sh)~RMһHH"J(rn)R~"Ŀ(bio) f@ӁeһČW(xu)g(sh)~RԱCԇrP(gun)W(xu)g(sh)~RXһҊıﻯW(xu)н(jng)F(xin)carbohydrate(̼ˮ)н(jng)F(xin)vertebrate(׵)

"|(zh)"Ć}-W(xu)g(sh)~R

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

һЛ]нoP(gun)ጻx@W(xu)g(sh)~Rֻ""Ϳԡ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ͿԣȻĸsքe"C" "A" "BK""N"(bio)ӛ֮P(gun)}r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(yng)"A" "BK""N"ɡ

ڶнoP(gun)ጻx'@W(xu)g(sh)~R҂HҪ֪""߀ҪжxҕҊW(xu)g(sh)~Rxጵ̖УxľͬλZľ䣬Z̖̖ȡ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|(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˽ጡԓµһ}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

xDļnjԓԒ̖еČW(xu)g(sh)~ጲMеһ顣

_đB(ti)挦W(xu)g(sh)~R

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

ͬиxrҲ(dng)һnW(xu)(x)^һЩҪg(sh)Z(W(xu)g(sh)~R)n(иx)Ǖoጶxģ@ЩҲnjW(xu)(x)cҪcnͬǣnͶxͻصw̖ʾиx҂Ҫw̖ȫһӵȡcW(xu)g(sh)~RĽጶxһЩҪČW(xu)g(sh)~R"|(zh)"ҲҪôߡֻҪסиxЌW(xu)g(sh)~RĿ챾|(zh)ƽrm(dng)e_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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