ô(yng)(du)иxЌW(xu)g(sh)~R
ʲônjW(xu)g(sh)~R
иxn(jng)ЌW(xu)(du)sČW(xu)g(sh)~R^۲@~R(hu)xٶӰw_ʡиxеĆ~Աwһ㹦~R͌W(xu)g(sh)~Rһ㹦~]@ČW(xu)g(sh)磺animal, organ, time W(xu)g(sh)~RָһضW(xu)Ʊ~RijһN(dng)archaeopteryxʼBijһ(g)Y(ji)(gu)nerve cord(jng)ijһ(g)vʷr(sh) Cretaceouso(j)ȵһ㹦~иxе@ЩW(xu)g(sh)~R(du)҂?c)xϵK
wfxеČW(xu)g(sh)~R֮yҪ(g)棺һ҂俼^кٕ(hu)ij(g)ضW(xu)Ƶ~RڶW(xu)g(sh)~Ryͨ~~Yȥy(c)҂ܸBĝhZ(y)˼֪磺иxгF(xin)^һNKittiwakeBhZ(y)ֺt@(g)~҂Ҳ] ^İČW(xu)g(sh)~R(hu)Ӱ҂xٶҲӰ҂B(ti)
ʲô(hu)ЌW(xu)g(sh)~R
ôȻиһTZ(y)ԿԇôʲôxЕ(hu)F(xin)˶ČW(xu)g(sh)~R@еČW(xu)g(sh)~Rʲôԇж(hu)oκν
ȑ(yng)ԓ緶(ni)ӢZ(y)(qun)Ŀԇ֮һԇW(xu)g(sh)~RO(sh)Ӌ(j)M(jn)иxһԭ憖}Ĵ҂ԏиԇı|(zh)˼
иĴ_Z(y)ԿԇиԇĸZ(y)ӢZ(y)DžsӢZ(y)(gu)ҌW(xu)(x)ČW(xu)ô(du)@ЩW(xu)ж(sh)xƻо(du)Z(y)Կԇӂ(c)ڜy(c)ԇܷڇ(gu)ĴW(xu)h(hun)沢ҌW(xu)(x)ڴW(xu)һ(g)W(xu)xʲô@ȻǸNnôᘌ(du)@Nиԇx־͑(yng)ԓW(xu)ܷxnW(xu)nwɌW(xu)g(sh)ԵĶνMдČW(xu)g(sh)~R@ӣиxҲF(xin)˶ČW(xu)g(sh)~R(yng)(dng)ֻ@ӲW(xu)Ƿܿn
һ(dng)mǧ(y)ӢnиxyȻöfxиx²һxӢnи¶xͿ϶ҲyӢn
Ć}--ǰ(ch)W(xu)g(sh)~R
ǰ(ch)W(xu)g(sh)~Rԓ_и漰wʮ֏VȻƌW(xu)ĿƌW(xu)(hu)ƌW(xu)ˇg(sh)ȵȟoFMпԇеČW(xu)g(sh)~RDz(sh)HҲǵЧʵиxµij}}ƫõڿǰ(ch)W(xu)g(sh)~Rr(sh)҂ֻھ(x)r(sh)}еČW(xu)g(sh)~RM(jn)һHHJ(rn)R(sh)~Ŀ(bio)(hu)(hu) (hu)f@ӁeһČW(xu)g(sh)~RԱCԇr(sh)P(gun)W(xu)g(sh)~RXһ(g)ҊıﻯW(xu)н(jng)F(xin)carbohydrate̼ˮ(dng)н(jng)F(xin)vertebrate(dng)
|(zh)Ć}--(chng)W(xu)g(sh)~R
(dng)҂?c)ڿ?chng)ϕr(sh)(du)вͬW(xu)g(sh)~RČӴҲ|(zh)DzͬġҪԚw
һЛ]нoP(gun)ጻx@W(xu)g(sh)~RֻͿ
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(du)҂ֻҪxһЩBͿȻĸsքeC A BK N(bio)ӛ֮P(gun)}r(sh)磺
According to the passage, which of the following birds conceal their nest?
(A) Bonapartes gulls
(B) Atlantic puffins
(C) Kittiwake gulls
(D) Northern gannets
BCDx(xing)ֱӌ(du)(yng)A BK N
ڶнoP(gun)ጻx@W(xu)g(sh)~R҂HҪ֪߀Ҫ(du)жxҕҊ(du)W(xu)g(sh)~Rxጵ̖(ho)Уxľ䣬ͬλZ(y)ľZ(y)̖(ho)̖(ho)
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}DZcementatioṇһ(g)|(zh)W(xu)g(sh)Z(y)̖(ho)֮gIJ֣nj(du)cementationĽጶx
2. The moon may be divided into two major terrains: the Maria (dark lowlands) and the Terrace (bright highlands).
@һУMariaºTerraceꑣP(gun)ČW(xu)g(sh)~R̖(ho)֮еIJ@(du)M(jn)˽ጡԓµһ(g)}Ŀ
All 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)Dļnj(du)ԓԒ̖(ho)еČW(xu)g(sh)~ጲM(jn)еһ(g)
_đB(ti)挦(du)W(xu)g(sh)~R
W(xu)g(sh)~RȻһЩyƽr(sh)(x)Ϳ(chng)ό(du)һ(g)_đB(ti)ǺҪġȻиx鱾|(zh)ĽǶȳl(f)ģMǽW(xu).W(xu)(x)^ôڌW(xu)(x)^xn^У϶кܶg(sh)Z(y)İ]Ҋ^ģW(xu)(x)ǰİ֪R(sh)׃Ϥ^ͨ^(du)nxW(xu)(x)ЩW(xu)g(sh)~RŌW(xu)֪R(sh)
ͬиxr(sh)Ҳ(dng)һ(g)nW(xu)(x)^һЩҪg(sh)Z(y)W(xu)g(sh)~Rnиx£Ǖ(hu)oጶx@ЩҲnjW(xu)(x)c(din)ҪcnͬnϣͶx(hu)ͻصw̖(ho)ʾиxУ҂Ҫw̖(ho)ȫһӵȡ(du)c(din)W(xu)g(sh)~RĽጶxһЩҪČW(xu)g(sh)~R|(zh)ҲҪô
ֻҪסиxЌW(xu)g(sh)~RĿ챾|(zh)ƽr(sh)m(dng)eۣ_đ(yng)(du)ټ_挦(du)đB(ti)ŴҶ܉иx廨TČW(xu)g(sh)~R
ô(yng)(du)иxЌW(xu)g(sh)~RP(gun)£
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