ô(yng)(du)иxЌW(xu)g(sh)~R
ʲônjW(xu)g(sh)~R
иxnϣ(jng)ЌW(xu)(du)sČW(xu)g(sh)~R^۲@(li)~R(hu)xٶȣӰw_иxеĆ~Աw(li)һ㹦~R͌W(xu)g(sh)~Rһ㹦~](mi)@ČW(xu)g(sh)磺animal, organ, time W(xu)g(sh)~Rָһ(li)ضW(xu)Ʊ~RijһN(dng)archaeopteryxʼB(nio)ijһ(g)Y(ji)(gu)nerve cord(jng)ijһ(g)vʷr(sh) Cretaceouso(j)ȵһ㹦~иxе@ЩW(xu)g(sh)~R(du)҂?c)xϵK
w(li)f(shu)xеČW(xu)g(sh)~R֮yҪ(g)棺һ҂俼^(gu)кٕ(hu)ij(g)ضW(xu)Ƶ~RڶW(xu)g(sh)~Ryͨ~~Yȥy(c)҂ܸBĝhZ(y)˼֪磺иxгF(xin)^(gu)һNKittiwakeB(nio)hZ(y)ֺt@(g)~҂Ҳ](mi) (tng)^(gu)ˣİČW(xu)g(sh)~R(hu)Ӱ҂xٶҲӰ҂B(ti)
ʲô(hu)ЌW(xu)g(sh)~R
ôȻиһT(mn)Z(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(wn)}Ĵ҂ԏиԇı|(zh)(li)˼
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@иxҲF(xin)˶ČW(xu)g(sh)~R(yng)(dng)ֻ@ӲW(xu)Ƿܿn
һ(dng)mǧ(y)ӢnиxyȻöf(shu)xиx²һxӢnи¶xͿ϶ҲyӢn
Ć(wn)}--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)ȵȟo(w)FMпԇеČW(xu)g(sh)~RDz(sh)HҲǵЧʵġиxµij}}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)(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)F(xin)carbohydrate̼ˮ(dng)(li)н(jng)F(xin)vertebrate(dng)
|(zh)Ć(wn)}--(chng)W(xu)g(sh)~R
(dng)҂?c)ڿ?chng)ϕr(sh)(du)вͬW(xu)g(sh)~RČӴҲ|(zh)DzͬġҪԚw(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(du)҂ֻҪxһЩB(nio)(li)ͿȻĸs(xi)քeC A BK N(li)(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
ڶ(li)нoP(gun)ጻxġ@(li)W(xu)g(sh)~R҂HҪ֪(li)߀Ҫ(du)жxҕҊ(jin)(du)W(xu)g(sh)~Rxጵ̖(ho)УxľͬλZ(y)ľZ(y)̖(ho)̖(ho)ȡ
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)֮gIJnj(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)˽ԓµһ(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)^(gu)ôڌW(xu)(x)^(gu)xn^(gu)У϶кܶg(sh)Z(y)İ](mi)Ҋ(jin)^(gu)W(xu)(x)ǰİ֪R(sh)׃Ϥ^(gu)ͨ^(gu)(du)nxW(xu)(x)ЩW(xu)g(sh)~RŌW(xu)֪R(sh)
ͬиxr(sh)Ҳ(dng)һ(g)nW(xu)(x)^(gu)̡һЩҪg(sh)Z(y)W(xu)g(sh)~Rnиx£Ǖ(hu)oጶx@ЩҲnjW(xu)(x)c(din)ҪcnͬnͶx(hu)ͻصw̖(ho)(li)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)e_đ(yng)(du)ټ_挦(du)đB(ti)ŴҶ܉иx廨T(mn)ČW(xu)g(sh)~R
ô(yng)(du)иxЌW(xu)g(sh)~RP(gun)£
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