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`(yng)(du)иx}еČW(xu)g(sh)~R

r(sh)g2021-01-23 09:37:31 иԇ

`(yng)(du)иx}еČW(xu)g(sh)~R

ʲônjW(xu)g(sh)~R

`(yng)(du)иx}еČW(xu)g(sh)~R

иxn(jng)ЌW(xu)(du)sČW(xu)g(sh)~R^۲ѡ@~R(hu)xٶȣӰw_иxУеĆ~Աwһ㹦~R͌W(xu)g(sh)~Rһ㹦~](mi)@ČW(xu)g(sh)磺animal, organ, timeW(xu)g(sh)~RָһضW(xu)Ʊ~RijһN(dng)archaeopteryx(ʼB(nio))ijһ(g)Y(ji)(gu)nerve cord((jng))ijһ(g)vʷr(sh)Cretaceous(׈׼o(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~~Yȥœy(c)҂ܸBĝhZ(y)˼֪磺иxгF(xin)^(gu)һNKittiwakeB(nio)hZ(y)ֺt@(g)~҂Ҳ](mi) (tng)^(gu)İČW(xu)g(sh)~R(hu)Ӱ҂xٶȣҲӰ҂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)ԓţ緶(ni)ӢZ(y)(qun)Ŀԇ֮һԇW(xu)g(sh)~RO(sh)Ӌ(j)M(jn)иxһԭġ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)Կԇ͸ӂ(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)nw׶ɌW(xu)g(sh)ԵĶνMдČW(xu)g(sh)~R@иxҲF(xin)˶ČW(xu)g(sh)~R(yng)(dng)ֻ@ӲW(xu)Ƿܿnһ(dng)mǧ(y)ӢnиxyȻö࣬f(shu)xиx²һxӢnǣи¶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)HģҲǵЧʵиxµij}}ƫõġڿǰ(ch)W(xu)g(sh)~Rr(sh)҂ֻھ(x)r(sh)}еČW(xu)g(sh)~RM(jn)һHH"J(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)н(jng)F(xin)carbohydrate(̼ˮ)(dng)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)"DzͬҪԚw

һЛ](mi)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(du)҂ֻҪxһЩB(nio)ͿȻĸs(xi)քe"C" "A" "BK""N"(li)(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(du)(yng)"A" "BK""N"ɡ

ڶнoP(gun)ጻx'@W(xu)g(sh)~R҂HҪ֪""߀Ҫ(du)жxҕҊ(jin)(du)W(xu)g(sh)~Rxጵ̖(ho)УxľͬλZ(y)ľ䣬Z(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}DZcementation()һ(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)

@һУMaria(º)Terrace()P(gun)ČW(xu)g(sh)~R̖(ho)֮еIJ@(du)M(jn)˽ጡԓµһ(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)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)~RȻһЩyȣƽr(sh)(x)Ϳ(chng)ό(du)һ(g)_đB(ti)ǺҪȻиx鱾|(zh)ĽǶȳl(f)ģMǽW(xu)ČW(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)~R)n(иx)Ǖ(hu)oጶx@ЩҲnjW(xu)(x)c(din)ҪcnͬǣnͶx(hu)ͻصw̖(ho)(li)ʾиxУ҂Ҫw̖(ho)ȫһӵȡ(du)c(din)W(xu)g(sh)~RĽጶxһЩҪČW(xu)g(sh)~R"|(zh)"ҲҪôߡֻҪסиxЌW(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

`(yng)(du)иx}еČW(xu)g(sh)~RP(gun)£

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