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ô(yng)(du)иxЌW(xu)g(sh)~R

r(sh)g2021-01-21 13:20:35 иԇ

ô(yng)(du)иxЌW(xu)g(sh)~R

ʲônjW(xu)g(sh)~R

ô(yng)(du)иxЌW(xu)g(sh)~R

иxn(jng)ЌW(xu)(du)sČW(xu)g(sh)~R^۲@~R(hu)xٶӰw_ʡиxеĆ~Աwһ㹦~R͌W(xu)g(sh)~Rһ㹦~](mi)@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) 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)һNKittiwakeBhZ(y)ֺt@(g)~҂Ҳ](mi) ^(gu)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)ԓţ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)Կԇ͸ӂ(c)ڜy(c)ԇܷڇ(gu)ĴW(xu)h(hun)沢ҌW(xu)(x)ڴW(xu)һ(g)W(xu)xʲôأ@ȻǸNnôᘌ(du)@Nиԇx־͑(yng)ԓW(xu)ܷxnW(xu)nw׶ɌW(xu)g(sh)ԵĶνMɣдČW(xu)g(sh)~R@ӣиxҲF(xin)˶ČW(xu)g(sh)~R(yng)(dng)ֻ@ӲW(xu)Ƿܿn

һ(dng)mǧ(y)ӢnиxyȻöf(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)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(shu)@Ӂ(li)eһČW(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)ȡ

|(zh)Ć(wn)}--(chng)W(xu)g(sh)~R

(dng)҂?c)ڿ?chng)ϕr(sh)(du)вͬW(xu)g(sh)~RČӴҲ|(zh)DzͬġҪԚw

һЛ](mi)нoP(gun)ጻxġ@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)҂ֻҪxһЩBͿȻĸsքeC 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

ڶнoP(gun)ጻxġ@W(xu)g(sh)~R҂HҪ֪߀Ҫ(du)жxҕҊ(du)W(xu)g(sh)~Rxጵ̖(ho)Уxľ䣬ͬλZ(y)ľZ(y)̖(ho)̖(ho)ȡ

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)~RȻһЩyȣƽr(sh)(x)Ϳ(chng)ό(du)һ(g)_đB(ti)ǺҪȻиx鱾|(zh)ĽǶȳl(f)ģMǽW(xu).W(xu)(x)^(gu)ôڌW(xu)(x)^(gu)Уxn^(gu)϶кܶg(sh)Z(y)İ](mi)Ҋ^(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)Ҫ⡣cnͬǣnͶx(hu)ͻصw̖(ho)(li)ʾиx҂Ҫw̖(ho)ȫһӵȡ(du)c(din)W(xu)g(sh)~RĽጶxһЩҪČW(xu)g(sh)~R|(zh)ҲҪôߡ

ֻ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

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