иxԇ^(gu)(jng)ЌW(xu)sČW(xu)g(sh)~Rס˼·xٶȣСѼиԇxČW(xu)g(sh)~Rȫx鿴ϣ(du)ゃЎ
ʲônjW(xu)g(sh)~R
иxnϣ(jng)ЌW(xu)(du)sČW(xu)g(sh)~R^۲@~R(hu)xٶȣӰw_иxеĆ~Աwһ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)archaeopteryx(ʼB(nio));ijһ(g)Y(ji)(gu)nerve cord((jng))ijһ(g)vʷr(sh)ڣ 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~R;ڶW(xu)g(sh)~Ryͨ~~Yȥy(c);҂ܸBĝhZ(y)˼֪磺иxгF(xin)^(gu)һNKittiwakeB(nio)hZ(y)ֺt@(g)~҂Ҳ](mi) (tng)^(gu)İČW(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)xиx²һxӢn;и¶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}}ƫõڿǰ(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)~RČӴΣҲ"|(zh)"DzͬġҪԚw
һЛ](mi)нoP(gun)ጻx@W(xu)g(sh)~Rֻ""Ϳ
磺Among the species of seabirds that use the windswept cliffs of the Atlantic coast ofCanada in the summer to mate, lay eggs, and rear their young are common murres, Atlanticpuffins, 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"
ڶнoP(gun)ጻxġ@W(xu)g(sh)~R҂HҪ֪""߀Ҫ(du)жxҕҊ(jin)(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 boundtogether in a mosaic of intergrown ice crystals - finally produce solid glacial ice.
@ƪ}DZcementation()һ(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 theTerrace (bright highlands).
@һMaria(º)Terrace()P(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)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)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