иxn(jng)ЌW(xu)(du)sČW(xu)g(sh)~R^۲ѡ@~R(hu)xٶȣӰw_иxУеĆ~Աwһ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);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~R;ڶW(xu)g(sh)~Ryͨ~~Yȥy(c);҂ܸBĝhZ(y)˼֪磺иxгF(xin)^(gu)һNKittiwakeBhZ(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)ԇôʲôxЕ(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)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)Ƿܿnһ(dng)mǧ(y)ӢnиxyȻö࣬f(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)HҲǵЧʵиxµij}}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)(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)"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 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)҂ֻҪxһЩBͿԣȻĸsքe"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)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}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 the Terrace (bright highlands)
@һMaria(º)Terrace()P(gun)ČW(xu)g(sh)~R̖(ho)֮еIJ@(du)M(jn)˽ԓµһ(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)顣
_đB(ti)挦(du)W(xu)g(sh)~R
W(xu)g(sh)~RȻһЩyƽr(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)϶кܶg(sh)Z(y)İģ](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)ʾиx҂Ҫw̖(ho)ȫһӵȡ(du)c(din)W(xu)g(sh)~RĽጶxһЩҪČW(xu)g(sh)~R"|(zh)"ҲҪôֻҪסиxЌW(xu)g(sh)~RĿ챾|(zh)ƽr(sh)m(dng)e_đ(yng)(du)ټ_挦(du)đB(ti)ŴҶ܉иx廨TČW(xu)g(sh)~R