一二三区免费观看|av无码字幕av|亚洲AV综合色区无码一区|五月激情网婷婷激情|久久久久久久久久久久久大色天下|国产97av在线|四虎一区在线观看|96人人操_人人|九九九日本精品免费观看|伊人久久激情

ôиxЌWg(sh)~R

rg2021-01-21 13:20:35 иԇ ҪͶ

ôиxЌWg(sh)~R

ʲônjWg(sh)~R

ôиxЌWg(sh)~R

иxn(jng)ЌWsČWg(sh)~R^۲@~RxٶӰw_иxУеĆ~Աwһ㹦~R͌Wg(sh)~Rһ㹦~]@ČWg(sh)磺animal, organ, time Wg(sh)~RָһضWƱ~RijһNarchaeopteryxʼBijһY(ji)(gu)nerve cord(jng)ijһvʷrڣ Cretaceous׈׼oȵһ㹦~иxе@ЩWg(sh)~R׌҂xϵK

wfxеČWg(sh)~R֮yҪ棺һ҂俼^кٕijضWƵ~RڶWg(sh)~Ryͨ~~Yȥœy҂ܸBĝhZ˼֪磺иxгF(xin)^һNKittiwakeBhZֺt@~҂Ҳ] ^İČWg(sh)~RӰ҂xٶȣҲӰ҂B(ti)

ʲôЌWg(sh)~R

ôȻиһTZԿԇôʲôxЕF(xin)˶ČWg(sh)~R@еČWg(sh)~Rʲôԇжoκν

ȑԓ緶(ni)ӢZ(qun)Ŀԇ֮һԇWg(sh)~ROӋMиxһԭ憖}Ĵ҂ԏиԇı|(zh)˼

иĴ_ZԿԇиԇĸZӢZDžsӢZҌWČWô@ЩWж(sh)xƻоZԿԇ͸ӂ(c)ڜyԇܷڇĴWh(hun)沢ҌWڴWһWxʲô@ȻǸNnôᘌ@Nиԇx־͑ԓWܷxnWnw׶ɌWg(sh)ԵĶνMдČWg(sh)~R@иxҲF(xin)˶ČWg(sh)~Rֻ@ӲWǷܿn

һmǧ퓵ӢnиxyȻöfxиx²һxӢnи¶xͿ϶ҲyӢn

Ć}--ǰWg(sh)~R

ǰWg(sh)~Rԓ_и漰wʮ֏VȻƌWĿƌWƌWˇg(sh)ȵȟoFMпԇеČWg(sh)~RDzHģҲǵЧʵиxµij}}ƫõڿǰWg(sh)~Rr҂ֻھr}еČWg(sh)~RMһHHJR~Ŀˣ f@ӁeһČWg(sh)~RԱCԇrP(gun)Wg(sh)~RXһҊıﻯWн(jng)F(xin)carbohydrate̼ˮн(jng)F(xin)vertebrate׵ȡ

|(zh)Ć}--Wg(sh)~R

҂ڿϕrвͬWg(sh)~RČӴҲ|(zh)DzͬġҪԚw

һЛ]нoP(gun)ጻx@Wg(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 ҂İČWg(sh)~R҂ֻҪxһЩBͿȻĸsքeC A BK Nӛ֮P(gun)}r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

BCDxֱӌA BK Nɡ

ڶнoP(gun)ጻx@Wg(sh)~R҂HҪ֪߀ҪжxҕҊWg(sh)~Rxጵ̖УxľͬλZľZ̖̖

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|(zh)Wg(sh)Z̖֮gIJ֣njcementationĽጶx

2. The moon may be divided into two major terrains: the Maria (dark lowlands) and the Terrace (bright highlands).

@һMariaºTerraceꑣP(gun)ČWg(sh)~R̖֮еIJ@M˽ԓµһ}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.

xDļnjԓԒ̖еČWg(sh)~ጲMеһ顣

_đB(ti)挦Wg(sh)~R

Wg(sh)~RȻһЩyƽrͿόһ_đB(ti)ǺҪġȻиx鱾|(zh)ĽǶȳl(f)ģMǽW.W^ôڌW^xn^϶кܶg(sh)Zİ]Ҋ^Wǰİ֪R׃Ϥ^ͨ^nxWЩWg(sh)~RŌW֪R

ͬӣиxrҲһnW^̡һЩҪg(sh)ZWg(sh)~Rnиx£Ǖoጶx@ЩҲnjWcҪcnͬnͶxͻصw̖ʾиx҂Ҫw̖ȫһӵȡcWg(sh)~RĽጶxһЩҪČWg(sh)~R|(zh)ҲҪô

ֻҪסиxЌWg(sh)~RĿ챾|(zh)ƽrme_đټ_挦đB(ti)ŴҶ܉򹥿иx廨TČWg(sh)~R

ôиxЌWg(sh)~RP(gun)£

`иx}еČWg(sh)~R09-03

ôиx~R}08-30

иx~R}ԓô09-05

н㑪иxе~08-13

иxI(y)~Rôk08-30

иx~R09-06

иx~R09-02

иx~Rx08-31

иx~R08-28