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иԇxČWg~Rȫ

l(f)rg:2017-08-05݋

иxԇ^ЌWsČWg~Rס˼·xٶСѼиԇxČWg~Rȫx鿴ϣゃЎ

ʲônjWg~R

иxnЌWsČWg~R^۲@~RxٶӰw_ʡиxеĆ~Աwһ㹦~R͌Wg~Rһ㹦~]@ČWg磺animal, organ, time Wg~RָһضWƱ~RijһNarchaeopteryx(ʼB);ijһYnerve cord()ijһvʷr Cretaceous(׈׼o)ȵȡһ㹦~иxе@ЩWg~R׌҂xϵK

wfxеČWg~R֮yҪ棺һ҂俼^кٕijضWƵ~R;ڶWg~Ryͨ~~Yȥœy;҂ܸBĝhZ˼֪磺иxгF(xin)^һNKittiwakeBhZֺt@~҂Ҳ] ^ˣİČWg~RӰ҂xٶҲӰ҂B(ti)

ʲôЌWg~R

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

ȑԓţ緶ӢZĿԇ֮һԇWg~ROӋMиxһԭ憖}Ĵ҂ԏиԇı|˼

иĴ_ZԿԇиԇĸZӢZDžsӢZҌWČWô@ЩW(ж(sh)xƻо)ZԿԇ͸ӂڜyԇܷڇĴWh(hun)沢ҌWڴWһWxʲô?@ȻǸNnôᘌ@Nиԇx־͑ԓWܷxnWnw׶ɌWgԵĶνMɣдČWg~R@иxҲF(xin)˶ČWg~Rֻ@ӲWǷܿn

һmǧ퓵ӢnиxyȻöfxиx²һxӢn;и¶xͿ϶ҲyӢn

""Ć}--ǰWg~R

ǰWg~Rԓ_и漰wʮ֏VȻƌWĿƌWƌWˇgȵȟoFMпԇеČWg~RDzHҲǵЧʵиxµij}}ƫõڿǰWg~Rr҂ֻھr}еČWg~RMһHH"JR~"Ŀˣ f@ӁeһČWg~RԱCԇrPWg~RXһҊıﻯWнF(xin)carbohydrate(̼ˮ)нF(xin)vertebrate(׵)

"|"Ć}--Wg~R

҂ڿϕrвͬWg~RČӴҲ"|"DzͬġҪԚw

һЛ]нoPጻxġ@Wg~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" ҂İČWg~R҂ֻҪxһЩBͿȻĸsքe"C" "A" "BK" "N"ӛ֮P}r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

BCDxֱӌ"A" "BK" "N"ɡ

ڶнoPጻx@Wg~R҂HҪ֪""߀ҪжxҕҊWg~Rxጵ̖Уxľ䣬ͬλZľZ̖̖ȡ

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|WgZ̖֮gIJnjcementationĽጶx

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

@һMaria(º)Terrace()PČWg~R̖֮еIJ@M˽ԓµһ}ĿУ

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~ጲMеһ

_đB(ti)挦Wg~R

Wg~RȻһЩyȣƽrͿόһ_đB(ti)ǺҪȻиx鱾|ĽǶȳl(f)ģMǽWČW^ôڌW^Уxn^϶кܶgZİ]Ҋ^Wǰİ֪R׃Ϥ^̡ͨ^nxWЩWg~RŌW֪R

ͬӣиxrҲһnW^һЩҪgZ(Wg~R)n(иx)Ǖoጶx@ЩҲnjWcҪcnͬnϣͶxͻصw̖ʾиx҂Ҫw̖ȫһӵȡcWg~RĽጶxһЩҪČWg~R"|"ҲҪô

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

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