иxnЌWsČWg~R^۲ѡ@~RxٶȣӰw_иxеĆ~Աwһ㹦~R͌Wg~Rһ㹦~]@ČWg磺animal, organ, timeWg~RָһضWƱ~RijһNarchaeopteryx(ʼB);ijһYnerve cord()ijһvʷrڣCretaceous(o)ȵһ㹦~иxе@ЩWg~R҂xϵK
wfxеČWg~R֮yҪ棺һ҂俼^кٕijضWƵ~R;ڶWg~Ryͨ~~Yȥy;҂ܸBĝhZ˼֪磺иxгF^һNKittiwakeBhZֺt@~҂Ҳ] ^İČWg~RӰ҂xٶҲӰ҂B
ʲôЌWg~R
ôȻиһTZԇôʲôxЕF˶ČWg~R?@еČWg~Rʲôԇжoκν?
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""Ć}--ǰWg~R
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"|"Ć}--Wg~R
҂ڿϕrвͬWg~RČӴΣҲ"|"DzͬҪԚw
һЛ]нoPጻx@Wg~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"҂İČWg~R҂ֻҪxһЩBͿȻĸsքe"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"
ڶнoPጻx@Wg~R҂HҪ֪""߀ҪжxҕҊWg~Rxጵ̖УxľͬλZľZ̖̖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|WgZ̖֮gIJnjcementationĽጶx
2. The moon may be divided into two major terrains: the Maria (dark lowlands) and the Terrace (bright highlands)
@һУMaria(º)Terrace()PČWg~R̖֮еIJ@M˽ጡԓµһ}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
xDļnjԓԒ̖еČWg~ጲMеһ
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