и ԇ^еҪҪӛPӛӛPӛ ăݮaӰ푆Сϣи俼
кܶ俼иͬWǷӛPӛìXԼӛPӛֱ^` @^ӛ˵һԒڶѽ(jng) ^ȥQԒfWXӛPӛ` ôЩͬWҲӛPӛӛ˝MMһƪڿ}Ŀĕrأ֟o}Ŀҳ
ôҪҪӛPӛ? ҂һиپW(wng)ָеăݣ
Listening Materials
и ϷԒv߶ǁԴڱУ@挍
ÿvԒLȞ3-6挍ČWgZ磺vУڿܕżfЩ}ԒcWҲֻ͆}ijһcMھԒУܕF(xin)T`Ҽm؏͵ȬF(xin)еĿZF(xin)и ϵҌԭĵĻAϕMʹԼvԒʽ(ͣDt) ԒvrԓWPӛ ϲּڿWӛ
҂ɏһ䣬 ԒvrԓWPӛ ϲּڿWӛ҂˽HϴֿҪPӛ҂}ĿãֻҪ҂YиԇгҊĘ־~ڹPӛӛ־~ăڹPӛҵ𰸵Ďʾ͕ӡ
ôBһи Ѓ^͵Ę־~
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but...
however...
nevertheless... while...
yet...
unless... except for...
actually
in fact...
To tell you the truth...
practically...
virtually...
as a matter of fact...
һ}ĿȥCһ
@Ԓ
Stone Meteorites actually account for almost all of the meteorite material that falls to earth.
But even so, it's rare to ever find one.
}ĿWhat are two points the professor makes about stone meteorites?
A.They are the type of meteorite that most commonly falls to the ground.
B.They are type of meteorite most often seen in museums.
C.They are the oldest type of meteorite found on the ground
D.They are the most difficult type of meteorite to find on the ground.
}Ŀ𰸞AD
ã҂ ľЃɂD~Rքeactuallybutôactually҂ ăǣʯEʯHڵ䵽ϵEʯռBut@Ԓ ăǣMҵһy
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ҪָbfԒfһ 벻ȥԓfʲô~RУ
er... um...
well; you know...
҂һ}ĿȥCһ
@ԒOK, comets and asteroids. It might help if you think of ... remember we talked about the two classes of planets in our solar system?
}Ŀ
What comparison does the professor make to help describe the composition of asteroids and comets?
A.He compares them to stars.
B.He compares them to types of planets.
C.He compares them to rocks on Earth.
D.He compares them to meteors and meteorites.
}ĿĴ𰸞 B
ôͬWм^͕l(f)F(xin)ͣD҂ ăǣӛ҂ӑՓ^̫ϵеădž? }Ŀǣʲôȥ? УֻBx漰@ʴ𰸞B
F(xin)ǷI?ϣ܉