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【简答题】
A．A waitress. B．A salesgirl. C．A housewife. D．A receptionist.
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【简答题】Paynes Prairie Have you ever heard of Paynes Prairie? It is one of the most important natural and historical areas in Florida. Paynes Prairie is located near Gainesville. It is large, 21 000 acres. Th...
【单选题】Brooding and hopelessness are the ______ of Indians in the prairie reservations most of the time.
A.
occupations
B.
promises
C.
frustrations
D.
transactions
【单选题】They have already cleared a narrow field to _________ the spread of the prairie fire.
A.
check
B.
examine
C.
inspect
D.
foster
【简答题】E Paynes Prairie Have you ever heard of Paynes Prairie? It is one of the most important natural and historical areas in Florida. Paynes Prairie is located near Gainesville. It is large, 21 000 acres. ...
【单选题】In the north of the country, the sun always shines ______ the vast prairie land in summer.
A.
brightly on
B.
bright on
C.
bright in
D.
brightly in
【简答题】听力原文： Lecturer: Welcome to this presentation on Prairie Dogs. You can see a picture of these rather cute animals on this slide. As you can see, they are about the size of a rabbit and they have a brow...
【简答题】Prairie Dogs are able to invent ______ for things they have never seen before.
【单选题】韦伯定律揭示了差别感觉阈限与原刺激的强度之间存在着的定比例关系,可用公式 ( ) 来表示。
A.
K ＝ I / △ I
B.
△ I =k / I
C.
k= △ I / I
D.
I= △ I / k
【单选题】Brooding and hopelessness are the ______ of Indians in the prairie reservations most of the time.
A.
occupations
B.
promises
C.
frustrations
D.
transactions
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