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【单选题】
某种透明介质对于空气的临界角(指全反射)等于45°,光从空气射向此介质的斯特角是A.
35.3°
B.
40.9°
C.
45°
D.
54.7°
E.
57.3°
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反馈参考答案：
举一反三
【单选题】Sentences: Direction: Choose the choice that best expresses the highlighted sentence. ( 4x5=20 points, 20% ) Charles Darwin published The Origin of Species. He wrote that life forms change in response...
A.
According to Darwin, particular environments cause life forms to change.
B.
Darwin wrote that life forms change the environments around them.
C.
According to Darwin, change is the essence of life forms.
D.
Darwin wrote that life forms change spontaneously.
【简答题】1) Prof. Williams says that my composition is good except for the end-ing which seems too (). 2) Suffering from insomnia for several days, Ann went to see her doctor and was told that the problem was ...
【单选题】For instance,something uppermost about my father was how he had ________ ______ me from boyhood to love books and reading.
A.
impressed in
B.
impress on
C.
impressed upon
D.
impressed within
【单选题】Which god is said to give birth to theaters and dramas?
A.
Apollo
B.
Dionysus
C.
Hestia
D.
Athena
【简答题】A. consequences B. seemingly C. in contrast to D. Curiosity E. abrupt F. emotional G. genuine H. primarily I. bless J. wear and tear K. sentiments L. dated 1) Prof. Williams says that my composition i...
【简答题】1) Prof. Williams says that my composition is good except for the ending which seems too________. 2) Suffering from insomnia for several days, Ann went to see her doctor and was told that the problem ...
【单选题】Which god is said to give birth to theater and drama?
A.
Apollo
B.
Dionysus
C.
Hestia
D.
Athena
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