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【单选题】
频率为 100Hz 、波速为 200m/s 的平面简谐波,波线上距离小于波长的两点振动的相位差为 0.5π ,则这两点相距A.
0.25m
B.
0.50m
C.
1.00
D.
2.00
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举一反三
【单选题】The film Tiny Times puts too much emphasis on “bling-bling” items, and that distracts from its .
A.
audience
B.
novel
C.
theme
D.
lifestyle
【单选题】I think Zhang Yimou's newly-released movie The Flowers of War is outstanding _____ it puts its spotlight on the two most universal and attractive themes women and wars. [ ]
A.
on condition that
B.
on purpose that
C.
in order that
D.
in that
【判断题】To protect its national independence, Britain puts its national law above the European Union law
A.
正确
B.
错误
【单选题】Beijing government puts more than 700 million yuan to increase its green space this year,____________ doubles the money provided last year.
A.
as
B.
while
C.
that
D.
which
【单选题】____puts its emphasis on reliability and objectivity.
A.
The essay-translation approach
B.
The structuralist approach
C.
The integrative approach
D.
The communication approach
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