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【单选题】
下面 是合法的字符常数。 (A)ABC$ (B)"ABC" (C)'ABC' (D)ABCA.
A
B.
B
C.
C
D.
D
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举一反三
【单选题】What is the feature of the country songs?
A.
Perform freely, many unprepared changes and heavy and strong rhythms.
B.
This music has its own melancholic charm.
C.
Their message is direct and immediate.
【多选题】what is the feature of VKH :
A.
Granulomatous autoimmune inflammation
B.
With the history of eyeball injury
C.
Mutton-fat KPs
D.
Sunset-glow fundus
E.
Dalen-Fuchs nodules
F.
Sensitive to the treatment of corticosteroid
【单选题】According to the speaker, what is the feature of air pollutants?
A.
Its contents often remain stable.
B.
Its definition will change over time.
C.
Air pollutants are natural.
D.
Air pollutants are man-mad
【判断题】The value of the marginal product of land is the marginal product of land multiplied by the price of the output produced on the land.
A.
正确
B.
错误
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