煤矿企业供电的基本要求是（ ）、（ ）、（ ）、（ ）。
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When is the first Oscar award？第一届奥斯卡金像奖举办的时间是哪一年？
A. 1920
B. 1929
C. 1930
D. 1935
When is theOscar Award Ceremony held every year?
A. From February to April
B. From June to August
C. From January to March
D. From November to December
Where is the Oscar Award held every year?
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