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【单选题】
在图中所示放大电路，已知UCC=6V,RC=2KΩ，RB=200KΩ,β=50，放大电路的静态工作点为()
A.
击穿去
B.
反向击穿去
C.
导通区
D.
反向导通区
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【单选题】However, as the evidence began to ______, experts from the Zoo felt obliged to investigate.
A.
accumulate
B.
amass
C.
assemble
D.
congregate
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正确
B.
错误
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leaf
B.
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【多选题】In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）
A.
Syntax when writing queries involving JOINS
B.
Memory usage when working with the data
C.
Character set mapping index hash size
D.
Disk usage when storing data
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【多选题】Who are the main Character s in Avatar?
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Jake Sully
B.
Dr. Grace Augustine
C.
Neytiri
D.
Tsu’Tey
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