Did you have a neighbor who was always()your business?
A. doing
B. making it
C. getting above.
D. poking his nose into
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G-Abis接口提供()带宽传输CS-1/CS-2/CS-3/CS-4编码方式的分组数据。
A. 16kbit/s
B. 64kbit/s
C. 32kbit/s
D. 13kbit/
()不能用肟化法测定含量。
A. 丙酮
B. 丙醛
C. 甲酸
D. 乙酸