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【单选题】
第一个实系数多项式都可分解为实系数的( )不可约因式的乘积。
A.
一次
B.
二次
C.
一次和二次
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【判断题】《钱铃双刀舞》流行于三亚、东方两市和乐东、昌江两个黎族自治县。
A.
正确
B.
错误
【单选题】下列哪种牛产的乳最浓厚( )
A.
娟姗牛
B.
黑白花牛
C.
水牛
D.
三河牛
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【多选题】人体中气的作用有哪些?
A.
推动
B.
温煦
C.
固摄
D.
气化
【简答题】part Two E Listen to the dialogue twice and answer the following questions. 1. What had John and Mary arranged to do?
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