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【简答题】
请说说经过这一个月来的接触,你个人对舞蹈欣赏课程的看法? (希望同学们将自己真实、纯真的想法讲述出来~)
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参考答案:
举一反三
【单选题】若点P的极坐标为(2, ),则该点的直角坐标为 (    )
A.
( , 1)
B.
(1, )
C.
(1,- )
D.
( ,-1)
【单选题】在平面直角坐标系xOy中,点P的坐标为(-1,1),若取原点O为极点,x轴正半轴为极轴,建立极坐标系,则在下列选项中,不是点P极坐标的是(  )
A.
( )
B.
( )
C.
( )
D.
( )
【单选题】Our teacher lives in the house ____ door faces to the north.
A.
which
B.
his
C.
that
D.
whose
【单选题】在平面直角坐标系 中,点P的直角坐标为 。若以圆点O为极点, 轴半轴为极轴建立坐标系,则点P的极坐标可以是
A.
B.
C.
【单选题】Our English teacher often asks us to do a _____ fast reading in class. [     ]
A.
five minute's
B.
five minute
C.
five minutes'
D.
five minutes
【单选题】When is Black Friday?
A.
One day after Thanksgiving.
B.
Two days after Thanksgiving
C.
Three days after Thanksgiving.
D.
Four days after Thanksgiving
【单选题】在平面直角坐标系 中,点P的直角坐标为 。若以原点O为极点, 轴正半轴为极轴建立坐标系,则点P的极坐标可以是     (   )
A.
B.
C.
【简答题】When is Black Friday of 2020?写法同上
【单选题】(2).(坐标系与参数方程选做题)若以直角坐标系的原点为极点, 轴的非负半轴为极轴建立极坐标系,则线段 的极坐标为( )
A.
B.
C.
【简答题】Black Friday Black Friday is the Friday following Thanksgiving in the US. On this day,the Christmas shopping season begins and large stores all over the US have sales. Recently,Black Friday has been t...
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