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【多选题】
短期政府债券的特征包括( )。A.
面额大
B.
违约风险小
C.
交易成本高
D.
收入免税
E.
流动性强
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举一反三
【判断题】请根据文章内容判断下面句子正误。 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, Blac...
A.
正确
B.
错误
【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】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.
（ 2 ， 3π 4 ）
B.
（ 2 ，- 5π 4 ）
C.
（ 2 ， 11π 4 ）
D.
（ 2 ，- π 4 ）
【单选题】Our teacher lives in the house ____ door faces to the north.
A.
which
B.
his
C.
that
D.
whose
【简答题】When is Black Friday of 2020?写法同上
【简答题】Black Friday Black Friday is the Friday following Thanksgiving in the U.S. On this day, the Christmas shopping season begins and large stores all over the US have sales. Recently, Black Friday has bee...
【单选题】-- Our English teacher tells us that ______ grammar is a good way to learn English. --And our teacher says _____ also helpful to sing English songs.
A.
study, that was
B.
is studying, it’s
C.
studying, it’s
D.
studied, that was
【判断题】请根据文章内容判断下面句子正误。 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, Blac...
A.
正确
B.
错误
【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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