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【单选题】
债券期限越长，其利率风险（ ）。A.
越小
B.
越大
C.
为零
D.
越无法确定
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【单选题】下列说法中错误的个数是( ) (1)过一点有且只有一条直线与已知直线平行; (2)过一点有且只有一条直线与已知直线垂直; (3)不相交的两条直线叫做平行线; (4)有公共顶点且有一条公共边的两个互补的角互为邻补角.
A.
1个
B.
2个
C.
3个
D.
4个
【简答题】完形填空。 Newton (牛顿) was a great English scientist. He was one of the greatest 1 in history. One morning he got up early and began 2 on a difficult problem. It was time to have breakfast, but he was thin...
【单选题】判断下列语句中，正确的个数有（ ） ①两条直线相交，若有一组邻补角相等，则这两条直线互相垂直；②从直线外一点到已知直线的垂线段，叫做这个点到已知直线的距离；③从直线外一点画已知直线的垂线，垂线的长度就是这个点到已知直线的距离；④画出已知直线外一点到已知直线的距离．
A.
1个
B.
2个
C.
3个
D.
4个
【简答题】put it in a pan. (Do not / Does not ) put it in a bowl.
【简答题】A girl complained to her father about her hard life. She didn’t know what she had to do and wanted to 36 . She felt tired for fighting and fighting. One problem had been finished but another came. Her...
【简答题】完形填空。 A girl complained to her father about her hard life．She didn't know what she had to do and wanted to give up．She felt tired for fighting and fighting ．One problem had been finished but anoth...
【简答题】D 值( D value or decimal reduction time , D )
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