某商店第四季度商品销售量为第三度的125%，这个相对数是（）。A、综合指数 B、数量指

按合同约定的券种、数量取得债券质权，并在回购期间拥有债券质权，这是全国银行间市场式质押交易中( )。

A．正回购方的义务
B．逆回购方的义务
C．正回购方的权利
D．逆回购方的权利

如图所示，两个完全相同的弹性小球A和B分别挂在l和l/4的细线上，重心在同一水平面且小球恰好相互接触，把第一个小球A向右拉开一个不大的距离后由静止释放，经过多长时间两球发生第12次碰撞（两球碰撞时交换速度）？

I am told that her father is in London and ______ a dry-goods store.

A．has kept

B．kept

C．keeps

D．had kept

下列哪种药物是AChE和BuChE抑制剂（）

A.美金刚

B.多奈哌齐

C.石杉碱甲

D.加兰他敏

E.重酒石酸卡巴拉汀

Town T has 20,000 residents, 60 percent of whom are female. What percent of the residents were born in Town T ？（）
(1)The number of female residents who were born in Town T is twice the number of male residents who were not born in Town T.
(2)The number of female residents who were not born in Town T is twice the number of male residents who were born in Town T.

A.条件（1）充分，但条件（2）不充分.

B.条件（2）充分，但条件（1）不充分.

C.条件（1）和（2）单独都不充分，但条件（1）和条件（2）联合起来充分.

D.条件（1）充分，条件（2）也充分.

E.条件（1）和条件（2）单独都不充分，条件（1）和条件（2）联合起来也不充分.