2011年6月4日，中国网球选手李娜首次夺得法网冠军。看到五星红旗第一次在法国罗

某商店经销一批季节性小家电，每件成本40元．经市场预测，销售定价为50元时，可售出500个；定价每增加1元，销售量将减少10个．商店若准备获利8000元，则应进货多少个？定价为多少？（按下面所提供的解题步骤完成此题的解答）

（1）设每件商品的售价在50元的基础上增加x元，即定价（50+x）元，则每销售一个，获利润（______）元，这时销售量为（______）个；

（2）根据题意，列出方程为：______

整理，得______

（3）解这个方程，得______

（4）答：

省联社资金中心负责（）资金清算业务管理，制定、完善资金清算系统管理办法、操作规程等相关规章制度。

A.全省农村信用社

B.农商银行

C.各办事处市联社

D.县级联社

分部工程施工组织设计应该突出( )。

A．全局性

B．综合性

C．指导性

D．作业性

Our ape-men forefathers had no obvious natural weapons in the struggle for (1) in the open. They had neither the powerful teeth nor the p claws of the big cats. They could not (2) with the bear, whose strength, speed and claws (3) an impressive " small fire" weaponry. They could not even defend themselves (4) running swiftly like the horses, zebras or small animals. If the ape-men had attempted to compete on those terms in the open, they would have been (5) to failure and extinction. But they were (6) with enormous concealed advantages of a kind not possessed by any of their competitors.

In the search (7) the pickings of the forest, the ape-men had (8) efficient stereoscopic vision and a sense of color that the animals of the grasslands did not (9) . The ability to see clearly at close range permitted the ape-men to study practical problems in a way that lay far (10) the reach of the original inhabitants of the grassland. Good long-distance sight was (11) another matter. Lack of long-distance vision had not been a problem for forest-dwelling apes and monkeys because the (12) the viewpoint, the greater the range of sight-so (13) they had had to do was climb a tree. Out in the open, however, this simple solution was not (14) . Climbing a hill would have helped, but in many places the ground was flat. The ape-men (15) the only possible solution. They reared up as high as possible on their hind limbs and began to walk (16) . This vital change of physical position brought about considerable disadvantages. It was extremely unstable and it meant that the already slow ape-men became (17) still. (18) , they persevered and their bone structure gradually became (19) to the new, unstable position that (20) them the name Homo erectus, upright man.

7（）

A.for

B.of

C.on

D.at

下列片段里包含轻声音节的有（）

A、第一

B、地道（形容词）

C、摸摸

D、萝卜

E、屋里