影响混合质量有哪些因素？

第二节（共5小题；每小题2分，满分10分）

　　根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　BEUING(Associated Press)- China has a growing middle class,a tradition of expecting education and 21 million new babies every year. 71

　　While China may be the world's biggest toy maker,many of the best are exported. 72 It is said that the demand for educational toys is low.

　　A US company,BabyCare,is trying to change that with a new way to sell toys in China. 73 People who join the company's "mother club" can get lectures and newsletters on baby and child devlopment at no extra cost,if they agree to spend 18 dollars a moth on the company's educational toys and child carebooks.

　　"We want to build a seven year relationship with those people," said Matthew J.Estes,BabyCare's president." 74 " BabyCare works on a one - to - one advise parents,explain toys that are designed for children at each stage(阶段) of development to age six.

　　BabyCare opened its first store in China last June in a shopping center in central Beijing and another near Beijing Zoo. 75

　　It is a new model for China and develops a market in young children's education and health that no other companies are in.

A．It starts during pregnancy(孕期),when the anxiety and needs are highest.

B．The highest quality toys can be seen in the department stores all over China.

C．Selling educational toys should be easy.

D．It plans to have 80 stores in China within six years.　　E.Department stores here do not have enough high quality toys.

　　F.It will have more stores in the United States and some other countries.

　　G.BabyCare works basically together with doctors in Beijing hospitals.

被称为“杂交水稻之父”的是[ ]

A．袁和平

B．袁世凯

C．袁隆平

D．钱学森

交通部门有偿转让高速公路收费权行为，属于营业税征收范围，应按“交通运输业”税目征收营业税。 ( )

军事设施管理单位的执勤人员依照国家有关规定，对不听制止的，可以采取的措施包括：（）

A、强制带离非法进入军事禁区、军事管理区的人员，对违法情节严重的人员予以扣留并立即移送公安机关或者国家安全机关；

B、立即制止信息传输等行为，扣押用于实施违法行为的器材、工具或者其他物品，并移送公安机关或者国家安全机关；

C、在紧急情况下，需上级批准，清除严重危害军事设施安全和使用效能的障碍物；

D、在危及军事设施安全或者执勤人员生命安全等紧急情况下使用武器。

《汉书》记载：“富商大贾周流天下，交易之物莫不通。”下列对当时商业发展的描述正确的是（）

A.商业活动突破了时间和空间的限制

B.“草市”成为重要的地方商业中心

C.到处都有便利的客舍、邸店和车坊

D.繁华商业中心成为交易活动的平台