有抗渗性要求的混凝土不宜选用矿渣硅酸盐水泥。（）

互联网新的运营模式不断出现，技术发展________，这对版权保护也提出了更多挑战。从当前的司法实践来看，各地法院对网络运营商的责任认定也常常存在差异。著作权法的立法宗旨是“尊重智慧，鼓励创作和传播”，这在网络时代也应该________。依次填入画横线部分最恰当的一项是：（）

A.突飞猛进亘古不变

B.层出不穷始终如一

C.一日千里一以贯之

D.日新月异坚明约束

《城镇土地使用权出让和转让暂行条例》规定，无偿取得划拨土地使用权的土地使用者，因迁移、解散、撤销、破产或者其他原因而停止使用土地的，( )应当无偿收回其划拨土地使用权，并可依照本条例的规定予以出让。

A．市、县人民政府

B．市、县人民政府土地管理部门

C．市、县人民政府建设管理部门

D．市、县人民政府房产管理部门

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。

Without plants, people could not live. We eat plants. ___71___ And we need plants for another reason—we need them because they are beautiful.

___72___ Imagine no flowers with their sweet smells, their beautiful colours and their lovely shapes. Imagine, when the wind blows, we are not able to hear the leaves of the trees or watch the branches swing from side to side.

___73___ That is why we have parks full of trees and flowers. That is why people always like houses with room for some grass and a garden.

Do you talk to your plants? ___74___ Peter Tompkins and Christopher Bird, writers of a book called The Secret of Plants, tell of an experiment in which two seeds were planted in different places. While the plants were growing, one plant was given love and hopeful ideas. ___75___ Under the earth it had more and longer roots; above the earth, it had a thicker stem and more leaves.

A．Plants get energy from the sun.

B．Do you give them love and take good care of them?

C．After six months, the deserted plant faded（凋谢）away.

D．After six months, the beloved plant was bigger.E. We take in oxygen that plants make.

F. Everywhere people need beautiful plants.

G. Imagine a world with no plants.

71.______   72.______   73.______   74.______   75.______

用于治疗、预防及诊断疾病的物质总称是（）

A.药品

B.剂型

C.制剂

D.调剂

E.中成药

夏普指数是( )。

A．连接证券组合与无风险资产的直线的斜率

B．连接证券组合与无风险证券的直线的斜率

C．证券组合所获得的高于市场的那部分风险溢价

D．连接证券组合与最优风险证券组合的直线的斜率