如图A、B为两个细胞结构模式图．据图回答： （1）若一个是动物细胞应是____

下列单据中，只有( )才可用来结汇。

A．大副收据

B．铁路运单副本

C．场站收据副联

D．铁路运单正本

2005年10月，我国成功发射（）载人飞船。

A、“神舟”6号

B、“神舟”5号

C、“神舟”4号

D、“神舟”3号

职务侵权民事责任的构成要件有（）

A.主体须为国家机关或国家机关工作人员

B.行为须为执行职务的行为

C.行为须为违法行使职权

D.须行为人主观上有过错

E.须行为人主观上有故意

楔状交错层理

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

It is more and more usual that users of Information Retrieval (IR) systems must face up to response of hundreds or thousands of (1) documents. A significant proportion of them are moreover (2) or redundant. This is a straight consequence of two well - known facts: the incessant growing of documental databases and the lack of ability of most users to define (3) information needs. In such a framework, further effective retrieval techniques are only part of the solution. Interfaces with alternative ways for organizing and (4) the results returned by a (5) would be of great utility assisting users to find relevant documents. Document clustering may play a central role as an effective technique for organizing query results.

5（）

A．search engine

B．search tools

C．database

D．computer