调查我们身边的生物种类时，为了节省时间，调查最主要的生物就行了．______．

看图，写出下列单词。

1.                  2.                     3. 

                     4.                 5. 

经纪合同类型有哪些？你认为怎样签订经济合同才能保护经纪人的合法权益？自己拟一份经纪合同。

三十二岁，初孕妇，幼年曾患急性肾炎。检查：血压120/80mmHg，下肢水肿(+)，心率80次/分，律齐，心尖区Ⅱ级舒张期杂音。宫高18cm，胎心率140次/分。HBsAg(+)尿蛋白(±)，空腹血糖5.6mmol/L。

最可能的诊断是()

A．妊娠合并心脏病

B．妊娠合并急性病毒性肝炎

C．妊娠高血压综合征

D．妊娠合并糖尿病

E．妊娠合并慢性肾炎

Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN (1) nearly impossible. With the model for collaborative work spreading, and with more users sharing (2) documents through e-mail and the Internet, enterprise EDM had become a necessity.

Many businesses are finding their greatest competitive advantage is the ability to harness the document (3) lifecycle. EDM systems manage this lifecycle from creation, revision, storage and (4) retrieval to routing and workflow. They also allow users to work on documents collaboratively.

Reusability of information is EDM’s main benefit, as well as the key to creating the paradigms that drive business process (5) reengineering.

3（）

A．database

B．controller

C．lifecycle

D．center

用薄层色谱检识中药化学成分时，在紫外光下可显蓝色荧光的化合物类型是（）。

A.二萜

B.三萜

C.多糖

D.香豆素

E.胆汁酸