检查时应检查下列内容，除了（）。 A．牙列是否完整 B．有无拥挤错位 C．覆、覆盖关

若三角形三边长分别为3，3，4，求其面积。

已知一组数据的极差为12，若选取组距为3，则把这组数据分为 ▲ 组

补全对话。

(F---Fred  G---Miss Green)

F: Can you cook, Miss Green?

G: No, I can't 1_____.

F: I can. 

G: 2_____

F: My mother. She lets me do some housework on Saturday and Sunday. 

G: What can you cook?

F: Some meat, rice and eggs.

G: 3_____

F: Yes, but a little. I like fruit a lot. What about you?

G: I don't like meat at all. I like eggs and fruit. 4_____

F: Certainly. 5_____

G: Thanks a lot. 

F: Not at all.

A. Who teaches you to cook?

B. I can do that tomorrow. 

C. Do you like meat?

D. What about you?

E. Can you teach me to cook?

The approach we propose is a system-oriented methodology for knowledge acquisition, this orientation emphasizes ongoing documentation throughout each cycle and technique applied. Program-wide documentation is suggested, both for the purpose of internal (91) and for later verification and (92) efforts. The documentation system we propose includes a central "knowledge acquisition (93) " which is (94) to reflect knowledge acquisition plans, session nodes, and domain expert participation. Specifically, (95) within the database system include knowledge acquisition forms, which document plans for, and notes from, knowledge acquisition session, domain expert file, and rule content forms.

（93）是（）

A.dataset

B.collection

C.file

D.database

固定资产购建应纳入各行社综合发展计划，编制年度预算。达到规定标准的固定资产购建，应事先申报立项，按审批权限逐级申报审批。经批复同意购建的，房屋及建筑物购建必须自批准之日起（）内实施。

A、三个月

B、六个月

C、一年

D、二年