当两千斤绳夹角为60゜起吊重物时，则千斤绳受力将是理想受力的（）倍.A、1.15 B

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 (71) and for later verification and (72) efforts: The documentation system we propose includes a central "knowledge acquisition (73) "which is (74) to reflect knowledge acquisition plans, session nodes, and domain expert participation. Specifically, (75) 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.

（74）处填（）。

A．edited

B．updated

C．exchanged

D．revised

当有人触电或发生电器火灾时，下列做法正确的是： [ ]

A．立即将触电人拉开

B．立即用小刀或剪子将电线切断

C．应切断电源或用绝缘物将电线挑开

D．电器火灾发生时，应立即泼水遏制火势

已知，则还原型物质的还原性由强到弱排列正确的是()。

A.A

B.B

C.C

D.D

基金从证券市场中取得的收入包括( )。

A．买卖股票、债券的减价收入

B．债券的利息收入

C．股票的股息红利收入

D．其他收入

集贸市场内的营业照明用电应当与动力、消防用电（）。

A、共同设置

B、共用回路

C、分开设置

D、共用电源