链条葫芦应定期加润滑油,但严防油渗进摩擦片内部而失去自锁作用。
参考答案:对
An analyst meets with a new client. During the meeting, the analyst sees that the new client’s portfolio is heavily invested in one over-the-counter stock. The analyst has been following the stock and thinks it will perform well in the long run. The analyst arranges through a brokerage firm to simultaneously sell a large number of shares of the stock via a series of cross trades from the new client’s portfolio to various existing clients. He arranges the trades to be executed at a price that approximates the current market price. This action is:()
A. not in violation of the Standards.
B. a violation of Standard Ⅲ (A), Loyalty, Prudence, and Care.
C. a violation of Standard Ⅲ (B), Fair Dealing.
( )是负责施工安全工作的组织系统,一般包括最高权力机构、专职管理机构的设置和专兼职安全管理人员的配备。
A.施工安全的组织保证体系B.施工安全的制度保证体系C.施工安全的技术保证体系D.施工安全投入保证体系