有研究者欲分析白酒的平均销售量与肝癌的死亡率之间的关系，收集了1998年全国20个大

已知f(x)为奇函数,g(x)=f(x)+9,g(-2)=3,则f(2)=　　　.

下列选项中，______不属于电子商务系统中社会保障子系统的内容。

A．税收政策

B．法律法规

C．企业的规章制度

D．个人的消费习惯

MIDI enables people to use (11) computers and electronic musical instruments. There are actually three components to MIDI, the communications " (12) ", the Hardware Interface and a distribution (13) called "Standard MIDI Files" . In the context of the WWW, the most interesting component is the (14) Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol (15) are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.

A．personal

B．electronic

C．multimedia

D．network

男性，19岁，恶心、呕吐2天，嗜睡、乏力。尿酮体（±），尿糖（++++），血糖29．5mmol／L，血钠140mmol／L，BUN14．2mmol／L，血浆渗透压315mmol／L

已接受小剂量胰岛素治疗，尿量较多，饮食差，可能合并（）

A.低钾血症

B.低血糖

C.心衰

D.脑水肿

E.高氧

简述“钓鱼执法”行为形成的主要原因。要求：层次清晰，逻辑分明，具有合理性和可行性，字数500字左右。