兽医卫生监督检验机构可以根据情节，对违反兽医卫生法律法规和行政规章的当事人，采取以下

用电场线能很直观、很方便地比较电场中各点的强弱．如图，左边是等量异种点电荷形成电场的电场线，右边是场中的一些点：O是电荷连线的中点，E、F是连线中垂线上相对O对称的两点，B、C和A、D也相对O对称．则（　　）

A．B、C两点场强大小和方向都相同

B．A、D两点场强大小相等，方向相反

C．E、O、F三点比较，O的场强最强

D．B、O、C三点比较，O点场强最弱

肩关节前脱位常见的类型有（）

A.喙突下型

B.肩胛骨下型

C.盂下型

D.肩峰下型

E.锁骨下型

经济规律的客观性是指（）

A．人们在经济规律面前无能为力

B．它不以人们的意志为转移

C．人们不能认识它

D．人们不能利用它

试论艺术创造的主要心理因素。

Bob wishes to buy a sports car. Bob’s father, Andrew, promises to Bob that he will pay for any car Bob chooses up to the amount of EUR 20,000. Catherine, who is a car-dealer, reassures Bob that the second-hand Corvette which is on sale in her show room is only six years old. Bob agrees with Catherine to buy the Corvette for EUR 20,000 which Bob promises shall be paid to Catherine by Andrew. Bob takes the car but Andrew refuses to pay any amount to Catherine. Bob later discovers that his newly bought Corvette is in fact 10 years old.Required:Advise Andrew, Bob and Catherine as to their legal rights and obligations in the above scenario. (10 marks)