列车冒进信号或越过警冲标，未造成其他影响和损失的铁路交通事故，列为（）事故。 A.一

下列四种说法；①为了了解某批灯泡的使用寿命可以用普查的方式；②“在同一年出生的367名学生中，至少有两人的生日是同一天”是必然事件；③“打开电视机，正在播放少儿节目”是随机事件；④如果一个事件发生的概率只有十亿分之一，那么它是不可能事件．其中，正确的说法是（　　）

A．②④

B．①②

C．③④

D．②③

以下程序中函数fun的功能是：构成一个如图所示的带头结点的单向链表,在结点的数据域中放入了具有两个字符的字符串。函数disp的功能是显示输出该单链表中所有结点中的字符串。请填空完成函数disp。#includetypedef struct node／*链表结点结构*／{char sub[3]；struct node * next； }Node； Node fun(char S) ／*建立链表*／ { ……} void disp(Node *h){Node*P；P=h->next；while(【 】){printf("％s＼n",P->sub)；P=【 】； }}main(){Node *hd；hd=fun()；disp(hd)；prinff("＼n")； }

Sam is the sole selling agent for Toyota motor cars in Lesotho. He runs his business under the name of Sam Toyota (Pvt) Ltd (Sam Toyota). On 4 October 2009, Sam placed a large label on the windscreen of one Toyota Corolla indicating its sale price to be R11,000 by mistake, when its real price was R110,000.Thabo noticed the sign on 5 October and recognising what a bargain it was immediately told Sam that he accepted the offer and would take the Toyota for R11,000 then and there. However, Sam refused to sell the car to Thabo saying the labelled price was a mistake and the correct price was R110,000. Thabo told Sam that he could not do this and that he was entitled to buy the car for R11,000 and he would sue him if he still refused. After Thabo left, Sam changed the price on the car to R110,000.A bit later, Edward came to the showroom. He liked the car and was willing to pay R110,000 but told Sam he needed a week’s time to arrange bank finance.On 6 October, David came to the showroom. He liked the car and paid with a bank guaranteed cheque for R110,000, and drove the car away.Required:Analyse the scenario from the perspective of the law of contract, and

(b) Advise Edward. (5 marks)

依据《工伤保险条例》的规定，享有工伤保险权利的主体是（）。

A.职工、雇工

B.职工、雇工及其雇主

C.用人单位

D.用人单位、职工

利用中间件Middleware的高层【 】可以将底层网络协议与实现技术隔离开来，使 得程序员可以将精力集中在应用软件编程上。