比赛之前发生的；D项在丹佛的这次比赛中未提到。

3. 答案　B

解析　判断推理题。根据文章最后一段可知：虽然艾希莉和她的小狗Napoleon还不够资格参加"Dog Olympics"，也就是the Purina Pro Plan Incredible Dog Challenge，但是会继续努力的(that won't stop Napoleon and Ashley from pressing on)。故B项正确。其它各项表述均有误。

4. 答案　A

解析　主旨大意题。本文主要讲述了一种新的体育娱乐运动dog diving。文中很大篇幅提到Ashley和Napoleon更多是为了以此为例介绍这种运动的参与方式、原则等内容。C项"合作至关重要"，D项"角逐第一名"均不符合本文所讲述的内容。

　　(原创)It's often been suggested that the CEOs of the Fortune 500 are of above­average height. Tall people make an average of $789 per inch per year (for every inch above a person of average height) and this has been shown repeatedly in salary survey studies over 50 years in both the U. K. and the U. S.

　　A great number of studies show that when bosses are given resumes(履历)of two employees, there's about a 70% chance that bosses will pick the taller person for the job. In follow­up studies where the managers were asked to rate(评估)the employees coming in to the job, they gave good opinions to the tall people. All of these show that tall people have advantages over short ones in job­hunting and during work time.

One reason tall people are successful is that they are very memorable. It is clear that when a tall person walks in the room, everyone in the room takes a look at him/her, because millions of years ago the biggest person was either going to be a protection or a threat. Being memorable is a major advantage if you're doing great work, but it's a double­edged sword(双刃剑): If your work is awful, everyone is going to know it; they won't forget.