1 . 不管有多大的挑战，为了给妹妹赢一双新鞋，阿里(Ali)决定参加跑步比赛。尽管在比赛中意外摔倒，阿里还是跳了起来，冲向终点线。至于结果，阿里赢得了三等奖，获得了新鞋，像鸟儿一样飞奔回家。
________ ，Ali was determined to take part in the running race to win a new pair of shoes for his sister. ________，Ali jumped to his feet and dashed towards the finish line. ________，Ali won the third prize，got the new shoes，and flew to his home like a bird.

2 . Sociology seems to be saying that those who have wealth and do well do so _________ the poor unfortunate.

A．on top of

B．with regard to

C．at the expense of

D．on account of

3 . 对于幸福我们通常有什么误解吗？
What are the misunderstandings that we usually have ______________ happiness?