42．D 细节理解题。从文章第三段的One April Fool's Day, when I was in high school, a group of students in my class played a very clever and funny trick on the teachers.和下一段的内容可看出答案。
43．B 细节理解题。从文章倒数第二段的After a few hours, they realized that the students had played another joke on them: There were only four chickens in the first place！可知答案。
44．A 主旨大意题。文章讲述了作者在高中学习时期一次难忘的愚人节经历。文章的最后一段It's been a long time since I was in high school, but that April Fool's Day remains one of my favorite memories from those years.是对全文的总结。
