[解析]
(1)C.细节理解题.根据文章第二段But I was on a budget.I didn't want to rent a ear in Mexico or take a bus to Valle de Bravo,the starting point for most butterfly adventures,so I called the guys at the Muddy Boot但我手头拮据,我不想在墨西哥租房,也不想坐车去布拉沃山谷,那里是大多数蝴蝶探险的起点,所以我打电话给泥靴店的人.可知作者选择乘坐泥泞的布特面包车是因为她想节省点钱,故选C.
(2)A.推理判断题.根据文章第四段The first sanctuary(保护区)I visited was Piedra Herrada,a popular destination,as it is only 40 minutes away from Valle de Bravo.The climb up is tiring我参观的第一个圣地是Piedra Herrada,一个很受欢迎的目的地,因为它离布拉沃山谷只有40分钟的路程,爬上去很累.可知Piedra Herrada处于高海拔处,故选A.
(3)D.推理判断题.根据文章第五段The walk is more than worth it,though.As I struggled to catch my breath,I looked up and lost my breath again.At first glance,the trees had turned into different shapes,but on closer inspection,every inch of them was covered with butterflies.不过,这趟步行实在是太值得了.当我努力喘口气时,我抬起头来,又喘不过气来.乍一看,这些树已经变成了不同的形状,但仔细观察,每一寸树都布满了蝴蝶.可知看到蝴蝶迁徙使作者的徒步旅行值得,故选D.
(4)C.文章出处题.根据文章第三段And so,on January 2,I found myself in the Muddy Boot van(货车),being driven two hours from Mexico City to Valle de Bravo所以,在1月2日,我发现自己坐在一辆泥泞的布特面包车里,从墨西哥城开车两个小时到布拉沃山谷.可知文章是一篇旅行日记,故选C.