题目

阅读理解In the trailer(拖车式房屋), Sischo was refreshing thesnails'(蜗牛)accommodations--an ongoing routine that takes days of careful work.He had found a dozen of Achatinella bulimoides--a third of the world's populationof the species. Once every individual was accounted for, he cleaned the cage andpacked in new leaves. The work took much trouble, but the responsibility, he said,was like a heavy weight sitting on you. The trailer is very vulnerable.It's designed to keep away would-be thieved, and to resist hurricanes. But a firecould easily destroy it, or a disease could sweep th函数y=3sin22x+1在点(π,1)处的切线方程是___________.