题目

Waiting For YouHarvard Art Museums, 32 Quincy Street Cambridge MA(1) Art Study Center Open HoursThrough December 21, the Art Study Center will hold special open hours on Mondays, from 1 pm to 4 pm. The Art Study Center is located on Level 4. Please be prepared to present a photo ID. The workers will charge you 25 cents for access. Level 4 will check bags, coats, umbrellas, and any food or drink. Do remember to put things in the lockers on Level 1.(2) Student Guide TourThese tours, designed and led by Harvard students from a range of scientific groups, focus on animals and plant life. They prov（1）如图所示的转盘中指针落在每个数字上的机会相等，现同时转动A、B两转盘，停止后，指针各指向一个数字．小彬和小颖利用这个转盘做游戏：若两数之积为非负数则小彬胜，否则，小颖胜．你认为这个游戏对双方公平吗？______（直接写出结果）（2）小明在操场上做游戏，他发现地上有一个不规则的封闭图形ABC．为了知道它的面积，小明在封闭图形内划出了一个半径为1米的圆，在不远处向圈内掷石子，且记录如下：掷石子次数石子落在的区域 50次 150次 300次石子落在 14 43 93石子落在阴影内的次数n 19 85 186你能否求出封闭图形ABC的面积试试看．