诺贝尔经济学奖获得者约瑟夫•E•斯蒂格利茨认为：全球化并没有为世界上大多数穷人服务，也没有为环境服务，更没有为全球稳定服务。约瑟夫•E•斯蒂格利茨得出这一结论的依据应该是
①全球化拉大了世界贫富差距②全球化导致全球环境进一步恶化
③全球化增加了发展中国家经济风险④全球化促进了国际资源的优化配置
This Sunday is grandpa's birthday. The Smith family are going to celebrate it at home, so they will have a busy weekend.
Saturday
Morning
Dad-clean the car in the garden
Mum-clean the kitchen and bedrooms of their house
Amy-have dance lessons in the gym
Rose--work on science projects in the library
Afternoon
Mum and Dad-buy some food at the supermarket
Amy and Rose-choose gifts and cards for grandpa
Evening
Watch TV together
Sunday
Mum---make a big birthday cake
Amy and Rose-wrap grandpa's gifts
Amy-help Mum cook delicious food
Rose-help Dad decorate the sitting room
Amy and Rose-give gifts to grandpa
The whole family-have a party
根据表格所提供信息，从每小题所给的A、B、C三个选项中，选出一个最佳答案。
已知函数f(x)=-x+13，则lim△x→0f(1-∆x)-f(1)△x的值为（ ）
