科学发展观强调“以人为本”，其哲学依据是群众是社会实践的主体，是历史的创造者。
参考答案：对
Once a decision has been made, all of us should ________ it.[ ]
A. direct to
B. stick to
C. lead to
D. refer to
振捣器必须有漏电保护装置，操作人员需穿戴绝缘手套和胶鞋。
