3。讲地球板块运动对火山造成的影响，讲地球版块边缘处相互运 动导致一块的Mantle over 另一块，相互挤压导致火山。(有细节题问此原 因。) 然后讲火山处的MANTLE IS HOT POINT，且此HOT POINT 虽为固体(SOLID) ，但内压温度聚高，实与液 体无异。然后讲两种机制(Mechanism) 对VOLCONA的形成解释。
AI：
1。AI：NO。 3
“Corporations and other businesses should try to eliminate the many ranks and salary grades that classify employees according to their experience and expertise. A “flat” organizational structure is more likely to encourage collegiality and cooperation among employees.”
2。调查显示有规律的人比没规律的人去医院少把。然后SALUDA镇可以建一个well-equipped gym .so the saluda town should be able to reduce municpal employee 's medical insurance in order to 降低什么成本。
AA:
1。AA NO. 1
“Over time, the cost of processing go down because as organizations learn how to do things better, they become more efficient. In color film processing, for example, the cost of a 3-by-5 inch print fell from 50 cents for five-day……..we can expect that our long experience will enable us to minimize costs and thus maximize profits.”
