水电安装工方案.ppt

Threatened Polar Bears; On Thin Ice The Arctic territory where polar bears roam is literally melting out from under them. By?Felicity Barringer and Andrew C. Revkin;The Interior Department proposed to designate polar bears as a threatened species, saying that the accelerating loss of the Arctic ice that is the bears’ hunting platform has led biologists to believe that bear populations will decline, perhaps sharply, in the coming decades. The Interior Department:内政部 Propose: v propose to someone 向某人求婚 ? propose a toast 敬酒；举杯 propose to do 建议做... proposal? n. 提议，建议；求婚;The Interior Department proposed to designate polar bears as a threatened species, saying that the accelerating loss of the Arctic ice that is the bears’ hunting platform has led biologists to believe that bear populations will decline, perhaps sharply, in the coming decades. designate: vt. 指定；指派；标出；把…定名为 adj. 指定的；选定的 designate A as B: 指定A为B accelerate: vt 加速 accelerate economic/economical speed Arctic：北极圈;北极的 Antarctic sharply：急剧地 ;The Interior Department proposed to designate polar bears as a threatened species, saying that the accelerating loss of the Arctic ice that is the bears’ hunting platform has led biologists to believe that bear populations will decline, perhaps sharply, in the coming decades. 非谓语 The students went out of the hall, smiling and speaking. ;The Interior Department proposed to designate polar bears as a threatened species, saying that the accelerating loss of the Arctic ice that is the bears’ hunting platform has led biologists to believe that bear populations will decline, perhaps sharply, in the coming decades. The Interior Department proposed to designate polar bears as a threatened species--主句 Saying：非谓语 Saying that the accelerating loss of the Arctic ice that is the bears’ hunting platform has led biologists to believe that bear populations will decline, perhaps sharply, in the coming decades. (that 引导宾语从句，作say的宾语) the accelerating loss of the