题目

Not long ago, I arrived at a meeting earlier. So I walked into a room, and there I saw some volunteers were busy with handouts（手册）of the meeting. I went over and asked if I could _________. Seeing I was lame（跛足的）, one of the ladies _________ said, “Oh, no, thank you.” and offered me a chair to just sit while they _________.Then, _________ volunteer came into the room, saw me _________ there doing nothing and said, Hey, young man, came on over there. There's work to do, and you can help. He put two chairs together, placed two stacks（叠）of handouts and _________ me, OK西北通道是指从北大西洋经加拿大北极群岛进入北冰洋，再进入太平洋的航道。以往因受冰封影响，航运有限，但依2007年的观测，西北通道有望未来实现通航。结合下图回答10~11题。 20080901   10．如果西北通道进入大规模商业运营阶段，下列国家经济受冲击最大的是           （    ）     A．丹麦                   B．日本                   C．加拿大                    D．巴拿马 11．根据北冰洋海冰的变化趋势预测，阿拉斯加未来可能出现的变化是                  （    ）     A．森林火险等级下降                        B．土地开发利用价值下降     C．小麦种植面积大幅度增加              D．落叶灌木林的面积增加