题目

Modern man has cleared the forests for farmland and for wood,and has also carelessly burned them. More than that,though,he has also interfered （干涉） with the invisible bonds between the living things in the forests. There are many examples of this kind of destruction. The harmfulness of man’s interference can be seen in what happened many years ago in the forest of the Kaibab plateau （凯亚巴布高原） of northern Arizona. Man tried to improve on the natural web of forest life and destroyed it instead. The Kaibab had a storybook forest of largesized pine,Douglas fir,white fir,bl读辽中南地区图，回答下列问题。 （1）在图中相应位置上，填出本区工业城市的代号。A．鞍山B．本溪C．沈阳D．大连E．辽阳   （2）本区有丰富的         、         、         等矿产资源。    （3）本区的工业以      （重、轻）工业为主。（4）本区水陆交通便利，有重要的港口         ；①为         河；②为        海；③为        海。