[多项选择]以下说法符合《中华人民共和国矿产资源法》规定的是( )。
A. 开采矿产资源，必须遵守有关环境保护的法律规定，防止污染环境
B. 开采矿产资源，应当节约用地
C. 关闭矿山，必须提出矿山闭坑报告
D. 耕地、草原、林地因采矿受到破坏的，矿山企业应当采取复垦利用措施
E. 开采矿山资源，应当效率优先，兼顾环境

Old people are always saying that the young people are not(31) they were. The same comment is made(32) generation to generation and it is always(33) . It has never been truer than it is today. The young are better educated. They have a lot more money to spend and enjoy(34) freedom. They grow up more quickly and are not so(35) on their parents. Events which the old generation remember vividly are {{U}}(36) more than past history. This is as it should be. Every new generation is(37) from the one that preceded it. Today the difference is very marked indeed.
 The old always assume that they know best for the simple(38) that they have been(39) a bit longer. They don’t like to feel that their values are being questioned or threatened. And this is precisely what the {{U}}(40) are doing. They are questioning the assumptions of their elders and disturbing(41) complacency.
They take leave to(42) that the older generation has created the best of all possible world

Last week I was invited to a doctor’s meeting at the Ruth Hospital for incurables(无法治愈的病人). In one of the wards, a patient, an old man, got up shakily from his bed and moved towards me. I could see that he hadn’t long to live, but he came up to me and placed his fight foot close to mine on the floor.
"Frank!" I cried in astonishment. He couldn’t (36) , as I knew,but all the time (37) his foot against mine.
My (38) raced back more than thirty years--to the (39) days of 1941, when I was a student in London. The (40) was an air-raid shelter(防空洞), in which I and about a hundred other people (41) every night. Two of the (42) were Mrs. West and her sun Frank.
(43) wartime problems, we shelter-dwellers (避难者)got to (44) each other very well. Frank West (45) me because he wasn’t (46) , not even at birth. His mother told me he was 37 then, but he had (47
A. needed 
B. recognized 
C. interested 
D. encouraged