2. 职称英语
  3. Extinction is difficult concept to grasp. It is an【B1】______concept. It’s no

Extinction is difficult concept to grasp. It is an【B1】______concept. It’s no

游客2023-08-20  17
问题     Extinction is difficult concept to grasp. It is an【B1】______concept. It’s not at all like the killing of individual lifeforms that can be renewed through normal processes of reproduction. Nor is it simply【B2】______numbers. Nor is it damage that can somehow be remedied or for which some substitute can be found. Nor is it something that simply affects our own generation. Nor is it something that could be remedied by some supernatural power. It is rather an【B3】______and final act for which there is no remedy on earth or in heaven. A species once extinct is gone forever. However many generations【B4】______us in coming centuries, none of them will ever see this species that we extinguish.
    Not only are we bringing about the extinction of life【B5】______, we are also making the land and the air and the sea so toxic that the very conditions of life are being destroyed.【B6】______basic natural resources, not only are the nonrenewable resources being【B7】______in a frenzy(疯狂)of processing, consuming, and【B8】______, but we are also ruining much of our renewable resources, such as the very soil itself on which terrestrial(地球上的)life depends.
    The change that is taking place on the earth and in our minds is one of the greatest changes ever to take place in human affairs, perhaps the greatest, since what we are talking about is not simply another historical change or cultural【B9】______, but a change of geological and biological as well as psychological order of【B10】______. [br] 【B7】
选项
答案 used up
解析 空格位于句子的谓语部分，与are…being连在一起构成现在进行时的被动语态，表示“正在被……”，因此应该填入动词或动词词组。由but we are also ruining可知，此处要表达的意思是：我们正在以疯狂的速度和手段将自然界中不可再生的资源消耗殆尽。used up意为“用光，消耗光”。注意使用动词的过去分词形式。
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