2. 外语
  3. An ecosystem is defined as an ecological community together with its environment, functioning as a unit. To be more【C1】______an

An ecosystem is defined as an ecological community together with its environment, functioning as a unit. To be more【C1】______an

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问题     An ecosystem is defined as an ecological community together with its environment, functioning as a unit. To be more【C1】______an ecosystem is a complex set of relationships among the living resources, 【C2】______and residents of an area, composed of organisms that work together to remain healthy【C3】______energy is exchanged and system-level processes emerge. The ecosystem serves as the level of biological organization in which organisms【C4】______simultaneously with each other and with their environment. As such, ecosystems are a level above that of the ecological community but are at a level below the 【C5】______, which is essentially the largest of all possible ecosystems.
    The thing about ecosystems is that they are 【C6】______ fragile and intensely complicated. If you influence the smallest variable, then it changes the 【C7】______This is why global warming is such a big issue, 【C8】______whether we created it or not. Ecosystems will change; however, if they change radically enough, our way of life will forever be affected. It is sad to think that future generations will not have the【C9】______of witnessing these little creatures as we have in our lifetime. You have to go to preservations to witness the wildlife that【C10】______be an everyday occurrence.
【C6】
选项 A、concisely
B、inherently
C、robustly
D、industriously
答案B
解析 concisely：简明地，简单扼要地；inherently：固有地，天然，天生；robustly：健壮地，健康地；industriously：勤奋地。空白处后面的词是fragile(脆弱的，易碎的)，选择inherently符合逻辑。
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