211. Chroniclow-level leaking and the routine discharge of drilling mud and mineral salts present considerable environmental risk during offshore oildrilling. (A)Chronic low-level leaking and the routine discharge of drilling mud and mineralsalts present considerable environmental risk during offshore oil drilling. (B) The reasonoffshore oil drilling presents a considerably environmental risk is because ofchronic low-level leaking and the routine discharge of drilling mud and mineralsalts. (C) A considerablerisk to the environment is presented during offshore oil drilling, wherelow-level leaks are chronic and the routinedischarge of mud and mineral salts. (D) Offshore oildrilling presents a considerable risk to the environment due to the fact ofchronic low-level leaks, and mud and mineral salts are routinely discharged.(A) (E) Chroniclow-level leaking, along with the routine discharge of drilling mud and mineralsalts, are what make offshore oil drilling environmentally risky.
答案是a。bcde都有错,排除。但是a也被我排除了。因为我觉得environmental risk 有问题啊,不是环境的风险,而应该是给环境带来的风险啊A considerable risk to the environment
这个问题很龟毛啊,但是还是跪求大神解答!谢谢了!!
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