69. A report by the
uncontrolled dioxins to which North Americans are
exposed comes from the incineration of wastes.
(A) much of the currently uncontrolled dioxins to which North Americans are exposed comes
(B) much of the currently uncontrolled dioxins that North Americans are exposed to come
(C) much of the dioxins that are currently uncontrolled and that North Americans are exposed to comes
(D) many of the dioxins that are currently uncontrolled and North Americans are exposed to come
(E) many of the currently uncontrolled dioxins to which North Americans are exposed come
我查了朗文字典,dioxin的解释是不可数名词,没有可数的解释,可是为什么这道题是可数名词,怎么解释?
我的理解是
这题明确给出了 dioxins ,所以考点不是 dioxin是不是可数名词, 而是 dioxins究竟是专有名词,还是复数形式的问题,就像那个cirtus一样。
至于dioxin,可能用来泛指二噁英的时候是不可数,而确指时应该是可数的,毕竟二噁英有很多很多种。。
谢谢.from Encarta: di·ox·in [ dī óksin ] |
noun |
Definition: |
toxic chemical: a heterocyclic hydrocarbon that is a carcinogen and toxic environmental pollutant. Source: byproduct of combustion processes, manufacture of herbicides and bactericides, chlorine bleaching of paper. |
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