求教：关于each...

ysl246 · 发表于 2007-7-19 15:49:00

52. While all states face similar industrial waste problems, the predominating industries and the regulatory environment of the states obviously determines the types and amounts of waste produced, as well as the cost of disposal.

(A) all states face similar industrial waste problems, the predominating industries and the regulatory environment of the states obviously determines

(B) each state faces a similar industrial waste problem, their predominant industries and regulatory environment obviously determine

(C) all states face a similar industrial waste problem; their predominating industries and regulatory environment obviously determines

(D) each state faces similar industrial waste problems, the predominant industries and the regulatory environment of each state obviously determines （E）

(E) all states face similar industrial waste problems, the predominant industries and the regulatory environment of each state obviously determine

答案是E，没问题。有个问题是，B中前面用each，后面用their可以么？

[此贴子已经被作者于2007-7-19 15:49:38编辑过]

cakemouse · 发表于 2007-7-19 18:23:00

不可以.each指单数.

Win2G · 发表于 2007-7-19 18:44:00

each 和 their虽然能满足while subordinate clause, main clause的对比，个体与整体，但是their无指代对象。

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求教：关于each...