In 1994the white house named Dr RuthR. Faden chairperson of the federal advisorycommittee of experts they assigned to do a report on the history andethics of the government’s radiation experiments on humans in the 1950’s and 1960’s .
buyifr 发表于 2014-7-20 17:47
我在做这个道题时，根据assign to短语排除了BCD三个选项，然后再AE中徘徊，觉得句子意思是，白宫任命Dr R ...
这里的it assigned 是个宾语从句修饰 chairperson of xx of xx
it 指代的是 白宫
句子意思是 白宫任命了xx为chairperson, 并且assign 他 to do a report
technically, it是有指代不清的问题的
但是结合本句句意
只能是白宫任命了他，并且assign 他
因此it指代是ok的
参照这题。
7. As its sales of computer products have surpassed those of measuring instruments, the company has become increasingly willing to compete for the mass market sales they would in the past have conceded to rivals.
(A) they would in the past have conceded to rivals
(B) they would have conceded previously to their rivals
(C) that in the past would have been conceded previously to rivals
(D) it previously would have conceded to rivals in the past (E) it would in the past have conceded to rivals
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发表于 2014-7-20 11:56:49
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