gwd 31-37 ( tn 21-37 )

In 1994 the white house named Dr RuthR. Faden chairperson of the federal advisory committee of experts they assigned to do a report on the history and ethics of the government’s radiation experiments on humans in the 1950’s and 1960’s .

A.       they assigned to do

B.       to be assigned doing

C.       that was being assigned doing

D.      assigned for doing

E.       it assigned to do

TN 24 给的答案是E. 大惑不解.

把原句简化: the white house named Dr. RF chairperson.

后面 they assigned to do a report on the history and ethics of the government’s radiation experiments on humans in the 1950’s and 1960’s  应该是experts的定语才对.

E里面的it貌似多余.

个人认为选D.

我觉得选A to do 表目的，比ｆｏｒ　ｄｏｉｎｇ　常用