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 and1960's.
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37. GWD31-37
In 1994the white house named Dr RuthR. Faden
chairpersonof the federal advisory committee of
experts theyassigned to do a report on the history
andethics of the government’s radiation experiments
onhumans in the 1950’s and 1960’s .
1) they assigned to do
1) to be assigned doing
2) that was being assigned doing
3) assigned for doing
4) it assigned to do
大家说说答案吧
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i choose C,
that 定语修饰 committee。
was -- 那个时间正在做。。
assign + 工作-名词--doing a report
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