解析库 > 考满分独家2020年GRE全科真题模考题
Some critics claim that because medical journals receive (i) _____________ selection of findings from clinical trials--mainly those trials that show (ii) _____________ results for the drugs being tested--readers of those journals believe that some medications are more(iii) _____________ than they really are, even when those medications are little more than placebos.
- a heterogeneous
- an unpredictable
- a winnowed
a winnowed , positive , effective 显示答案