阿摩線上測驗
8. In the experiment, half of the participants were given actual medicine, while the
other half a ______.
(A) placebo
(B) panacea
(C) caveat
(D) cynosure
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統計： A(21), B(4), C(4), D(3), E(0) #3109981
統計： A(21), B(4), C(4), D(3), E(0) #3109981
