47. The main purpose of this reading is _____.
(A) to tell people about the benefits of placebo sleep
(B) to show the negative effects of placebo sleep
(C) to persuade people to take placebo drugs
(D) to let people know about the placebo drugs.

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統計： A(61), B(17), C(9), D(37), E(0) #566766

詳解 (共 1 筆)

#1218438

 The phenomenon, called placebo sleep, involves telling people that they have got a good sleep even when they haven’t. People who weretold they got a good night’s sleep function better at workthan those who thought they slept poorly.

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