A.Study.B.Predict.C.Ease.D.Cause.
3.We can learn from the last paragraph that ________.
A.light at night may have practical value
B.the biological clock is beneficial to humans
C.human mood disorders cannot be healed easily
D.human studies are more important than animal studies
4.What is the main idea of the passage?
A.Nighttime light may foster depression.
B.A drug has been found to cure mood disorders.
C.The study on animals can be applied to humans.
D.Human biological clock can be controlled by light.
【要点综述】光照疗法可以治疗抑郁症,但是,新的研究表明长期暴露于夜晚的灯光也可带来抑郁症,这项研究至少在动物身上得到了验证。
1.D 细节理解题。根据“Compared with mice exposed to normal nighttime darkness,those getting dim light at night lost their strong preference for sweet drinks…”可知,那些在夜晚持续接受暗淡灯光的老鼠失去了对于甜饮料的浓厚喜好,即没有那么喜欢甜饮料了,故选D项。
2.C 词义猜测题。通过原文quash前面also可以断定,quash的意思等于前面一句话的意思,即症状消失了,故选ease“缓解,减轻”。
3.A 推理判断题。根据最后一句可知,灯光可以影响生物钟,生物钟的改变可以影响行为,故选择A项。
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