Stephen Crane s novel______relates the story of a good woman s down fall and destruction in a slum environment.
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O. Henry s______is a very moving story of a young couple who sell their best possessions in order to get money for a Christmas present for each other.
心理健康的意义是
A. 能有效增进身体健康
B. 有助于个人不断适应环境和适应现代社会
C. 有助于个人潜能的发挥及学习、工作效率的提高
D. 上述三个方面的总和
听觉感受器是（）
A. 耳蜗
B. 前庭
C. 半规管
D. 以上都是
______is the pioneer who wrote in the naturalistic tradition.
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