2017年6月英语四级阅读答案：试卷一仔细阅读2（新东方版）
第二篇:有效戒烟Text 2
51.B) She succeeded in quitting smoking abruptly.
52.D) They were offered nicotine replacements.
53.C) It is encouraging.
54.C) requires a lot of patience.
55.A) They find it even more difficult.
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