1、掌握以下单词：

·        obsessiveadj. 强迫性的；着迷的；分神的

·      compulsive/kəmˈpʌlsɪv/ adj. 强制的；强迫的

·     psychotherapy/ˌsaɪkəʊˈθerəpi/ n. 心理疗法；精神疗法

·        ritual /ˈrɪtʃuəl/ n.仪式；惯例；礼制adj. 仪式的；例行的；礼节性的

·        overwhelming/ˌoʊvərˈwelmɪŋ/ adj. 压倒性的；势不可挡的 v. 压倒，淹没，制服（overwhelm 的现在分词）

·        germ /dʒɜːm/n.[植]胚芽，萌芽；细菌vi. 萌芽

·        accumulate /əˈkjuːmjəleɪt/ vi. 累积；积聚vt. 积攒

·        neurotic /njʊəˈrɒtɪk/ adj. 神经过敏的；神经病的n. 神经病患者；神经过敏者

·        institutionalized/ˌɪnstɪˈtjuːʃənəlaɪzd/ adj. 约定俗成的，使成惯例的；有组织的；（因长期生活在福利机构）缺乏自理能力的；制度化的 v. 将（人）送到收容机构；使成为惯例；制度化（institutionalize 的过去式和过去分词）

·        housebound/ˈhaʊsbaʊnd/ adj. 不能离家的，足不出户的

·        cognitivebehavior therapy（CBT）认知行为疗法

·        responseprevention效应预防法，反应阻止法

·        anti-anxiety抗焦虑

·        antidepressant /ˌæntidɪˈpresnt/n. 抗抑郁剂 adj. 抗抑郁的

·        treatment-resistant治疗抵抗

·        contamination/kənˌtæmɪˈneɪʃn/ n. 污染，玷污；污染物

·        crooked /ˈkrʊkɪd/ adj. 弯曲的；歪的；不正当的

·        disabledadj. 残疾的，有缺陷的；（设施等）为残疾人设计的

·        traumatic /trɔːˈmætɪk/ adj. （心理）创伤的,（生理）外伤的

desensitization /diːˌsensətaɪˈzeɪʃn/ n. [免疫] 脱敏；[感光] 减感

2、重点理解下列句子：

1）Butpeople with obsessive-compulsive disorder（OCD）feel the need to check things repeatedly，orhave certain thoughts or perform routines and rituals over and over．Thethoughts and rituals associated with OCD cause distress and get in the way ofdaily life．

2）Thefrequent upsetting thoughts are called obsessions．To try to control them，aperson will feel an overwhelming urge to repeat certain rituals or behaviorscalled compulsions．People with OCD can’t control these obsessions andcompulsions．Most of the time，the rituals end up controlling them．

3）Therewere no known effective treatments，and people with severe OCD were ofteninstitutionalized or housebound．Then a type of psychotherapy called cognitivebehavior therapy（ CBT）is found especially useful for treatingOCD．It teaches a person different ways of thinking，behaving，and reacting tosituations that help him or her feel less anxious or fearful without havingobsessive thoughts or acting compulsively．

4）Antidepressantsare used to treat depression，but they are also particularly helpful forOCD，probably more so than anti-anxiety medications．They may take several weeks一 10 to 12 weeks for some 一 to start working．Some of these medications maycause side effects such as headache，nausea，or difficulty sleeping．

5）Inserious cases，a child can become disabled by fear，avoiding school，playtime andother social activities．

6）Researchhas shown that the majority of OCD patients can be treated with a combinationof drugs and cognitive behavior therapy，a form of therapy designed to put apatient face-to-face with the object of terror.