Maryland University currently does not allow students to keep pets in their dorm rooms. __1__ are made only for service animals such as guide dogs and hearing dogs. These __2__ dogs provide services that benefit their student owners. But other kinds of pets can be __3__ to students too. Pets should be allowed to live in the dorms because they can help students __4__ stress and learn responsibility. 1. A. Expectations B. Exceptions C. Exclusions D. Exemptions 2. A. working B. serving C. employing D. training 3. A. harmful B. useless C. beneficial D. natural 4. A. decrease B. drop C. cut D. reduce 【答案详解】 1.B 词义辨析。expectation“期待；预期；指望”；exception“例外；异议”；exclusion“排除；排斥；驱逐；被排除在外的事物”；exemption“免除，豁免；免税”。由空格前“does not allow students to keep pets in their dorm rooms不允许学生在自己的宿舍里养宠物”的对应知这里指代“为导盲犬和助听犬等服务型的动物破例”；再由固定搭配make an exception for sth.为……破例”知B项正确。 2.A 词义辨析。working“工作的；操作的；可行的”；serving“用于上菜的”；employing为动词employ“使用，采用；雇用”的现在分词形式；training为动词train“培养；训练”的现在分词形式。由空格前“guide dogs and hearing dogs导盲犬和助听犬”的对应知这里指代“这些工作犬”；故A项“工作的”正确。 3.C 词义辨析。harmful“有害的；能造成损害的”；useless“无用的；无效的”；beneficial“有益的，有利的”；natural“自然的；天生的”。由空格前“benefit their student owners让它们的学生拥有者受益”的对应知这里指代“但是其它种类的宠物也可以是对学生有益的”；故C项“有益的”正确。 4.D 词义辨析。decrease“减少；减小”；drop“使降低；放弃”；cut“切割；削减”；reduce“减少；降低；减轻”。由空格后“learn responsibility学会责任”的对应知这里指代“减轻压力”；故D项“减轻”正确。
