1．2011•江苏高考teachers have to constantly update their knowledge in order to maintain their professional________.
a. consequence b. independence c. competence d. intelligence
解析：句意：老师们必须不断地更新他们的知识以保持专业技能。consequence“结果，后果”；independence“独立，自主”；competence“能力，技能”；intelligence“智力，智慧”。答案：c
2．2011•山东高考there"s a ________ in our office that when it"s somebody"s birthday, they bring in a cake for us all to share. a. tradition b. balance c. concern d. relationship
解析：tradition“传统，惯例”；balance“天平，平衡”；concern“关心，挂念”；relationship“关系”。句意：在我们办公室里有一个传统，有人过生日，他们就会拿蛋糕与众人分享。根据句意a项正确。答案：a
