第12题:[单选题] ______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker. A.What; whom B.What; whose C.It; whose D.As; whom 参考答案:A
第15题: [单项选择]模型是现实世界的抽象或近似，主要包括叙述型、物理型、图解型和数学型等。无论开发何种模型， (12) 都是最关键的因素。 A. 经济性 B. 简单性 C. 灵活性 D. 准确性 参考答案:D 答案解析:[解析] 模型是现实世界的抽象或近似，其最关键的因素就是准确性，也就是说，要使模型尽量准确地反映现实世界的实际情况。
What does the man mean（ ）. A. He lent his notes to a classmate. B. He forgot to borrow the notes. C. He doesn’t have an exam. D. He left his notes in class. 参考答案:A
第34题: [单项选择]职能管理机构又被称为（） A. 直线机构 B. 参谋机构 C. 业务经营机构 D. 领导决策机构 参考答案:B
