第33题: [单项选择]PowerDesigner所包含模块中,用于数据库设计和构造的模块是: A. PowerDesigner AppModeler B. PowerDesigner DataArchitect C. PowerDesigner MetaWorks D. PowerDesigner WarehouseArchitect 参考答案:B 答案解析:Power Designer DateArchitect用于数据库设计和构造,PowerDesigner AppModeler用于物理数据库的设计和应用对象及数据组件的生成,PowerDesigner
第39题: [单项选择]Having finished their morning work, the clerks stood up behind their desks, ______ themselves. A. expanding B. stretching C. prolonging D. extending 参考答案:B 答案解析:stretch oneself伸懒腰,伸展身体;expand伸开,展开;prolong延长(时间);extend伸长。句意:做完了上午的工作;职员们从桌子后面站起来,伸展伸展身体。