设计策划要形成文件，通常以( )的形式表示，并作为设计管理和监理的重要文件。
A．设计计划
B．设计任务书
C．设计说明
D．设计纲要
参考答案：A
I often wrote to him in the past, but he never _____ to any of my letters. [ ]
A. reached
B. realized
C. replied
D. refused
He had to give up his job ___________his illness.
A. because B. because of C. instead of
