The book was written in ______easy English ______even primary school students could understand it.

A．so; that

B．such; that

C．too; to

D．very; that

国际上一般把项目定义为“一种( )的、创造一项唯一产品和服务的任务”。

A．临时性

B．一次性

C．有时间性

D．强调实用性