66.Where you put up wallpaper,should you ______ the edges or put them next to each other?

　　A.coincide 全部重叠 (100张粘到一块 跟门一样厚)

　　B.extend (一张墙纸拉伸铺一个屋子)

　　C.overlap

　　D.collide

　　67.Under the present system, state enterprises must allprofits to the government.

　　A.turn down 拒绝 拒不理会

　　B.turn up 上涨 升值

　　C.turn out 证明 赶走

　　D.turn in 上缴 交还

　　68.Oilcompanies in the U.S are already beginning to feel the pressure .Refinery workers and petroleum manufacturing employees are being _______ .

　　A.laid out 安排计划展开

　　B.laid off 裁员

　　C.laid down 制定政策

　　D.laid aside 存储 留存