Mary found her bike _________ she lost a week ago.[ ]
A. who
B. where
C. what
D. which
答案:D
The light in the room wasn’t _______for me to read.
A.enough bright
B.brightly enough
C.enough brightly
D.bright enough
高层建筑采暖管道安装工艺流程为:安装准备→预制加工→卡架安装→干管安装→立管安装→支管安装→采暖器具安装→()→调试。
A.冲洗→防腐→试压→保温
B.试压→防腐→保温→冲洗
C.试压→冲洗→防腐→保温
D.冲洗→试压→保温→防腐