This is the house______we wrote to you.
A. that
B. which
C. about that
D. about which
查看答案
【C9】
A. ever since
B. no wonder
C. in all
D. so far
【C20】
A. behind
B. after
C. away
D. apart
【C17】
A. conventional
B. common
C. general
D. normal
有关城市燃气管网布置原则的表述,说法错误的是()
A. 应结合城市总体规划和有关专业规划进行
B. 应减少穿、跨越河流、水域、铁路等工程,以减少投资
C. 管网规划布线应贯彻“远近结合,以远期为主”的方针
D. 为确保供气可靠,一般各级管线应沿路布置