水泥混凝土路面的横向缩缝采用()。
A.假缝
B.平缝
C.施工缝
D.工作缝
参考答案:A
Nancy is really a hard-working student. We often see her _______ books in the classroom.[ ]
A. read
B. to read
C. reads
能耗监测系统数据采集时间步长应不超过()。
A.1分钟
B.15分钟
C.1小时
D.1天