湿式石灰石-石膏法其脱硫率高,可达()以上。
A.80%
B.85%
C.95%
D.90%
参考答案:C
To his surprise, the lifestyle he was used to ______ greatly in the past few years.
A.change
B.changing
C.changed
D.has changed
高处作业地点、各层平台、走道及脚手架上堆放的物件不得超过允许(),施工用料应随用随吊。禁止在脚手架上使用临时物体(箱子、桶、板等)作为补充台架。