一般斑秃需多长时间可以进入恢复期()
A.1~3个月
B.3~4个月
C.4~6个月
D.6~9个月
参考答案:B
We went to the Shaolin Temple last weekend, _____, not surprisingly, was crowded with visitors from all
over the world.[ ]
A. where
B. which
C. that
D. when
《建设项目竣工环境保护验收技术规范 火力发电厂》(HJ/T 255—2006)中规定,该标准适用于单台出力在( )以上除层燃炉和抛煤机炉以外的火电厂锅炉。
A.45 t/h B.55 t/h C.65 t/h D.75 t/h