统计岩石质量指标RQD应采用()直径双层岩心管金刚石钻头采取的岩心?
A.66mm
B.75mm
C.91mm
D.110mm
参考答案：B
The Summer Palace is really beautiful. In fact, I doubt whether China has ______ park.. [ ]
A. a more beautiful
B. a most beautiful
C. the most beautiful
D. a beautiful
对副团职干部党员给予党内警告，由（）批准。
A、总队级党委
B、总队级纪委
C、支队级党委
D、支队级纪委
