根据井控内容和控制地层压力程度的不同,井控作业通常分为()。
A、一级
B、二级
C、三级
D、以上都有
参考答案:C
小题1:After the earthquake, only few houses s________.
小题2:The family began to d___________ the Christmas tree with glass balls and lights a week ago.
小题3:They c_________ for the first prize in the race yesterday.
小题4:I’m looking for the boss who is in c_________ of your company .
小题5:It’s my great h______ to represent my school to attend the opening ceremony.
小题6: It remains unknown which country will h_________ the international tennis tournament.
小题7:He was a__________ to Beijing University, which made his family excited.
小题8:China is a country b________ to the Third World.
小题9:While many people turn to computer for news and movies, it doesn’t mean that the TV set will be r________ in the near future.
小题10:The gloves were d_________ for extremely cold weather.
资产评估报告的有效期为( )。
A.评估报告日起的1年 B.评估报告日起的2年C.评估基准日起的2年 D.评估基准日起的1年