井眼周围地层岩石的受力状况包括（）、（）、（）和（）。
参考答案：上覆岩石压力；岩石内孔隙流体压力；水平地应力；钻井液液柱压力
从方框中选择合适的句子补全对话。
Students：Good afternoon, Miss Jiang.
Teacher：小题1: Today, we’ll talk about a new bird flu. It has hit some Chinese cities.
小题1:
Monitor：小题2:
小题2:
Teacher：Yes, it is. It’s reported that about 35 people have been ill.
Monitor： 小题3: .
小题3:
Teacher：We should keep away from animals. And we should wash our hands correctly.
Monitor： 小题4:
小题4:
Teacher：It should take at least 20 seconds each time. 小题5: See a doctor at once if you have a high fever or have trouble breathing.
小题5:
采掘区队长常用的矿图主要有什么？
