井底压力是指井眼内（）作用于井底的总压力。
A、各种压力
B、抽汲压力和激动压力
C、岩屑引起的静液压力
D、液柱压力
参考答案：A
________ with others easily will be harmful to your health, so keep a goodtempered character all the time please. [ ]
A. To be annoyed
B. Being annoyed
C. To be pleased
D. Being satisfied
肇事一方驾驶人有饮酒、服用国家管制的精神药品或者麻醉药品嫌疑的，应立即报警。
