处理井喷的常用压井方法有（）、（）、（）。
参考答案：司钻法、循环加重法、等待加重法
I have been convinced that the print media are usually more___ and more reliable than television. [ ]
A. accurate
B. ridiculous
C. urgent
D. shallow
脊柱在正常情况下有（）个生理曲度。
A、5个
B、4个
C、3个
D、2个
