电然电位曲线可用来划分岩性，确定渗透层和估算地层泥质含量。
参考答案：对
律诗的四联依次是首联、______、颈联和尾联。
判断语句表述是(√)否(×)正确。
( ) 1. Please jump on the train. The train is not ready.
( ) 2. Don't talk loudly. I'm going to bed.
( ) 3. Mother and I are going on a trip. We need two tickets.
( ) 4. I'm going to the train station to buy airplane tickets.
