一般情况下,井底通常是裸眼井段最薄弱的部分。()
参考答案:错
解析:
标准答案:一般情况下,套管鞋处通常是裸眼井段最薄弱的部分。
Jack is a ________. He works in a bank. People can get money from him.[ ]
A. waiter
B. bank clerk
C. policeman
D. doctor