压力梯度是指（）压力的增加值。A、某一深度 B、套管鞋深度 C、单位井深 D、单位垂 发布时间：2017-07-30 06:18 │ 来源：www.tikuol.com 题型：单项选择题 问题： 压力梯度是指（）压力的增加值。A、某一深度B、套管鞋深度C、单位井深D、单位垂直深度
题型：单项选择题 完形填空。 One day an old man went into a cafeteria (自助餐厅) to eat in America for the first time. He sat down at a table and __1__ for someone to take his order. Of course, __2__ did. Finally, a woman with a plate full of food sat down opposite him and told him __3__ a cafeteria worked. "Start out at that end," she said. "Just go along the line and __4__ what you want. At the other end, they'll tell you how much you have to__5__ ." "I soon learned that's how everything __6__ in the US," the old man later told a friend. "Life is a cafeteria here. You can get anything you want __7__ you are willing to pay the price. You can even get success, but you'll never get it if you wait for someone to __8__ it to you. You have to get up and get it yourself." In fact, __9__ everywhere is like a cafeteria. Don't wait for things to happen to you. Success lies in your own __10__ .( ) 1. A. asked ( ) 2. A. somebody ( ) 3. A. how ( ) 4. A. send out ( ) 5. A. buy ( ) 6. A. works ( ) 7. A. if ( ) 8. A. carry ( ) 9. A. food ( ) 10. A. work B. left B. everybody B. what B. give out B. pay B. takes B. because B. lend B. life B. hands C. called C. nobody C. where C. pick out C. give C. needs C. though C. move C. money C. opinion D. waited D. anybody D. why D. look out D. choose D. keeps D. until D. bring D. success D. books 查看答案
题型：单项选择题 企业在其格式劳动合同中约定：员工在雇佣工作期间的伤残、患病、死亡，企业概不负责。员工已在该合同上签字，该合同条款( )。A．无效B．是当事人真实意思的表示，对当事人双方有效C．一定有效D．只对一方当事人有效 查看答案
题型：单项选择题 关于物体的惯性，下列说法中正确的是（ ）A．物体不受外力时，有惯性，受外力时没有惯性B．运动的物体有惯性，静止的物体没有惯性C．速度大的物体惯性大D．一切物体在任何情况下都有惯性 查看答案
题型：单项选择题 client/Server与文件服务器的最大区别在于：Server控制管理数据的能力。（）A.由元盘工作站方式上升到文件管理方式B.由通信服务方式上升到数据库方式C.由文件管理方式上升到通信服务方式D.由文件管理方式上升到数据库方式 查看答案