摘要:读书笔记[阅读全文]

摘要:An operating system is the software on a computer that manages the way different programs use its hardware, and regulates the ways that a user controls the computer.[阅读全文]

摘要:A systems analyst follows the steps described in the systems life cycle.[阅读全文]

摘要:Information systems managers oversee the work of programmers, computer specialists, systems analysts and other computer professionals.[阅读全文]

摘要:keep something under your hat = don't say anything to anyone: "I've got something to say to you. But keep it under your hat – it's not public knowledge."take your hat off to someone = admire som[阅读全文]

摘要:Talktalk nineteen to the dozen = talk fast: "She was so excited that she was talking nineteen to the dozen."talk the hind legs off a donkey = talk without stopping: "She can talk the hind legs off[阅读全文]

摘要:Housesafe as houses = very safe: "This plan is as safe as houses. It can't fail!"get on like a house on fire = get on very well with someone: "Those two get on like a house on fire."give house ro[阅读全文]

摘要::-)All these idioms mean that you are absolutely delighted!over the moon: "He was over the moon when he heard the news."thrilled to bits: "She was thrilled to bits with her new bicycle."in seventh[阅读全文]

摘要:Clockbeat the clock = do something within the deadline: "We managed to beat the clock and get everything finished in time."work against the clock = work hard knowing you have a deadline: "Scientist[阅读全文]

摘要:Now sleeps the crimson petal, now the white; Nor waves the cypress in the palace walk; Nor winks the gold fin in the porphyry font: The firefly wakens: waken thou with me.[阅读全文]

摘要:Overview A psalm is a religious poem or song set to music. Some of the psalms in the Book of Psalms are hymns to be sung by a congregation, and “Songs of Ascent” to be sung by pilgrims approaching t[阅读全文]