题目: 在计算机领域中通常用MIPS来描述A.计算机的运算速度B.计算机的可靠性C.计算机的运行性D.计算机的可扩充性 答案: 参考答案:A解析: 计算机的运算速度通常指每秒所执行加法指令数目,常用百万次/秒(MIPS)表示。
题型:单项选择题 A1/A2型题 下列对胃溃疡的说法正确的是()。A.胃溃疡可能恶变,故均有手术指征B.饮食也可以促进溃疡愈合C.与十二指肠溃疡相反,胃溃疡不易出血D.通常胃酸正常或降低E.常表现为夜间痛 查看答案
题型:问答题 IBM公司是全球有名的电脑生产公司,在激烈竞争的电脑行业中,该公司成功原因之一是它采用了供应链管理思想,对产品采用分类储存方式,该方式帮助IBM公司取得了较好收益。该方式有着一定的优点也有一定的缺点,请谈谈分类存储的主要优缺点? 查看答案
题型:完形填空 Do you find getting up in the morning so difficult that it’s painful? This might be called laziness, but Dr. Kleitman has a new ___36____. He has proved that everyone has a daily energy cycle.During the hours when you labour through your work, you __37___ say that you’re “hot”. That’s true. The time of day when you feel most energetic is when your cycle of body temperature is ___38____. For some people the peak comes during the forenoon. For others it comes in the afternoon or evening. No one has discovered __39___ this is so , but it leads to such familiar monologues (自言自语)__40___ “Get up , John ! You’ll be late for work again!” The ___41___ explanation to the trouble is that John is at his temperature—and —energy peak in the evening. Much family quarrelling ___42___ when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has.You can’t change your ___43___, but you can make your life ___44___ it better. Habit can help. Dr. Kleitman believes. Maybe you’re sleepy in the evening but feel you must stay up late ___45___. Counteract (打乱)your cycle to some extent by ___46___ staying up later than you want to . If your energy is ___47___ in the morning but you have an important job to do early in the day, ___48___ before your usual hour. This won’t change your cycle, but you’ll get up steam(打起精神) and work better ___49___.Get off to a slow start ___50___ saves your energy. Get up with a yawn (呵欠)and ___51___ . Sit on the edge of the bed a minute before ___52____ on the floor. Avoid the ___53___ search for clean clothes by laying them out ___54___. Whenever possible , do routine (常规的)work in the afternoon and save tasks ___55____ more energy for your sharper hours .小题1:A.impression B.explanationC.explorationD.translation小题2:A.mustB.shouldC.canD.may小题3:A.at its bottomB.at its beginning C.at its endD.at its peak小题4:A.whyB.thatC.whetherD.whatever小题5:A.asB.such asC.whichD.like小题6:A.steadyB.occasionalC.surprisedD.possible小题7:A.startsB.comes backC.endsD.turns around小题8:A.life attitudeB.energy cycleC.time tableD.alarm o’clock小题9:A.to doB.changeC.fitD.to renew小题10:A.anywhereB.no wayC.anywayD.somewhere小题11:A.sensitively B.especiallyC.carefullyD.habitually小题12:A.lowB.highC.oldD.new小题13:A.go upB.riseC.liftD.raise小题14:A.in your high spiritB.at the right timeC.at your low pointD.in the same way小题15:A.whichB.whicheverC.whatD.whatever小题16:A.expressB.attendC.openD.stretch小题17:A.putting your feetB.setting your footC.laying down your footD.lying your feet小题18:A.tiredB.troublesomeC.immediateD.dangerous小题19:A.yesterdayB.last nightC.the night agoD.the night before小题20:A.suggestingB.demandingC.requiringD.persuading 查看答案