主页
学科
搜索
账户
常见问题
当前学科:计算机维修工
题目:
单选
硬盘磁头移动到数据所在磁道的平均时间是()
A . 转速
B . 平均寻道时间
C . CAS等待时间
D . D.CPU占用时间
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
发送电子邮件使用的协议是SMTP
二十世纪全球变暖的主要原因是什么?()
男性,56岁。糖尿病患者,用胰岛素治疗,晚10时突起心慌、多汗、软弱,继而神志不清、查脉搏120次/分,尿糖(-),尿酮体(-),尿素氮10.0mmol/L,最可能为()。
服务企业内部营销的核心要素是()
男性,65岁。临床诊断直肠癌。肥胖体型,长期吸烟史,高血压病史10年,药物控制良好。在全麻下行直肠癌根治术。术中输血800ml,手术历时5小时。术后第8天拆线,第9天下床,在卫生间突然晕倒,心跳、呼吸骤停,救治无效死亡。死亡的最可能原因是()。
小于或等于8M的梁应在混凝土强度达到设计强疫的()时可拆除。
一般在服毒后几小时内洗胃最有效()
最小塔板数的含义()。
消费撤销与退货交易的区别是()。
Wise buying is a positive way in which you can make your money go further. The ()you go about purchasing an article or a service can actually ()you money or can add ()the cost. Take the ()example of a hairdryer. If you are buying a hairdryer, you might ()that you are making the ()buy if you choose one ()look you like and which is also the cheapest ()price. But when you get it home you may find that it ()twice as long as a more expensive ()to dry your hair. The cost of the electricity plus the cost of your time could well ()your hairdryer the most expensive one of all. So what principles should you ()when you go out shopping? If you ()your home, your car or any valuable ()in excellent condition, you’ll be saving money in the long () Before you buy a new (),talk to someone who owns one. If you can, use it or borrow it to check it suits your particular () Before you buy an expensive (),or a service, do check the price and ()is on offer. If possible, choose ()three items or three estimates. 请在第()处填上正确答案。