单选题 After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）
Check the computer to verify that the jumper settings for USB are correct.
Connect the USB devices to a different computer to test the devices.
Buy new USB wires and test USB functionality.
Check the BIOS to verify that USB functionality is enabled.
单选题 A client reports that the laptop is not performing a complete charge of the battery. Which of the following actions should be taken FIRST？ （）
Update the BIOS.
Run the battery calibrator.
Reinstall the ACPI drivers.
Replace the power adapter.
单选题 Which of the following commands could be used to start the Management Console on a workstation running Windows 2000/XP？（）
Start > Run > MCP
Start > Run > MCE
Start > Run > MCA
Start > Run > MMC
单选题 When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）
The keyboard driver needs to be updated.
There are conflicting serial ports.
The mouse driver needs to be updated.
The user is brushing the touch pad while typing.
单选题 Which of the following keys are used to access advanced Windows start up options while a computer is booting？（）
F8
F6
F5
F2
单选题 If an external monitor is attached to a laptop and it does not work， which of the following actions should a technician take FIRST？（）
Re-install the operating system.
Open and close the cover.
Use the function key to activate the monitor.
Install new software for the keyboard.
单选题 Which of the following locations contains the System Restore option in Windows XP？（）
Control Panel Administrative tools.
Control Panel Security Center.
System Properties， Start up and Recovery.
Help and support from the Start menu.
单选题 In a typical PDA， which of the following is the primary input tool？（）
voice navigation
stylus
scroll wheel
keyboard
多选题 Which of the following are primary differences between a laptop and a desktop CPU？（）
heat production
L2 Cache
clock speed
front side bus
power consumption
单选题 The error ’invalid boot disk’ means：（）
the BIOS settings are incorrect.
there is no floppy disk in the drive.
the computer was unable to make temporary space for the boot process.
the computer was unable to find the information needed to start the boot process.
公文的发文闭合程序？
初始评审的目的是为职业安全健康管理体系建立和实施提供基础，为职业安全健康管理体系的持续改进（ ）。
抗体是由下列哪种细胞产生的（）
营业外收入是指企业发生的与其日常活动无直接关系的利得。
对于PowerPoint2003中文本框内的文字，设置项目符号可以采用的是（）。
牵引装置的分类，可分为（）。
USB是并行、串行数据传输模式之外的第3种传输模式。
足月新生儿，出生体重2.3kg，羊膜早破，生后2天拒奶，呕吐，发绀，黄疸进行性加重。体检：体温不升，前囟平，颈软，全身黄染，心率150次／分，心音及心率正常，腹软，肝肋下3cm。化验：白细胞20×109/L，中性粒细胞占80%，胆红素308μmol/L，血型“O”，母亲血型为“A”，最大可能是（）
引起肾盂肾炎最常见的致病菌是（ ）。
女性患者，54岁，劳动中突感头晕，随即左半身无力，右眼闭合不全，双眼向左侧凝视，10分钟后昏迷。高热、双瞳孔小、四肢软瘫，应考虑的诊断是（）
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