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【单选题】
You are the administrator for Company.com's network. Exams, who works in Financial department, wants to update the printer connected to her Windows 2000 Professional computer so that she can print graphics at a higher resolution. Exams downloads a printer driver from the Internet. The then asks for your assistance in installing the driver. You are unsure of the source of the driver. You want to ensure that the user does not lose production time because of an incompatible driver. What should you do?（）A.
Display the Advanced Attributes dialog box for the printer driver file. Install the driver if the Contents have been secured.
B.
Run File Signature Verification to verify that the new driver has a Microsoft digital signature. Do Not install the driver if it does not have the signature.
C.
Install the driver. Logon to the computer. If the computer fails after installing the driver, restart The computer. Then use the last known good configuration to recover the original driver.
D.
Install the driver. Logon to the computer. If the computer fails after installing the driver, use the Hardware troubleshooter. Then use the Recovery Console to recover the original driver.
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举一反三
【单选题】煤气中毒主要是因为煤气中的一氧化碳( )
A.
抑制了巯基酶的活性,使巯基酶失活。
B.
抑制了胆碱酯酶的活性,使乙酰胆碱堆积,引起神经中毒的症状。
C.
和血红蛋白结合后,血红蛋白失去了运输氧的功能,使患者因缺氧而死。
D.
抑制了体内所有酶的活性,使代谢反应不能正常进行。
【简答题】最早由美国贝尔实验室的休哈特博士提出的一种科学的工作程序，同时也是实施全面质量管理的基本方法是（ ）。
【单选题】下列做法不易导致实验室内物品丢失的是:
A.
实验室可任由陌生人进出
B.
为了方便，离开实验室时不锁门
C.
将物品随便放在实验台上，无人保管
D.
将实验物品随身携带或委托熟人暂时看管
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