题目内容

毒性反应指的是（）。

A. 指停药后血药浓度已降至阈浓度以下时残存的药理效应
B. 药物剂量过大或蓄积过多时发生的危害性反应
C. 由于药物的药理效应选择性低，涉及多个效应器官，用作治疗目的以外的其他效应
D. 正常药物剂量时发生的危害性反应
E. 突然停药后原有疾病的加剧

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当上桌后发现是客人没点的菜怎么办？

You install Windows 2000 Professional on your portable computer. You install an SCSI and PC card adapter, that you can use in the office to use color scanner. You use a docking station for your computer when you are in the office. You want to maximize the battery performance for your portable computer. You also want to prevent the driver from loading whenever you are away from the office. What should you do?（）

A. When away from the office use Device Manager to remove the adapter.
B. When away from the office configure the startup properties for the adapter to be automatic.
C. Remove the computer from the docking station and start Windows 2000 Professional to disable the SCSI PC card adapter device for the current profile.
D. Remove the computer from the docking station and start Windows 2000 Professional, use Device Manager to remove SCSI PC card adapter device.

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桥是指身体面向地面，手和脚支撑成弓形的一种姿势。

A. 正确
B. 错误

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在空气精馏中，回流比一般是指塔内（）与（）之比。

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