硫化氢气体是顺着风向向下风向发生飘移、扩散的,又比空气要重,所以在传播过程中也会下沉到靠地面的较低凹的地方。
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同某,男,54岁。1985年7月20日初诊。主诉:左半身活动不灵伴言语不清17天。病史:7月3日在田间劳动中,突感左半身麻木,随之不能活动,跌倒在地,说话不清,急诊入院。治疗后病情好转。但仍左半身麻木,活动不灵,语言謇涩,神志清楚。平时常有头晕目眩。检查:血压150/90毫米汞柱。舌质暗,苔白腻,脉弦滑。CT检查示:脑血栓形成。该病人中医诊断是:()
A. 萎证
B. 痹证
C. 中风
D. 眩晕
E. 以上都不是
配离子的电荷等于中心离子的电荷。
A. 正确
B. 错误
You purchase a USB board, ISDN terminal adapter for your Windows 2000 Professional portable computer. You plug the device in to the USB port. Plug and Play fails to detect the new device. You test the device on a Windows 2000 Professional desktop computer. You find that plug and play correctly detects the device. You want to resolve the problem so that you can use ISDN terminal adapter on your portable computer. What should you do?()
A. Use the Device Manager to enable the USB manager root hub.
B. Use the Device Manager to enable the USB host controller in the current hardware profile.
Contact the hardware manufacturer to obtain the upgrade for the Plug and Play BIO
D. Turn off the computer plug in the ISDN terminal host adapter and restart the computer.
首席审计官有权自行决定是否参与内外部专家的聘任工作。
A. 正确
B. 错误