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在音响设备系统中，信号输出设备是指将音频信号通过放大后推动（）工作的设备。

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电池的寿命与哪些因素有关？请根据现在的蓄电池使用状况，你认为如何维护管理能延长蓄电池的使用寿命？

At design time, you create a query record group for the LOV associated with the HOTEL text item in a form module for the Travel Planner Application. When is the record group deleted?（）

A. When the user navigates to the HOTEL item.
B. When the form module successfully compiles.
C. After Form Builder validates the SELECT statement and dismisses the New Record Group dialog box.
D. When the user enters data in the HOTEL item, and the Validate from List property for the HOTEL item is set to YE

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葡萄酒杯（wineglass）

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This is the house（）he lived last year.

A. that
B. which
C. where
D. what

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