举一反三
- A technician receives a laptop that is running out of battery power more quickly than expected.Which of the following can the technician do to correct the problem？ （） A: Note on the work order that the laptop is losing battery capabilities and the laptop must bereplaced. B: Replace the battery by purchasing a new battery from the manufacturer. C: Stop using the battery and use alternating current （AC） power for the laptop. D: Replace the AC adaptor by purchasing a new adapter from the manufacturer.
- _____ cards are used to connect a computer to a network. A: MiniDC B: Network adapter C: Battery D: AC adapter
- ADO.NET对象模型中,数据操作组件包括Connection、 Command 和Data Adapter 。
- How do you pull the clenched fist?
- the electric power grid is the connection of () and the transmission lines. A: Transformer B: Generators C: Customer devices
内容
- 0
If it too hot, disconnect the battery. A: If the battery becomes too hot, disconnect it. B: If it gets too hot, disconnect the battery. C: If it grows too hot, disconnect the battery.
- 1
When using a connector for optical fiber connection, if the connector is not continuous, it will cause . A: Optical power cannot be transmitted B: Fresnel reflection of optical power C: Scattering loss of optical power D: Part of the scattering loss of optical power or return to the transmitting end in the form of reflection
- 2
What will the doctor do for him A: Pull the tooth. B: Operate on him. C: Fill the tooth.
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听录音，选择你所听到的单词[音频] A: pall B: poor C: power D: pull
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A client reports that the laptop is not performing a complete charge of the battery. Which of the following actions should be taken FIRST？ （） A: Update the BIO B: C: Run the battery calibrator. D: Reinstall the ACPI drivers. E: Replace the power adapter.