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【单选题】
根据《旅游法》规定,旅行社组织团队出境旅游或者组织、接待团队入境旅游,应当按照规定安排 _____ 全程陪同。A.
领队
B.
导游
C.
领队或导游
D.
领队和导游
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】___ does not belong to the output devices .
A.
facsimile machine
B.
headset
C.
speaker
D.
microphone
【多选题】Which of the following are output devices?
A.
Keyboard
B.
Digital camera
C.
Printer
D.
Monitor
【简答题】Many devices combine input and output devices.
【简答题】The hardware consists of and output devices, CPU and storage devices.
【简答题】Input devices / Output devices (输入设备/输出设备) --- connect the PLC to ________ and _________. --- they may be _______ a PLC or PLC may have _______ I/O modules.
【单选题】Typical output devices of a microcontrollerinclude ( ), LEDs, and LCD displays.
A.
relays
B.
sensors
C.
keyboard
D.
radio frequency devices
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