题目内容
Businessmen are buying new machines to analyze a ________ in order to tell whether their friend or client is _________ .
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People think that electronic X-ray equipment can hold ___________at bay.
Airports are still a place of education and fun today.
A—Diskette drive B—Liquid Crystal DisplayC—Left Speaker D—System-expansion connectorE—System-status indicators F—Audio control panelG—Power switch H—Modem connectorI—Line-in jack J—Headphone jackK—Memory door L—MicrophoneM—External input device connector N—Power jackO—External Monitor port P—Microphone jackQ—Audio volume control
关于for结构,以下哪个表述错误?
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