题目内容

Why do big American companies demand that their employees pass in and out of their work place with an access card?

A. Because they want to figure out a way to hold the terrorists.
Because they feel threatened and want to keep outsiders away.
C. Because they think it is a symbol of their identity.
D. Because it is more convenient.

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Businessmen are buying new machines to analyze a ________ in order to tell whether their friend or client is _________ .

People think that electronic X-ray equipment can hold ___________at bay.

Airports are still a place of education and fun today.

A. 对
B. 错

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

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