47．It is implied from the passage that________.

　　A．the new racing car is the world's first environmentally­friendly car

　　B．in the racing event the new racing car was ranked the fifth

　　C．the traditional racing industry is criticized for its damage done to the environment

　　D．officials from Formula Three have a preference for biodiesel­powered cars

　　答案　C　[ 推理判断题。根据文章第四段中的“They developed the car because of criticism of the racing industry，”可推断出传统的行业由于其对环境造成的破坏而备受指责。]

　　D

　　It is 7 o'clock in the morning. You check yourself in the mirror, adjust your collar, and consider the hectic day ahead. But at least you know that the stress won't damage your health, for this is no ordinary set of clothes you are wearing. Embedded within the fabric are numerous sensors, constantly monitoring your vital signs. If danger signs are detected, the garment is programmed to contact your doctor and send a text message telling you to take it easy.

　　Garments that can measure a wearer's body temperature or trace their heart activity are just entering the market, but the European project BICEX weaves new functions into smart textiles. Miniaturised biosensors in a textile patch can now analyse body fluids, even a tiny drop of sweat, and provide a much better assessment of someone' s health.

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