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发布时间：2006-06-23 21:15     点击：

　　B）It cooperated with many African scientists.

　　C）It recruited local people to collect mammals，etc.。

　　D）It sent cameramen to shoot videotapes.

　　3.To give the forest a sense of realness.all the following are used EXCEPT that

　　A）hidden loudspeakers are used to produce forest sound.

　　B）a huge videoscreen is put up on the back wall.

　　C）special equipment is employed to produce forest smells.

　　D）the forest is surrounded by front and back walls.

　　4.What is the main theme of the last paragraph？

　　A）The layout of the rainforest exhibition.

　　B）The balance between animals and plants.

　　C）The clever design of lighting.

　　D）Preservation of the rainforest exhibition as an artifact

　　5.What does the last sentence of the passage most probably mean？

　　A）The rainforest in the Central African Republic will be preserved forever.

　　B）The well-designed exhibit will be preserved as an artifact.

　　C）The exhibit reflects the hope that natural rainforests will be well preserved

　　D）The exhibit of the rainforest in the museum is the sole one in the world.

　　第3篇

　　Credit Card Only Works When Spoken to

　　A credit card that will not work unless it hears its owner's voice could become an important Weapon in the fight against fraud.

　　The card requires users to give a spoken password that it recognizes using a built-in voice—recognition chip.The idea is to prevent thieves using a stolen card or fraudsters using someone else's credit card details to buy goods online.。

　　A prototype built by engineers at Beepcard in Santa Monica，California，represents the first attempt to pack a microphone，a loud speaker， a battery and a voice-recognition chip into a standard.sized credit card.

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