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plot v.为……设定
plaster n.熟石膏
artifact n.人工制品
1. What is this passage mainly about？
A） The history of the American Museum of Natural History.
B）The reproduction of the rainforest at a New York museum.
C）Visitors' interest in the rainforest reproduction at a New York museum
D）Saving rainforests in the Central African Republic.
2.How did the museum collect the data in the Central African Republic？
A）It sent a large team of scientists there.
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.
They are not quite there yet：the card is the length and width of an ordinary credit card，but it is still about three times as thick.Alan Sege，Beepcard's CEO，says the company now plans to use smaller chips to slim it down to normal thickness.
The voice card is based Oil an earlier Beepcard technology designed to prevent fraud in online transactions.This earlier card has no microphone.but has a built.in loudspeaker that it uses to “squawk” an acoustic ID signal via a computer's microphone to an online server.
By verifying that the signal matches the card details，the server can establish that the user is not simply keying in…a credit card number but actually has the card to hand.The ID code changes each time the card is used in a pre-ordered sequence that only the server knows. | 
