编辑: kr9梯 | 2018-04-27 |
一、完型填空 Workers aren'
t allowed to go into a big underground computer center until they step up to a machine that takes a quick picture of the tiny blood vessels (血管) inside their eyes.
If the machine can'
t the picture with images in its computer, the worker is stopped by security guards (保安员). Each person has his own way of blood vessels in his or her And unlike a key, the way can'
t be Old-fashioned keys and locks may soon be things of the past.High-tech security devices (安全装置) are being fixed at military (军事的) bases, computer centers and banks.Companies that the machines say they'
ll someday be used in people'
s homes and cars. Already, a Japanese company has fixed ways that recognize (识别) people'
s fingerprints in
360 new homes.The machines open the doors only for the of the houses.The new security ways are selling well because thieves and robbers are getting better at breaking into buildings and computers that are by keys and locks.Since nobody can steal or copy a fingerprint, or one'
s eyes, the new machines are Other new machines recognize one'
s voice.Two American companies use machines to keep an eye on their computers.Inexpensive voice-recognition machines may someday take the place of locks on cars.The doors would open only for the owners.The machines would the owners as little as $270.Although the up-to-date machines are amazing, scientists must still solve a serious problem.How will a boy borrow his dad'
s car without borrowing his dad'
s 1. A.match B.fit C.compare D.share 2. A.face B.eyes C.voice D.fingerprints 3. A.borrowed B.missed C.stolen D.bought 4. A.make B.buy C.have D.copy 5. A.makers B.buyers C.sellers D.owners 6. A.connected B.collected C.prevented D.protected 7. A.safe B.unusual C.helpful D.useful 8. A.fingerprints B.voice-recognition C.locks D.eye-recognition 9. A.pay B.spend C.take D.cost 10.A.face B.voice C.fingers D.photo
二、阅读单选 An old man went to live with his son, his daughter-in-law, and a four-year-old grandson. The old man'
s hands trembled, his eyesight was very poor, and he couldn'
t walk steadily(平稳地). The family ate together nightly at? the dinner table. But the elderly grandfather'
s shaky hands and failing sight made eating rather difficult. Rice often dropped on the floor. The son and the daughter-in-law became angry with the old man, so they put a small table in the corner. There, the grandfather ate alone, while the rest of the family enjoyed dinner at the table. Since the grandfather had broken a dish or two, his food was served in a wooden bowl. The four-year-old son watched it all in silence. One evening before supper, the father noticed his son playing with a piece of wood on the floor. He asked the child sweetly, What are you making? The boy answered, Oh, I am making a little bowl for you and mama to eat your food from when I grow up. The four-year-old son smiled and went back to work. The words struck the parents so that they were in silence. Then tears started to stream down their cheeks(脸颊). Though no word was spoken, both knew what must be done. That evening the husband took grandfather'
s hand and gently led him back to the family table. 11.Why was the old man'
s food served in a wooden bowl? A.Because the wooden bowl was light enough. B.Because the old man had broken a few bowls. C.Because there was only a wooden bowl left. D.Because the son and the daughter-in-law became angry with the old man. 12.Why did the husband lead the old man back to the family table? A.Because he realized his mistakes. B.Because the old man didn'