[英语完形填空学习方法]英语完形填空学习方法1. 依据上下文确定答案的法则：从近几年的完形填空题看，近义词或近义短语的测试力度逐渐加强，并成为测试热点。四个选项不是词义相近，要不就是近义动词的同...+阅读
If you cannot see, you may not be able to find your way out of a burning building-and that could be fatal. A pany in Leeds could change all that__1__ directional sound alarms capable of guiding you to the exit.
Sound Alert, a pany__2__ the University of Leeds, is installing the alarms in a residential home for__3__ people in Sommerset and a resource centre for the blind in Cumbria.__4__produce a wide range of frequencies that enable the brain to determine the __5__ is ing from.
Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be __6__ by humans. "It is a burst of white noise__7__ people say sounds like static on the radio," he says. "Its life-sing potential is great"
She conducted an experiment in which people were filmed by thermal-imaging cameras trying to find their way out of a large__8__ room. It__9__ them nearly our minutes to find the door__10__ a sound alarm, but only 15 seconds with one.
Withington studies how the brain__11__ sounds at the university. She says that the __12__ of a wide band of frequencies can be pinpointed more easily than the source of a narrow band. Alarms__13__ on the same concept he already been installed on emergency vehicles.
The alarms will also include rising or falling frequencies to indicate whether people should go up__14__ down stairs. They were__15__ with the aid of a large grant from British Nuclear Fuels.
1. A) without B)with C)hing D)selling
2. A) run by B)changed by C) decorated by D)criticized by
3. A) slow B)deaf C)blind D)lame
4. A) Alarms B) Alarm C) The alarm D) The alarms
5. A) noise B) sound C) music D) bell
6. A) watched B) produced C) learnt D) heard
7. A) where B) what C) that D) how
8. A) smoked B) smoke-filled C) filled with smoke D) smoke-filling
9. A) has taken B) takes C) took D) will take
10. A) on B) near C) without D) from
11. A) processes B) produces C) possesses D) proceeds
12. A) feature B) quality C)diagram D) source
13. A) basis on B) base on C) basing on D) based on
14. A) or B) and C) but D) otherwise
15. A) developed B) determined C) discovered D) delivered
key: BACDB DCBCC ADDAA
The Greatest Mystery of Whales
The whale is a mammal - warm-blooded, air-breathing, giving birth to its young alive, sucking them-and, like all mammals, originated on land. There are many signs of this. __1__ front flippers, used for steering and stability, are traces of feet.
Immense strength is built into the great body of the big whales, and in fact most of a whale’s body is one gigantic muscle. The blue whale’s pulling __2__ has been estimated at 400 horsepower. One specimen was reported to he __3__ a whaling vessel for seven hours at the __4__ of eight knots.
An enraged whale will attack a ship. A famous __5__ of this was the fate of whaler Essex, which was sunk __6__ South America early in the last century. More recently, steel ships he had their plates buckled in the same way. Sperm whales were known to __7__ the old-time whaleboats in their jaws and crush them.
The greatest mystery of whales is their diving ability. The sperm whale __8__ the bottom for his fourite food, the octopus. __9__ he is known to go as far down as 3,200 feet, where the pressure is 1,400 pounds, to the square inch. Doing __10__ he will remain submerged as long as one hour. Two feats are involved in this : storing up enough __11__(all whales are air-breathed) and withstanding the great change in pressure. Just __12__ he dose it scientists he not determined. It is believed that some of the oxygen is stored in a special system of blood vessels, rather than just held in the lungs. And __13__ that a special kind of oil in his head is some sort of pensating mechanism that automatically adjusts the internal pressure of his body. But __14__ you can’t bring a live whale into the laboratory for study, no one __15__ just how these things work.
EXERCISE:
1. A)Their B)His C)Theirs D)Its
2. A)strength B)width C)height D)length
3. A)eaten B)crashed C)towed D)lifted
4. A)distance B)rate C)voyage D)sail
5. A)picture B)film C)example D)book
6. A)off the coast of B)of the coast of C0away the coast of D)in the coast of
7. A)hit B)seize C)damage D)overturn
8. A)sink to B)rest on C)dive to D)hide on
9. A)In that search B)Because of this C)In spite of that D)In support of this
10. A)so B)such C)above D)the same
11. A)air B)oxygen C)energy D)heat
12. A)what B)where C)how D)when
13. A)it is believed B)he believes C)we believe D)it believes
14. A)because of B)due to C)since D)owing to
15. A)municates B)knows C)hears D)develops
KEY:D A C B C A B C A A B C A C B
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