11、根据以下资料，回答{TSE}题。 　　It used to take Redwood City, California police hours to locate gunfire．Now, they have a new tool that helps them find the gunfire quickly．This new tool is called the Shot Spotter, The police began using the Shot Spotter in 1995．They wanted to cut down on gunfire in their city.
　　One Shot Spotter covers a square mile．Eight microphones are put on the roofs of buildings．These microphones pick up gunfire noise．It only takes seven seconds to report the gunfire to the police．Then a red dot on the police map shows where the action is.
　　The Shot Spotter really works well．It locates the gunfire within 20 to 40 feet plus or minus．Redwood City police are very happy with the Shot Spotter．They think it might have helped catch the D.C．sniper.
　　Shot Spotters cost a lot of money．One of them sells for $200,000．Despite the cost, Shot Spotters can be a big help in fighting crime.

Eight microphones placed on rooftops __.
A． talk to police
B． warn the public
C． listen for gunfire
D． play rap music
12、 The red dot on the police map shows __.
A． the address of the criminal
B． Redwood City
C． the capital of California
D． the location of the gunfire
13、 The Shot Spotter has helped police __.
A． a little bit
B． cut down the use of weapons
C． tremendously
D． solve all the shootings
14、 What is the writer's attitude toward Shot Spooters?
A． Be indifferent to i
B． Be for i
C． Be against i
D． Be angry at i
15、根据以下资料，回答{TSE}题。 　　The first true piece of sports equipment that man invented was the ball.
　　In ancient Egypt, as everywhere, pitching stones was a favorite children's game．But a badly thrown rock could hurt a child．Looking for something less dangerous to throw, the Egyptians made what were probably the first balls.
　　At first, balls were made of grass or leaves held together by vines．Later they were made of piece of animal skin sewed together and stuffed with feathers or hay.
　　Even though the Egyptians were warlike, they found time for peaceful games．Before long they had developed a number of ball games, each with its own set of rules．Perhaps they played ball more for instruction than for fun．Ball playing was thought of mainly as a way to teach young men the speed and skill they would need for war.

The ball was probably invented because __．
A． throwing stones often caused injuries
B． throwing stones was not fun
C． games with stones did not have rules
D． rocks were too heavy to throw
16、 This selection says that the Egyptians played __.
A． many different games with balls
B． many different kinds of games
C． only one ball game
D． different games with similar roles
17、 The Egyptians thought that ball playing was __.
A． childish
B． difficult
C． not enjoyable
D． worthwhile
18、 The best title for this selection is __.
A． The First Ball Games
B． How Egyptian Children Played Games
C． Egyptian Sports
D． The Beginning of Sports
19、根据以下资料，回答{TSE}题。 　　Can animals be made to work for us? Some scientists think that one day animals may be trained to do a number of simple jobs that are now done by human beings.
　　They point out that at a circus, for example, we may see elephants, monkeys, dogs and other animals doing quite skillful things．Perhaps you have seen them on the television or in a film．If you watch closely, you may notice that the trainer always gives the animal a piece of candy or a piece of fruit as a reward．The scientists say that many different animals may be trained to do a number of simple jobs if they know they will get a reward for doing them.
　　Of course, as we know, dogs can be used to guard a house, and soldiers in both old and modem times have used geese to give warning by making a lot of noise when a stranger or an enemy comes near．But it may be possible to train animals to work in factories．In Russia, for example, pigeons which are birds with good eyesight, are being used to watch out for faults in small steel balls that are being made in one factory．When the pigeon sees a ball which looks different from others, it touches a steel plate with its beak．This turns on a light to warn people in the factory．At the same time a few seeds are given as a reward．It takes three to five weeks to train a pigeon to do this and one pigeon can inspect 3 000 to 4 000 balls an hour.
　　Apes have been used in America in helping to make cars, and scientists believe that these large monkeys may be one day gather crops and even drive trains.
What made scientists think animal can be made to work for us one day?
A． Animals are very skillful at a circu
B． They are big and stron
C． Some animals are as clever as human being
D． Animals can be trained because they like to get something as a rewar
20、 The trainer usually gives the animal a piece of candy or fruit __.
A． when it is hungry
B． before it plays a trick
C． when it starts to play a trick
D． after it has done the trick

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