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  Everybody hates ratsBut in the earthquake capitals of the worldJapan, Los Angeles, Turkeyrats will soon be man's new best friends

  What happens after an earthquake? We send in rescue dogsWhy? Because they can smell peopleDogs save livesThey help rescuers to find living peopleBut dogs are big and they can't get into small spaceSo now a new research project is using a smaller animal to save livesthe rat

  How does it work? First, the rat is trained to smell peopleWhen this happens, the rat's brain gives a signalThis is sent to a small radio transmitter pack strapped to the animal's backRescuers will be able to follow the rat's position by tracking these signals

  Although there are already robots which can do this job, rats are betterChristiane Linster at Cornell University, New York, says, Robots' noses don't work well when there are other smells aroundRats are good at thatRats can also see in the dark, they are cheaper and quicker to train than dogs, and unlike robots, they don't need electricity!

  The rat project is not finished, but Julie Ryan of International Rescue Corps in Scotland says, It would be fantasticA rat could get into space we couldn't get to, and a rat would get out if it wasn't safe.” Perhaps for the first time in history, people will be happy to see a rat in a building ( but only after an earthquake, of course)

(1)

Why can rats become man's new friends in the world earthquake capitals?

[  ]

A.

Because they can be food for people

B.

Because they can find people alive who are trapped in buildings

C.

Because they are more loyal than dogs

D.

Because they can take over man's rescue jobs completely

(2)

In what way do rats act as rescuers?

[  ]

A.

By screaming

B.

By smelling

C.

By observing

D.

By touching

(3)

Which of the following is TRUE?

[  ]

A.

Now rats have completely taken place of dogs in performing rescues

B.

Rats are not so good as robots when performing rescues

C.

The rescuers can rescue people by tracking signals sent from rat's brain

D.

Rats can only see things in the daytime when performing rescues

(4)

Why do rat projects sound fantastic?

[  ]

A.

Because rats are easier to train than dogs

B.

Because rats don't need electricity

C.

Because rats are small and can go to more places

D.

All of the above

答案:1.B;2.B;3.C;4.D;
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