Question

                       B 

    Everybody hates rats. But rats may soon be man’s new best friends.

    What happens after an earthquake? We send in rescue (援救) dogs. Why? Because they can smell people. Dogs save lives. They help rescuers to find living people. But dogs are big and they can’t get into small spaces. So now a new research project is using a smaller animal to save lives ： the rat.

    How does it work? First,the rat is trained to smell people. When this happens,the rat’s brain gives a signal (信號(hào)). This is sent to a small radio on its back,and then the rescuers follow the radio signals. When the rat’s brain activity jumps,the rescuers know that someone is alive. The rat has smelled that person.

    Although there are already robots which can do this job,rats are better. “ Robots’ noses don't work well when there are other smells around. Rats are good at that, ”says a scientist. Rats 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 a scientist says , “It would be fantastic. A rat could get into spaces we couldn^ get to and a rat would get out if it wasn't safe.”Per?haps for the first time in history,people will be happy to see a rat in a building (but only after an earthquake,of course) .

36.In the writer’s opinion,rats will become man’s best friends because they can.

A.serve as food for people 

B.help rescuers to find living people 

C.be lovely 

D.completely replace man’s rescue jobs 

37.What does the underlined word “this” mean?

A. An earthquake.

B. The rat has smelt a person.

C.The rat’s brain activity jumps.

D.The rat has found a robot.

38.Which of the following is NOT true?

A.Rats don't need electricity.

B.Rats are better than robots when smelling.

C.Rats are as clever as radios.

D.Rats can see things in the dark when doing rescues.

39.Why does the “rat project” sound great according to the passage?

A.Because rats can get into very small spaces.

B.Because rats have better noses than dogs.

C.Because rats don't look like robots.

D.Because rats are very brave.

40.Which is the best title of this passage?

A.Ways of saving people 

B.Rats and robots 

C.After earthquake

D. Rats for rescue

Answer 1

36.B   根據(jù)第二段 a new research project is using a smaller animal to save lives:the rat知，老鼠可以幫助救援人員找到幸 存者，故選B.

37.B   根據(jù)第三段知老鼠通過訓(xùn)練后就能夠聞到人的體味。 當(dāng)老鼠聞到人的體味后，它的大腦就會(huì)發(fā)出信號(hào)，故此處的 this是指“老鼠聞到人的體味”，故選B.

38.C根據(jù)第四段的描述知選項(xiàng)A、B、D所陳述的內(nèi)容是正確 的;而C項(xiàng)內(nèi)容與原文不符，故選C.

39.A  根據(jù)最后一段“ A rat could get into spaces we couldn’t get to and a rat would get out if it wasn’t safe."知，老鼠可以進(jìn)人狹 小的空間，并且在遇到危險(xiǎn)時(shí)還可以很快從狹小的空間里出 來，因此，研究用老鼠幫助救援工作是很棒的。

40.D  短文講述老鼠通過訓(xùn)練后可以在地震救援工作中幫助 搜尋生命跡象，故選項(xiàng)D的Rats for rescue為短文的最佳 標(biāo)題。