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     PITTSBURGH-For most people, snakes seem unpleasant or even threatening. But Howie Choset
sees in their delicate movements a way to save lives.
     The 37-year-old Carnegie Mellon University professor has spent years developing snake-like robots
he hopes will eventually slide through fallen buildings in search of victims trapped after natural disasters
or other emergencies.
     Dan Kara is president of Robotics Trends, a Northboro, Mass.-based company that publishes an
online industry magazine and runs robotics trade shows. He said there are other snake-like robots being
developed, mainly at universities, but didn't know of one that could climb pipes.
     The Carnegie Mellon machines are designed to carry cameras and electronic sensors and can be
controlled with a joystick (操縱桿). They move smoothly with the help of small electric motors, or servos,
commonly used by hobbyists in model airplanes.
     Built from lightweight materials, the robots are about the size of a human arm or smaller. They can
sense which way is up, but are only as good as their human operators, Choset added.
     Sam Stover, a search term manager with the Federal Emergency Management Agency based in Indiana,
said snake-type robots would offer greater mobility than equipment currently available, such as cameras
attached to extendable roles.
     "It just allows us to do something we've not been able to do before," Stover said,"We needed them
yesterday."
     He said sniffer dogs are still the best search tool for rescue workers, but that they can only be used
effectively when workers have access to damaged building.
     Stover, among the rescue workers who handled the aftermath (后果) of Hurricane Katrina, said snake
robots would have helped rescuers search flooded houses in that disaster.
     Choset said the robots may not be ready for use for another five to ten years, depending on funding.
1. Which institution is responsible for the development of Choset's robots?
A. Robotics Trends.
B. Pittsburgh City Council.
C. Carnegie Mellon University.
D. Federal Emergency Management Agency.
2. Choset believes that his invention ______.
A. can be attached to an electronic arm
B. can be used by hobbyists in model airplanes
C. can find victims more quickly than a sniffer dog
D. can sense its way no better than its operators
3. By saying "We needed them yesterday" (paragraph 7), Stover means that snake-like robots _____.
A. could help handle the aftermath of Hurricane Katrina
B. would have been put to use in past rescue work
C. helped rescuers search flooded houses yesterday
D. were in greater need yesterday than today
4. What is the text mainly about?
A. Snake-like robots used in industries.
B. Snake-like robots made to aid in rescues.
C. The development of snake-like robots.
D. The working principles of snake-like robots.
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科目：高中英語 來源：徐州市2006－2007學年度高三第一次質量檢測、英語試題 題型：050

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Signal that may prove E．T．is phoning home

By David Harding

　　It is the sort of out-of-this-world phenomenon that might have got E．T．himself jumping for ioy (if only his legs had been long enough)．

　　Astronomers bare received three mysterious radio signals from outer space．

　　They picked them up while using a radio telascopc stationed in Puerto Rico to probe deep into the universe．

　　Each signal lasted about one minute and was recorded on the frequency which scientists believe aliens would be most likely to use, namely SHGb02＋I4a (since you ask, this is the frequency at wbich hydrogen readily takes in and gives out energy．) According to New．Scientist magazine, the signal originates from a point her ween the Pi-es and Aries constellations (雙魚座和白羊座) where there is no obvious star or planetary system within 1,000 light years．

　　What is sending tbe signals is unknown, hut scientists working on the Search for Exlraterrestrial Intelligence project believe it could finally prove there is life “out there”．

　　”We are looking for something that screams out ‘artificial'“ said Eric Korpela, a researcher from the University of California, Berkeley．

　　”This just doesn't do that bot it could be because it is distant．”

　　Other scientists are not so sure it will point the way to alien life but they have ruled out a scientific joke．They believe it may be an unknown astronomical phenomenon or even a strange thing of the telescope itself．

　　”If they can see the signal four, five or six times it really begins to get exciting,” said Jocelyn Bell Burnell, from the University of Bath．

(1)

In the pessage E．T．refers to ________．

[　　]

A．

an astronomer

B．

an unknown person

C．

an alien

D．

an extraterrestrial intelligence project．

(2)

In the 8th paragraph, “ruled out” means ________．

[　　]

A．

included

B．

excluded

C．

considered

D．

controlled

(3)

By writing this article the author means to

[　　]

A．

make people know popular science

B．

tell us E．T．is phoning home

C．

tell us something about people from outer space

D．

tell us astronomers have received signals from outer space

(4)

Jocelyn Bell Burnell tends to believe

[　　]

A．

in the existence of aliens

B．

in the nonexistence of aliens

C．

David Harding

D．

other scientists．

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科目：高中英語 來源： 題型：閱讀理解

第三部分：閱讀理解（共20小題，每題2分，滿分40分）

閱讀下列短文，從每題所給的四個選項（A、B、C和D）中，選出最佳選項，并在答題卡上將該項涂黑。

Do you want to have a mobile phone? Have you had a mobile phone already? Nowadays more and more students have their own mobile phones, and mobile phone use has become a problem for middle schools. Some middle schools in China have banned students from carrying mobile phones during school hours.

Mobile phone use among children has become a big problem for the school this year. Some children have got mobile phones as birthday gifts, and more students want them.

Wang Pi, an official, said, “Mobile phone use is a distraction (分散注意力的東西) to students during school hours and it also gives teachers so much trouble in their classrooms.” Teachers were also saying that sometimes students might use phone messages to cheat during exams.

Wang Pi, also said some schools has tried to ban mobile phones, but some parents felt unhappy because they couldn’t get in touch with their children.

Many teachers said students should not have mobile phones at school, but if their was a good reason, they could leave their phones at school offices. They also said there were many reasons why the students should not have mobile phones at school. They were easy to lose and were a distraction from studies.

Many people say that they understand why parents would want their children to have phones, but they think schools should let the students know when they can use their mobile phones.

56．Some middle schools have banned students from carrying mobile phones         .

      A．because they are students B．because they don’t earn money

       C．when they are at school   D．when they are free

57．Some parents felt unhappy because they couldn’t        during school hours.

       A．help the teachers with their work    B．leave their mobile phones at school offices

       C．use their mobile phones   D．get in touch with their children

58．The three underlined words “they” in Para. 5 refer to       .

       A．teachers; students; mobile phones   B．teachers; mobile phones; students

       C．students; teachers; mobile phones   D．students; mobile phones; teachers

59．The passage tells us that         .

      A．it is impossible to ban students from using mobile phones at school

       B．some parents felt unhappy because they couldn’t use their phones at school

       C．students shouldn’t have mobile phones at school except for some special reasons

       D．parents should teach their children how to use mobile phones during school hours

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