2009 sees the 800th anniversary of the University of Cambridge. Thousands of people have taken part in global celebrations marking the 800th year of Cambridge University. The city of Cambridge has been decorated in a series of colorful streetlight banners to recognize the University's 800th anniversary．
Cambridge University was founded in 1209 after scholars from Oxford University gathered to study at the ancient Roman trading post Of Cambridge. Although academics were not sure of the exact date of the founding，they felt it was best to start the birthday celebrations when the students returned from their spring holidays this year．With the about 83 Nobel prizewinners who studied at
Cambridge University，Cambridge now plays host to 18,000 students．Outstanding former Cambridge students include Oliver Cromwell，Isaac Newton, Charles
Darwin and Stephen Hawking．For example，Charles Darwin，who transformed the way we think about the natural world，was born 200 years ago on February 12，1809．
Meanwhile，church bell―ringers around the world also played a new piece composed for the celebrations．Other events include an Isaac Newton and Charles Darwin festival and a science festival；A Festival of ideas of Creativities is planned for October，while a closing ceremony will be held the following month．
The Cambridge Science Festival is the largest free science festival among all of the celebrations in the UK and 25,000 people attend it .It encourages the general public, and particularly young people, to take an interest in science and its application in society.
Many of our anniversary events are free and open to the public .However ,due to space limitations, some events will require advance booking .Ticketing information for most events is available .For further information ,please contact on 800@admin .cam.ac.uk or（0）1223761672.
45.It can be concluded from the passage that _____.
A．Newton，Darwin，Stephen Hawking and Albert Einstein all graduated from Cambridge University．
B．The year of 2009 is also the 200th anniversary of Isaac Newton．
C. Cambridge brought up about 83 Nobel prizewinners，ranking top of the world.
D. Cambridge University is younger than Oxford University.
46. How long will the celebrations of the 800th Cambridge anniversary 1ast?
A．1 month or so. B．About 3 months．
C．Nearly l year. D．One and a half years．
47.What dose the author want to express most when mentioning Newton，Darwin and Hawking?
A．They were all former graduates of Cambridge University．
B．Cambridge University takes great pride in them．
C. They were and are famous scientists in UK that have great influence on modern science.
D．They are all Nobel prizewinners in the world．
48. Which events are included in the celebrations of the 800th year of Cambridge University?
a．The Cambridge city has been decorated beautiful．
b. About 18,000 students took part in the Cambridge celebrations.
c．Church bell― ringers across the world played a new piece composed for the celebrations.
d．A Festival of ideas of Creativities is planned for October．
e． Charles Darwin transformed the way we think about the natural world.
A．a(chǎn)―b―c―d―e B．a(chǎn)―b―c―d
C．b―c―d―e D．a(chǎn)―c―d