第三部分：阅读理解（共20小题;每小题2分，满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项

第三部分：阅读理解（共20小题;每小题2分，满分40分）
阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。
A
“Mr. Mandela has spent 67 years making the world a better place. We’re asking you for 67 minutes”. Nelson Mandela turns 91 on the 18th of July, and the call has gone out for people everywhere to celebrate his birthday and the global launch of Mandela Day by acting on the idea that each person has the power to change the world.
The call by the Nelson Mandela Foundation and its sister organizations for the creation of an official global Mandela Day is gaining great support. It is to be celebrated on the 18th of July every year－Mandela’s birthday.
“The celebration of Mandela Day aims to call on people to recognize their power and devote 67 minutes to making an imprint (印记) and helping change the world around them for the better”, the Nelson Mandela Foundation said at the launch of the campaign in April.
“Nelson Mandela has been making an imprint on the world for 67 years, beginning in 1942 when he first started to fight for the human rights of every South African. He has set a good example to the world. ”
Mandela said at the time of the launch that he would be honoured if such a day can serve to bring together people around the world to fight poverty and improve peace.
Former US president Bill Clinton said Mandela’s example showed that the power of public kindness does not require public office, but a well-placed heart and a determined mind .
South African President Jacob Zuma said it would give people in South Africa and all over the world the opportunity to do something good to help others. Let us wholeheartedly support Mandela Day and encourage the world to join us in this wonderful campaign.
51. The underlined word “launch” in the first paragraph can be replaced by“________”.
A．celebration B．creation C．realization D. activity
52. The aim of setting up Mandela Day is to________ .
A．celebrate Nelson Mandela’s 91st birthday
B．improve the international position of South Africa
C．encourage people to fight poverty
D．call on people to make the world a much better place
53. It can be inferred from the passage that Bill Clinton and Jacob Zuma________.
A．do not support some ideas of Nelson Mandela
B．were too busy to attend Nelson Mandela’s 91st birthday celebration
C．think highly of the contribution Nelson Mandela has made to the world
D．disagree with the idea of setting up a global Mandela Day
54. Which of the following statements is TRUE according to the passage?
A．Nelson Mandela began to fight for the human rights in 1942.
B．It took 67 minutes to celebrate Mandela’s birthday.
C．Presidents form all around the world will attend the celebration.
D．The Nelson Mandela Foundation made 18th July Mandela Day.