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　“A 66-year-old grandmother has become the first elderly woman to bike a distance of 40,000 kilometres,” the Henan Daily reports．

　For seven years, Li Ailan biked through all of the country's 21 inland provinces and five autonomous regions （自治區(qū)）and three municipal cities．

　Li is a retired middle-school teacher in Zhengzhou City, Henan Province．

　In her 40 years of teaching, she had suffered from various illnesses．All seemed to have disappeared, however, during her biking journey．

　Since July of 1986, Li has biked alone seven times, even on the mighty（浩大 的）Qinghai-Tibet Plateau（高原）．In April 1993, she took her six-year-old grandson with her through Beijing, Changchun, Tangshan and Beidaihe．

1．This passage is taken from ________．

[　　]

A．a book

B．a novel

C．a newspaper

D．Li's diary

2．Which of the following is wrong?　　　

[　　]

A．Li is the oldest woman who has biked a distance of 40,000 kilometres．

B．None has biked a distance of 40,000 kilometres．

C．Li gave up teaching in 1996．

D．Li has biked eight times since 1986．

3．She began her teaching ________．

[　　]

A．in 1954

B．when she was about twen ty

C．at the age of twenty-six

D．forty years ago

4．When she taught in a middle-school, ________．

[　　]

A．she was very strong

B．she often felt tired

C．she often travelled to some places by bike

D．she was often ill

5．Which title best gives the main idea of the passage?　　　

[　　]

A．Elderly Biker

B．Teacher and Grandson

C．Life After Retirement

D．A Traveller