Ma Xu was born in a doctor’s family in 1933. She joined the PLA（中國人民解放軍）1. a doctor in 1947. She won awards because of her excellent 2.（behave）in the campaigns（戰(zhàn)役）. Later she studied in a 3.（medicine）university. In 1961, she asked to be a paratrooper（空降兵）when the army needed to organize a new group. She 4.（refuse）because of her thin body. Ma was 1.5 meters high and her weight was 5.（little）than 37.5 kg. No woman did such dangerous work before. She practiced skills and handed applications（申請）again. At last, she became the 6.（one）woman paratrooper. From 1962 to 1984, Ma jumped more than 140 times. She is the oldest woman paratrooper 7. owns the most times of jumping.

Many paratroopers hurt their ankles（踝關(guān)節(jié)）when they land. In 1983, Ma Xu began to research the problem with her husband who was also a soldier doctor. They 8.（invent）a kind of instrument that can reduce the stress of landing. In the following years, the couple finished over 100 9.（value）papers in the field.

They live a simple life, and Ma Xu’s best shoes are only 15 yuan. “10. I seldom return to Mulan County, Heilongjiang, I miss my hometown,” Ma said. “I decided to support children-studying.” They donated 10 million yuan to Mulan County. Ma Xu was chosen as China’s role model in 2018.

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