问题
单项选择题 A1/A2型题
关于骨软骨瘤的临床特点，下列正确的是（）。
A.骨软骨瘤又称外生骨疣，是儿童期最常见的良性骨肿瘤
B.最常发生于股骨下端和胫骨上端，其次为肱骨上端，单发多见
C.CT对其诊断有较大帮助
D.为局部渐行增大的骨性无痛性包块，刺激或压迫周围组织可引起疼痛
E.以上都是
答案
参考答案：E
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关于骨软骨瘤的临床特点，下列正确的是（）。
A.骨软骨瘤又称外生骨疣，是儿童期最常见的良性骨肿瘤
B.最常发生于股骨下端和胫骨上端，其次为肱骨上端，单发多见
C.CT对其诊断有较大帮助
D.为局部渐行增大的骨性无痛性包块，刺激或压迫周围组织可引起疼痛
E.以上都是
参考答案：E
Norman Bethune is one of China’s most famous heroes, but he wasn’t Chinese—he was Canadian. He gave his life to helping the Chinese people Norman Bethune 1 born in 1890. He became a 2 in 1916, and he went to the front to look after injured soldiers in the First World War. He saw many soldiers die in the war. Later he invented new treatments to 3 soldiers, and medical tools to use outside hospital. In 1938 he came to treat the Chinese soldiers in the mountains north of Yan’an. There were 4 doctors, so he had to work very hard. He opened hospitals to give treatment to local people and soldiers, and to train doctors and nurses. He also wrote books so that doctors could learn about new treatments. Dr Bethune worked very hard without stopping to 5 . Once, he preformed operations 6 69 hours without stopping, and saved 112people. He 7 working in spite of cutting his hand during an operation. In the end, he died because he did not take care of his 8 . Dr Bethune’s work with the Chinese soldiers made 9 a hero in China. There are books and films about him, and he is 10 remembered in both Canada and China.
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