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问题 单项选择题

45岁，男性，颈部渐进性增大包块，CT增强扫描如图所示，请选择最可能诊断（）

A.颈部肿大淋巴结

B.颈动脉夹层瘤

C.神经鞘瘤

D.颈动脉体瘤

E.甲状腺癌

答案

参考答案：D

选择题

It was _____ computer games that cost the young man a lot of precious time that he ought ____ on

his lessons.[ ]

A. to play, to be spending

B. playing, to spend

C. played, to have spent

D. playing, to have spent

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解答题

扇形也是轴对称图形．______（判断对错）
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