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问题
单项选择题
下列哪项不是视网膜母细胞瘤的常见CT表现()
A.位于眼球壁上
B.肿瘤内团块状钙化
C.肿瘤密度较低
D.肿瘤增强明显
E.肿瘤可向眼球外膨出
答案
参考答案:
C
选择题
She _____ her hairstyle in her hometown before she came to Chongqing for a better job.
A. would change
B. has changed
C. changed
D. was changing
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问答题 简答题
生物因素
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