题目:
乳腺炎的超声特点是()。
A.乳腺内回声增强、分布不均、边界清
B.乳腺内回声增强、分布不均、边界模糊欠清
C.乳腺内回声中等、分布不均、边界清
D.乳腺内回声减低、分布均、边界模糊欠清
E.乳腺内回声减低、分布不均、边界清
答案:
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We usually have the out-of-class activities from 4:50 to 5:50 p.m in the afternoon. There are many kinds of activities. We can read books in the reading-room and pla...