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问题 单项选择题

对精子肉芽肿的镜下描述错误的是（）

A.早期以中性粒细胞渗出为主

B.是精子溢出后引起的化脓性炎症

C.组织细胞和上皮样细胞围绕精子形成肉芽肿性炎

D.巨噬细胞的胞质内可见金黄色色素

E.晚期发生纤维化

答案

参考答案：B

填空题

根据括号内的汉语提示，完成句子。

1. We miss Mr. He who ______ (教) us Chinese last year.

2. Have you ever ______ (回绝) to meet your net-friend?

3. Thanks to the government, it ______ (提供) us desks and textbooks every year.

4. Linda, one of my ______ (邻居) said she would never buy the Japanese products.

5. I can't find my backpack. I think I ______ (落下) it during the concert last night.

6. Please be careful while walking ______ (楼下).

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单项选择题

肺动脉高压各项X线诊断指标中，下列哪项最常见（）

A.右下肺动脉干≥15mm

B.肺动脉段突出≥3mm

C.肺动脉圆锥高度≥7mm（右前斜位）

D.肺门残根状改变

E.右心室肥大
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