问题
单项选择题
精索静脉曲张，左侧多于右侧的主要原因不是（）
A.左侧呈直角注入左肾静脉
B.乙状结肠压迫
C.入肾静脉处瓣膜发育不全
D.静脉壁的平滑肌薄弱
E.左肾下垂
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
精索静脉曲张，左侧多于右侧的主要原因不是（）
A.左侧呈直角注入左肾静脉
B.乙状结肠压迫
C.入肾静脉处瓣膜发育不全
D.静脉壁的平滑肌薄弱
E.左肾下垂
参考答案：E
| 阅读理解。 | ||||||||||||||||
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| A. Saturday B. Wednesday C. Monday D. Tuesday | ||||||||||||||||
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| A. Jane B. Lucy C. my D. Maria | ||||||||||||||||
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| A. a sweater and a pair of pants B. two T-shirts and a pair of socks C. a sweater and two pairs of socks D. a sweater and two hats |