皮皮学，免费搜题
登录
搜题
【单选题】
关于椎动脉闭塞性疾病哪项是错误的A.
椎动脉狭窄和闭塞多继发于动脉粥样硬化和大动脉炎
B.
椎动脉狭窄和闭塞好发于椎动脉起始部
C.
二维超声可见椎动脉管壁增厚，内膜粗糙，常伴斑块形成
D.
椎动脉狭窄时彩色多普勒血流显像可见，血流变细，色彩紊乱
E.
椎动脉狭窄时脉冲多普勒频谱可见血流速减慢，频带变窄
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】This kind of desk can be _______ to the height you need. Besides, it is not expensive at all.
A.
adopted
B.
adjusted
C.
addicted
D.
adapted
【单选题】The earliest kind of desk was a box that had a sloping lid, under which there was storage space for writing materials.
A.
a sturdy
B.
a polished
C.
an inclined
D.
an adaptable
相关题目：