视网膜渗漏
参考答案：
是视网膜血管内皮和视网膜色素上皮屏障受到破坏、染料渗入到组织间隙的结果。特点出现在造影晚期，黄斑区渗漏常表现为囊样水肿。
句型转换。
1. Mary hasn't been to Dalian. I haven't been to Dalian, either. (改为同义句)
Mary I been to Dalian.
2. Tom is the tallest boy in his class. (改为同义句 )
Tom is taller than in his class .
3. Linda hasn't been to Wuhan. I haven't been there, either. (政为同义句 )
Linda hasn't been to Wuhan. . .
4. She's been to Qingdao tw ice. ( 对画线部分提问)
has she been to Qingdao?
5. Mr. Smith has finished his work already. (改为疑问句)
Mr. Smith finished his work ?
螺旋CT的特点包括()
A．不使用滑环技术
B．扫描时X线连续发生
C．扫描时探测器间断采集数据
D．扫描时床面带动病人连续匀速移动
E．扫描时病人一次屏气可完成一个区段扫描
