OCT与B超相比,优势在于()。
A.非接触性检查
B.受屈光间质影响更小
C.形成类似视网膜病理切片的伪彩图
D.更高的分辨率
E.以上均是
参考答案:A, C, D
The young pianist is very excited because the concert given by him has never been ________.[ ]
A. successful
B. more successful
C. most successful
D. the most successful
切口裂开再缝合后拆线的时间是
A.1~2dB.3~5dC.7~9dD.12~14dE.18~21d