在利用半圆法化分方向时,其取值范围为()。
A.000°~090°
B.000°~180°
C.000°~270
D.000°~360°
参考答案:B
If I find his phone number, I ______ you. [ ]
A. tell
B. told
C. will tell
D. have told
简述血管瘤的临床类型及其特点。