下列医学影像技术中,无创伤有损伤的检查是
A. “T”形管造影
B. 消化管造影
C. 选择性血管造影
D. 多普勒超声检查
E. MRI仿真内镜
Common browsers include __________.
A. Microsoft Internet Explorer
B. Netscape Navigator
C. Mozilla Firefox
D. Google Chrome
Each __________(页面) may contain __________(链接)(pointers) to other related pages in the world.
Pages that point to other pages are said to use __________.