在渲染效果正确话框中选择模糊的选项为()
A、File Output
B、Blur
C、Film Grain
D、Lens Effects
参考答案:B
You _____ be tired-you've only been working for an hour. [ ]
A. must not
B. won't
C. can't
D. may not
梅克尔憩室并发消化道出血的最主要原因是
A.憩室炎
B.憩室内壁存在迷生组织
C.憩室与周围肠管粘连
D.憩室黏膜溃疡
E.憩室内疝