White infarct and red infarct

1、心肌梗死（myocardial infarction）

心肌梗死（myocardial infarction）

2、An orange and white buoy indicating a

An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）AOpen-faced diamondBDiamond with a crossCCircleDSquare

3、环状梗死(circumferential infarction)

环状梗死(circumferential infarction)

4、A buoy having red and green horizontal

A buoy having red and green horizontal bands would have a light characteristic of（）.Ainterrupted quick flashingBcomposite group flashingCMorse (A)Dquick flashing

5、出血性梗死(hemorrhagic infarct)

出血性梗死(hemorrhagic infarct)

6、心肌梗死(myocardial infarction)

心肌梗死(myocardial infarction)