A. 对 B. 错
A. a bleeding B. a blockage C. the nutrient
A. hemorrhagic stroke B. ischemic stroke C. bleeding stroke
A. 24 hours B. 12 hours C. 6 hours D. 3 hours or less
A mini-stroke. B. A temporary interruption of blood flow to the brain. C. A serious warning attack which may lead to a complete stroke. D. All of the above.