A. 高血压病Ⅰ期 B. 高血压病Ⅱ期 C. 高血压病Ⅲ期 D. 高血压脑病 E. 急进性高血压
A. 对 B. 错
A. Its not as hard as expected. B. It’s too tough for some students. C. It’s much more difficult than people think. D. It’s believed to be the hardest optional course.