问题
单项选择题
某大学生,入学体检心率68/min,心律规整,无杂音,心电图提示:P-R间期0.22,应考虑为()
A.三度房室传导阻滞
B.一度房室传导阻滞
C.室内传导阻滞
D.二度房室传导阻滞
E.正常心电图
答案
参考答案:B
某大学生,入学体检心率68/min,心律规整,无杂音,心电图提示:P-R间期0.22,应考虑为()
A.三度房室传导阻滞
B.一度房室传导阻滞
C.室内传导阻滞
D.二度房室传导阻滞
E.正常心电图
参考答案:B
用所给词的适当形式填空,其中有两项多余 | |
the 1 for being ill. It's especially (尤其) important 2 your hands often during this time of year when germs 3 flu, colds and diarrhea (腹泻) to spread (传播) 4 by touching other people, furniture and equipment. Remember, clean hands can keep you 5 , so clean them often! 1._______ 2._______ 3._______ 4._______ 5._______ |