心主血脉的功能是否正常，可以从四个方面进行观察：脉、面、舌及（）的感觉
参考答案：
胸部
— What made Professor Liu thunder in the classroom yesterday?
— A student's interrupting his speech _____ the burst of his anger.[ ]
A. set up
B. set out
C. set about
D. set off
急性出血导致病人明显休克时，提示失血量占总血量的
A．5%～10%B．10%～20%C．20%～40%D．45%～55%E．60%以上
