How does the man think about his major?/imgcache/attached/media/20140228/20140228171249_8980.mp3
A. He loves it.
B. He hates it.
C. He WantS to learn mathematics as his major.
D. He regrets choosing medicine as his major.
查看答案
电兴奋疗法是综合应用()。
A. 强感应电流和强断续直流电流
B. 强感应电流和方波电流
C. 三角波电流和直流电流
D. 强感应电流和三角波电流
E. 方波电流和直流电流