肌电图所用的同芯针电极分为()
A.单芯
B.双芯
C.三芯
D.四芯
E.多导
参考答案:A, B, E
John had made up his mind to give it up, but on _________ second thought he determined to have __________ third try.
A./ ; /
B. a; a
C.the; a
D./ ; a
教育与处罚相结合政策的基本要求为( )。
A.以教为主,寓教于罚
B.教育多数,处罚少数
C.当罚则罚,罚如其分
D.以罚为主,寓罚于教