随教龄的增加,教员的个人教学效能感变化的趋势是? With the increase of age, personal tea

随教龄的增加,教员的个人教学效能感变化的趋势是? With the increase of age, personal teaching efficacy of instructor is trend?

A.增加 Increase

B.降低 Derease

C.不变 Not change

正确答案是A