人体的生命活动主要受()的调节,还受激素调节的影响。
参考答案:神经系统
已知三角形的三条中位线的长分别是3、4、6,则这个三角形的周长为( )
A.6.5
B.13
C.24
D.26
In a typical audiolingual lesson the procedures are followed in the order of ()
A. imitation, recognition and repetition, pattern drills and follow-up activities
B. recognition, imitation and pattern drills, repetition and follow-up activities
C. imitation, recognition, pattern drills and repetition, and follow-up activities
D. recognition, imitation and repetition, pattern drills and follow-up activities