切分音
参考答案：
一个音由弱拍延续至下一个强怕，或由弱位延续至下一个强位，使其弱音变为强音，从而改变拍子正常规律的音叫切分音。
影响全口义齿固位的因素有（）
A.唾液的黏稠度
B.义齿的磨光区形态
C.颌骨的解剖形态
D.基托的边缘的伸展范围
E.人工牙排列的位置
II. Choose the correct answers after reading the passage.
1. What did the group do first in the morning? They .
A．went into the forest slowly
B．left the chimp family sleeping in a tree
C．observed the family of chimps wake up
D．helped people understand the behaviour the chimps
