与全口义齿稳定有关的因素（）。
A.咬合关系正确
B.基托面积大小
C.磨光面形态
D.人工牙排列位置
E.具有平衡鸦
参考答案：A, C, D, E
His weekend was ______. He liked it very much. [ ]
A. great
B. bad
C. boring
D. terrible
— _____ are the apples?
— They are 16 yuan.
[ ]
A. How much
B. How many
C. How
D. How old
