问题
选择题
To be healthy, we should eat _____ fruit and vegetables and _____ meat.[ ]
A. less; more
B. more; less
C. more; more
D. many; little
答案
答案：B
搜题请搜索小程序“爱下问搜题”
To be healthy, we should eat _____ fruit and vegetables and _____ meat.[ ]
A. less; more
B. more; less
C. more; more
D. many; little
答案：B
缺失，
稳固，
牙根吸收1/3。设计双端固定桥时，最佳选择为（）。
做基牙
面的牙尖斜度