Sometimes the _________is more expensive than the present itself.
查看答案
The _________we pay for the garbage we produce is really too high.
Many people would like to lead a ________________ than they do but then can not.
The amount of ________ produced is different from the country to country.
铸造金属全冠牙体制备时牙合面应磨除
A. 0.8～1.0mm
B. 0.3～0.5mm
C. 1.2～1.5mm
D. 0.6～0.7mm
微信支付 
支付宝支付