可摘局部义齿的组成下列哪项除外()
A.基托
B.基牙
C.固位体
D.连接体
E.人工牙
参考答案:B
生活中的下列物品,用有机合成材料制作的是( )
A.景德镇瓷器
B.不锈钢餐具
C.塑料洗衣盆
D.铝合金门窗
Though having lived abroad for years, many Chinese still _________ the traditional customs.
A.perform
B.support
C.possess
D.observe