问题
单项选择题 A1/A2型题
关于比色过程的某些细节,以下说法正确的是()
A.进行牙体预备之后进行比色效果较好
B.天然牙面及比色板牙面要吹干
C.比色前医生眼睛先注视浅黄背景物体数秒钟
D.对比色结果无十分把握时,应选用比同名牙或相邻牙明度偏低、色彩偏淡的比色片
E.以上说法都正确
答案
参考答案:D
关于比色过程的某些细节,以下说法正确的是()
A.进行牙体预备之后进行比色效果较好
B.天然牙面及比色板牙面要吹干
C.比色前医生眼睛先注视浅黄背景物体数秒钟
D.对比色结果无十分把握时,应选用比同名牙或相邻牙明度偏低、色彩偏淡的比色片
E.以上说法都正确
参考答案:D
根据句意,用方框内所给单词的适当形式填空。(每小题1分,共5分)
小题1:I often hear them ____the piano in the room. 小题2: Teachers’ Day in the _____month of the year . 小题3:Tom fell ____in the class yesterday because he was very tired. 小题4:—Excuse me ,what’s the price of these ___? —Six yuan a kilo . 小题5: I think Sally will be the ____of the English competition in our school. |