Which of the following is not the native people in Canada
A. Eskimo.
B. Inuit.
C. Indians.
D. Maor
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酸蚀后，釉质定性微孔层的深度大约是
A. 10pm
B. 20pm
C. 30pm
D. 40pm
E. 50pm
对角对称的装盘构图方法使整盘点心显得( )。
A. 自由随意
B. 典雅而庄重
C. 古朴
D. 吉祥美好
下列印模材料中属水胶体弹性可逆印模材料的是
A. 藻酸盐印模材料
B. 硅橡胶印模材料
C. 琼脂印模材料
D. 聚醚橡胶印模材料
E. 印模膏
The U. S. government falls into three branches: the legislative, ______ and the judicial.
A. the representative
B. the democratic
C. the executive
D. the independent
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