将人工牙翻至上半盒，义齿其他部分包埋固定在下半盒内的装盒方法称（）
A.整装法
B.分装法
C.混装法
D.分装或混装
E.分装或整装
参考答案：C
看图，选词填空。
1. Look at my hair. It's _____________ and black. [ ]
A. short
B. long
C. young
2. This is my grandfather. He has _____________ hair. [ ]
A. black
B. green
C. white
3. This is my friend. She has _____________ and _____________ hair. [ ]
A. long; curly
B. long; straight
C. short; curly
防水混凝土的变形缝施工时，对环境温度高于50℃、结构厚度大于和等于300mm的变形缝，可采用（）
A.中埋式橡胶止水带
B.2mm厚的紫铜片
C.3mm厚的金属止水带
D.3mm厚的紫铜片
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