在确定固定修复体龈缘位时,必须考虑的因素是
A.牙冠外形
B.固位要求
C.美观要求
D.年龄
E.以上都对
参考答案:E
单词拼写
根据下列各句句意及所给单词的首字母或汉语提示,写出所缺单词的正确形式。
1. He e_______ ignored his wife and son for several days. (完全地)
2. The officer c the soldiers to open fire on the enemy. (命令)
3. There was a ___________ change in the weather. (逐步的)
4. The city was completely d by the earthquake.
5. His efforts were r with success.
19世纪中期,世界市场初步形成的标志有
①日本的“开国” ②中国的“门户开放”
③澳大利亚成为英国的殖民地 ④国际经济交流基本准则的确立
A.①②③
B.②③④
C.①②④
D.①③④