皮皮学，免费搜题
登录
搜题
【单选题】
所谓牙冠的唇面是:A.
牙齿的外面
B.
牙齿接近唇黏膜的一面
C.
牙齿靠近嘴唇的一面
D.
前牙牙冠靠嘴唇的一面
E.
前牙牙冠接近唇黏膜的一面
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We took advantage of its sports facilities staying at the hotel.
A.
although
B.
while
C.
unless
D.
until
【简答题】"Have you eaten your meal? "in Chinese is only a greeting. We must not translate it ____ in English 2. Poor as the country was, more than ninety percent of the population was ______. 3. It is ridiculo...
【单选题】We took advantage of its sports facilities staying at the hotel.
A.
although
B.
while
C.
until
相关题目：