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【简答题】
friendship, few of us deliberately want them to . On the contrary, we want our friendships not merely to , but to . Yet, much we value friendship, sometimes we do drift from one another. Without noticing it we may fail to enough time and effort in maintaining our relationships. If we them in this way they be damaged. And once the damage is done, it is often hard to the friendship.
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皮皮学刷刷变学霸
举一反三
【单选题】乳牙龋的常见类型是
A.
急性龋、干性龋、环状龋
B.
慢性龋、静止性龋、奶瓶龋
C.
急性龋、环状龋、奶瓶龋
D.
奶瓶龋、干性龋、环状龋
E.
湿性龋、环状龋、慢性龋