皮皮学，免费搜题
登录
搜题
【简答题】
接口（interface）是指只含有公有抽象方法的类。这些方法必须在（）中被实现。
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】The writer suggests that there is no sense in buying the latest volume ______.
A.
because it is not worth the price.
B.
because it has fewer entries than before.
C.
unless one has all the volumes in his collection.
D.
unless an expanded DNB will come out shortly.
【简答题】There is no sense in ______ important decisions ______ inexperienced people． 让没有经验的人做重要决定是没有道理的。
【单选题】There is no sense in ________ important decisions to inexperience people.
A.
owing
B.
leaving
C.
sending
【简答题】There is no sense in ____important decisions ____inexperienced people.
相关题目：