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【单选题】
下列说法中错误的一项是______。A.
同一个对象可以监听一个事件源上的多个不同的事件
B.
一个类中可以同时出现事件源和事件处理者
C.
一个类可以实现多个监听器接口
D.
一个类只能实现一个监听器接口
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反馈参考答案：
举一反三
【单选题】送礼要选择合适的礼品,投其所好是首要原则,还应该考虑对方的()
A.
经济状况、性别、年龄、
B.
年龄、身份、经济状况
C.
禁忌、性别、身份
D.
地位、经济状况、年龄
【简答题】阅读理解。 There were smiling children all the way. Clearly they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】You will hear a recorded passage. After listening to it complete the answer to it with a word or a short phrase. 1). What is an ordinary but necessary job for secretaries in office work? ____________ ...
【简答题】阅读理解。 There were smiling children all the way. Clearly they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】阅读理解。 There were smiling children all the way. Charily they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】阅读理解。 There were smiling children all the way. Charily they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】Choose the words or expressions and complete the passage: When I was a young child, my parents often told me that a positive ( 积极的 ) heart brought a man everything. I didn ’ t understand and wondered ...
【简答题】Activity 5 Watch Part 2 again and complete the sentences. I met Phyllis Stein, a ____________________. She showed me how to prepare for an interview by _____________. I don't think that you should go ...
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