【判断题】【消耗次数：1】
开集都是可测集.
①
正确
②
错误
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
30. -Would you like to have tea or coffee? - ____.
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Either will do
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Neither do I
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It doesn’t matter
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Yes, please
【单选题】
While
reading the newspaper, ____.
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a
colorful advertisement caught my eyes
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my attention was attracted by an advertisement
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I
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Although she was frightened, she answered with a ____ voice.
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quiet
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silent
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still
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calm
【单选题】
Neither Sandynor her brother ____ the concert.
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is going to
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are going to
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are going to go
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is go