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【判断题】
工程优化在首期建设和后期扩容完成后进行，着重于全网性能指标的提高。（）A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Ashley Power’s mother bought a computer for her when she was eight. When she was thir, she was surfing the Internet regularly, but she couldn’t find anywhere for agers to meet and talk. And on...
【简答题】The Knave of Hearts was being tried for _______ the Queen had made.
【单选题】When did Jane Austen start to write?
A.
When she was teenager.
B.
When she was less than ten years old.
C.
When she was more than twenty.
D.
Not mentioned.
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