第16题: [单项选择]You enter configuration mode with the configure command. You need to abort the changes that you have made and start again with a fresh copy of the active configuration. Which command should you use?() A. rollback 0 B. load active C. reset config D. clear candidate config 参考答案:A
第25题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard. A. The dinosaurs went extinct. B. A number of meteorites crashed into Earth. C. Some animal species evolved. D. Some plants went extinct. 参考答案:A 答案解析:[听力原文] According to the woman, what happened 65 million years ago