在某校“我的中国梦”演讲比赛中，有9名学生参加决赛他们决赛的最终成绩各不相同．其中的一名学生想要知道自己能否进入前5名，不仅要了解自己的成绩，还要了解这9名学生成绩的____ （从“众数、方差、平均数、中位数”中填答案）

    When 4-year-old British royal family member Prince George started his first day of school in September, Chinese language was on his curriculum（课程）.

    And he wasn't alone. According to a report published by the British Council in September, about 51% of UK parents want their children to learn Chinese, as it's believed to be one of the most useful languages to know.

    In fact, the UK isn't the only country showing a growing interest in Chinese. In the USA, the language has become the second most spoken foreign language this year, after only Spanish, with over 2.million speakers, according to a survey by a US financial news website.

    So far, 67 countries and regions have included Chinese in their national curriculum, reported the China news website.

【写作内容】

⒈用约30个单词写出上文概要；

⒉用约120个单词发表你的观点，内容包括：

⑴简要分析“汉语热”的原因（2-3点）

⑵谈谈作为一名中学生，你应当怎样做才能更好地迎接“汉语热”。

将鱼肋骨浸入10%的盐酸中，过15min左右，取出肋骨观察现象，下列说法正确的是（　　）

已知命题P：∀x∈R，e^x﹣x﹣1＞0，则￢P是（　　）

2017年是香港回归祖国20周年。20年来，“一国两制”在香港成功落实，香港经济社会发展取得显著成绩。回归20周年是一个重要的里程碑，继往开来，香港的发展将面临更多新机遇。下列对这些新机遇表述正确的有（    ）