下列关于等温线的判断，正确的是（　　）

操作方法：先从盒中摸出8个球，画上记号放回盒中，再进行摸球实验，摸球实验的要求：先搅拌均匀，每次摸出一个球，放回盒中，再继续．

活动结果：摸球实验活动一共做了50次，统计结果如下表：

推测计算：由上述的摸球实验可推算：

函数$f\left(x\right)=x^3+x-3$的实数解落在的区间是（    ）

    “If you agree with me，please Dianzan.”Do you know Dianzan is one of the most popular words on the Internet？When you think someone's ideas are right，when you think someone's articles are 1，or when you are moved by what someone writes，you can

    click （点击）the praise sign. Anyhow，clicking the praise sign 2that you agree with someone or praise someone.

    Dianzan is a kind of Chinese Internet language.People 3 use it when they surf the Liternet.There is a function（功能）of Dianzan in the QQ space.The QQ space has had the function 42010.It didn't become very popular until Sina blog（新浪博客）5the function of Dianzan.In recent years，it has become more and more popular.When the 2015 New Year came，Chinese leader Xi Jinping used the word Dianzan to praise and 6his thanks to the great Chinese people.

    Websites can know how many people support some ideas 7counting how many people click the praise sign.Experts can know 8teenagers are caring about through what they click the sign for.That can help them solve teenagers'9.

    Clicking the praise sign is really a（n） 10thing.Have you ever clicked the sign for anybody on the Internet

《闻王昌龄左迁龙标遥有此寄》一诗中表达诗人对友人的关心的两句诗

是：____ ，____。