Liu Maodan

Twelve years old

China

Dear Xiaohong,

    You are a lovely girl. We are in the same class in the primary school. We always have a great time at school. You are my good friend. You always help me in English. Thank you very much! I will remember you forever. Good luck for the future!

Yours,

Liu Miaodan

你认为蒸汽机的发明对人类生产和生活有什么重大的意义？举几个例子，说明蒸汽机的发明有何重要性。

在分析刘邦与项羽胜负的原因时，刘邦的重要将领都武侯高起、安国侯王陵认为，“陛下使人攻城略地，所降下者因以予之”；项羽“战胜而不予人功，得地而不予人利，此所以失天下也”。这反映出（   ）