Vienna (维也纳) is a beautiful old city on the river Danube. It's the centre of European (欧洲的) classical music. From 1750 a lot of composers and musicians came to study and work in Vienna. The most famous family of musicians was the Strauss family.

    There were two composers called Johann Strauss: a father and a son. The father, Johann Strauss the elder, wrote and played music for a classical dance—a waltz(华尔兹). His waltzes made him famous all over Europe.

    The son, Johann Strauss the younger, was even more successful and popular than his father. His most famous waltz was The Blue Danube. He wrote it in 1867. Strauss and Mozart were two of the most important composers.

    Mozart was born in Austria in 1756. Before he was six he played not only the piano, but also the violin. He wrote his first opera (歌剧) at the age of 12 and hundreds of beautiful pieces of classical music. But he died in 1791 when he was only 35. Some people say he was the greatest European composer.

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3). 推荐一个你认为最值得参观的古迹，并说明原因。

注意：

1). 词数100左右；

2). 可适当增加细节，以使行文连贯；

3). 开头和结尾已给出，不计入总词数。

Dear Lucy,

    I learned about your travel plan from your email.

    Best wishes!

Yours,

Li Hua

将正面分别标有数字 1、2、3、4 的四张卡片（除数字外其余都相同）洗匀后，背面朝上 放置在桌面上，随机抽出一张记下数字后放回；重新洗匀后背面朝上放置在桌面上， 再随机抽出一张记下数字.如果两个数字之和为奇数，则小明去；如果两个数字之和 为偶数，则小亮去.