9. Paris is a modern city with a long and rich history.
巴黎是一個歷史悠久的現代都市。
還能這樣說：
Paris is a modern city which has a long and rich history.
As a modern city, Paris has a long and rich history.
諺語：
History repeats itself.
歷史往往重演。
10. Whenever I visit the Sun Yat-sen Mausoleum, I will remember Sun Zhongshan's heroic deeds.
每當游覽中山陵，我就會想起孫中山先生的英雄事跡。
還能這樣說：
I will remember Sun Zhongshan's heroic deeds whenever I pay a visit to the Sun Yat-sen Mausoleum.
I will call back Sun Zhongshan's heroic deeds when I pay a visit to the Sun Yat-sen Mausoleum.
應用解析：
do the deed 產生效果；
in deed and not in name 在事實上而不在名義上
11. I can learn the national culture from visiting the places of interests.
游覽名勝古跡可以學習民族文化知識。
還能這樣說：
I can acknowledge some national culture when I pay a visit to the places of interests.
I can know something about the ethnic culture when visiting the places of interests.
12. There are many historic interests in Beijing.
北京有很多名勝古跡。
還能這樣說：
Beijing has many historic interests.
There exist lots of historic interests in Beijing.