第三部分：阅读理解（共20小题；每小题2分，满分40分）
阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
On the evening of June 21, 1992, a tall man with brown hair and blue eyes entered the beautiful hall of the Bell Tower Hotel in Xi’an with his bicycle. The hotel workers received him and telephoned the manager, for they had never seen a bicycle in the hotel ball before though they lived in “the kingdom of bicycles”.
Robert Friedlander, an American, arrived in Xi’an on his bicycle trip across Asia which started last December in New Delhi, India.
When he was 11, he read the book Marco Polo and made up his mind to visit the Silk Road. Now, after 44 years, he was on the Silk Road in Xi’an and his early dream were coming true. Robert Friedlander’s next destinations(目的地) were Lanzhou, Dunhuang, Urumqi, etc. He will complete his trip in Pakistan.
1. The best headline (标题) for this newspaper article would be ___________.
A. The Kingdom of Bicycles B. A Beautiful Hotel in Xi’an
C. Marco Polo and the Silk Road D. An American Achieving His Aims
2. The hotel workers told the manager about Friedlander coming to the hotel because ___________.
A. he asked to see the manager
B. he entered the hall with a bike
C. the manager had to know about all foreign guests
D. the manager knew about his trip and was expecting him
3. Friedlander is visiting the three countries in the following order, _________.
A. China, India, and Pakistan B. India, China, and Pakistan
C. Pakistan, China, and India D. China, Pakistan and India
4. What made Friedlander want to come to China?
A. The stories about Marco Polo. B. The famous sights in Xi’an.
C. His interest in Chinese silk. D. His childhood dreams about bicycles.
可求得NH4+为0、NCl3为1，价层电子对数分别为4、3，则轨道杂化形式均为Sp3，但微粒形状分别为正四面体和三角锥形。