B. The Akashi Kaikyo Bridge.

　　C. The Panama Canal.

　　D. The Grand Canyon Skywalk.

　　2. The Japanese government decided to build the Akashi Kaikyo Bridge ______.

　　A. in the year of 1955

　　B. following public opinion

　　C. to show its national power

　　D. to develop Japan's economy

　　3. What do we know about the Panama Canal?

　　A. It's 77 miles long.

　　B. It's close to Manhattan.

　　C. It benefits the shipping companies.

　　D. It allows 15,000 ships to pass through daily.

　　4. The Grand Canyon Skywalk is probably a real challenge for those who _____.

　　A. are airsick

　　B. hate rock climbing

　　C. have a fear of heights

　　D. feel ill travelling in boats

　　5. This text is mainly about ______.

　　A. unique construction techniques

　　B. some well-known tourist attractions

　　C. the maintenance of some constructions

　　D. mankind's greatest engineering achievements

When Charles Lee handed me the small red notebook in 1974, he changed my life. "While you are traveling, you should make notes of things you see and do," he explained.

　　I was 20 years old, a junior in college, spending a term at the University of London. Charles was a retired traveling salesman. I was staying with him in his cottage in Kendal, located in the Lake District of northern England. It was a one-week homestay the university arranged for us before classes began.

　　"You are young and doing a lot of exciting things," Charles said. "It seems as though you will always remember these things, but I promise, you will forget them if you don't write them down."

　　I took his advice. I wrote in the notebook every day during the homestay. Back in London, I recorded weekend trips to Wales, Yorkshire, France, and Spain. I commented on my classes, professors, and classmates, I contrasted my life at a small college in America with my wandering through the streets of London, my introduction to life in a big city, and my initial travels outside America. I tracked ideas I had about my life and my future.

When I wrote in the notebook, I struggled with a sense of my audience and purpose. Who