3 . When I was 25 years old, I had a big dream in my mind and lots of things in my backpack. I wanted to travel around Africa with my _______. So I left my hometown with great confidence and _______ in Cape Town on a one-way ticket, not really sure what to do next.

_______, before my trip actually started, I met a kind, old Nigerian man. He gave me the best travel _______ I ever received: “Be like a student on your way around the world.”

It sounds _______, but it really changed my mind about travelling. He helped me _______ that travel is about learning and observing different _______. “It’s far too easy to go into a new country for you and believe your ways are better. But if you study, ask questions, and try to learn from the locals, you’ll have far richer _______, ” he promised me.

On other trips _______ I was on my tour way to Cancun, I didn’t know the man so I was just a ________. I only stayed there for a week to see the sights and places of interest and then left. The culture didn’t ________ me. I left the cities and towns without really knowing anyone or anything. Those people and things ________ in those very places to which I had ________ a visit.

This time, I promised myself that I would be a ________ student traveller. After seven months of ________ travelling from Cape Town to Cairo, I returned home. Having a student-like attitude helped me learn a lot. This trip satisfied me more than any other trip ever did to me.

In 1930, a young African American, Vivien T. Thomas, a professional carpenter, was hired as a lab assistant by a famous white doctor named Dr. Alfred Blalock. Although he _______went to college, he had an enormous _______to learn and explore the power of knowledge. Whenever Dr. Blalock left his office, young Thomas used to _______ study the medical books on the shelves of the office.

Thomas _______ a great interest in learning more and more about _______ when he started to assist Blalock during his practice of surgeries on dogs. _______ Dr. Blalock understood Thomas’s ability to help him perform a complicated surgery; he still did not _______ Thomas as a smart person because of the social _______ of prejudice towards African Americans.

Dr. Blalock wanted to _______ to believe that Thomas was just a (n) ________ by profession and a lab assistant. Employees, white or black, at the hospital could not ________ that an African American, Thomas, could run the lab. He was the ________ and thus a history maker.

In those days, the society expected that black people were ________to be janitors (管理员). Despite this reality, Thomas’ cleverness, perseverance, and passion had ________ a need in Dr. Blalock’s mind. Thomas ran John Hopkins Hospital’s surgical (外科的) lab ________ Dr. Blalock. At the time, all other ________ employees in the hospital were janitors. Dr. Blalock and Thomas became a ________ and conducted a joint research that ________ the first heart surgery performed at John Hopkins University Hospital in 1941.

Many years later, Thomas’s contribution was ________ and he was eventually awarded an honorary doctorate, for his creative work in the ________ procedures of modern cardiac(心脏病的) surgery. As he became Dr. Thomas, he also inspired and lifted the confidence of the future generation. He used his knowledge for the betterment of humankind.