It was a classic night. The noisy Mexico City ________ calmed down. The main stadium of Olympic track and field competition was enveloped(笼罩) in the ________ . After he finished taking photos of the marathon winners ________ the victory, Greenspan, a world-famous news producer, found the stadium ________. He was about to leave ________ he suddenly saw a man with his right leg spotted with the blood ran into the stadium. This man ran lamely(跛脚地) out of breath, but he didn’t stop. After he ran along the track for a ________ and got to the finish line, he ________ the ground.

Greenspan guessed this was a marathon athlete. Out of ________, he went over and ask why the athlete wanted to run to the ________ with such a difficulty.

The young man, called Kowari from Tanzania, replied in a ________ voice, “That my country sent me here from over 20,000 kilometers is not to let me get off the track in the competition, but to make me ________ the game. I’ve fallen behind all other runners, I have a sacred(神圣的) goal like them. ________ the audience won’t ________ me any more, but my motherland is watching me from behind….” Tears welled up in Greenspan’s eyes. Soon, he spread the most ________ scene in the history of the Olympic Games to every corner of the world.

Life should have a dream of reaching the peak. It is not whether we can reach the top but whether we’ve made the greatest ________ that counts. To reach the goal in the mind is also a success.

Dennis Hong designs and makes human-like robots. Robots, Hong notes, are intelligent machines that do the work humans are often unable or ________ to do.

When he was seven years old, he was ________ by two robots in a movie. On the way back home in the car, he told his parents that he was going to become a(n)________. As Hong became older, he started to ________ what engineering actually is. When he was in elementary school, he ________ math. He got all A’s in science, but his math result was really ________. His father told him that engineers solve problems in the world by using science as a ________ and mathematics as a language. Even though he disliked math, he realized that he had to study it harder to follow his ________ of becoming an engineer.

Hong thinks ________ come from everywhere and at any time. His three-legged robot STriDER is a fantastic ________. Once, he saw an elderly lady dealing with her ________. She had three strands (股) of it, and then put one strand through the other two. ________, the hair started to look like legs for Hong. He ________ designing STriDER after braided hair.

Hong said that people on social media are eager to see his successes, not the ________ that came before them. However, if the robot doesn’t fall or ________, he doesn’t get to learn anything.

I'm about to begin my fifth season of tree planting. Each year, around this time, I have ________feelings about the job. Never have I ________a job so much while hating it with equal ________. Before a season, after living in the coziness (舒适) of my home for the winter months, I begin   to________for the challenges of life in the bush.

I mainly plant trees on the coast of British Columbia and get paid between 25 and 45 cents a tree. The job can be ________ : it gives planters the opportunity to ________ a roaming (漫游的) lifestyle, and also allows them to ________ their bank accounts. But there are many challenges.

In the early hours of the morning, we join our teams and travel along ________ roads deep into the ________ . When stepping out of the trucks, often in the pouring rain, we fill our bags with hundreds of tiny trees. Having done the job together for some years, many________ tree-planters treat this more like a sport than a job, and ________ fills the air.

Once our bags are full, we ________ forward without hesitation. We jump from log to log (原木，木头). We push through thick bushes. We constantly ________ and rise to our feet ________, always pushing ourselves to go faster.

While planting trees, I am ________ someone else, a self I thought I ________ . It is a person I try to live in ________ with in those bushes, during those strange days of isolation and deep thinking.

Tree planting is really exhausting but it is a process of self-examination and ________. You master your mind, confronting the worst and the best in your ________ pushing yourself as hard as you can. A(n) ________ version of yourself awaits at the end of the experience.