3 . When I was a college student, I did a lot of travelling abroad. That was because a professor_______me to do so. She said, “Now it is the time for you to travel around the world,_______your knowledge through actual experiences and have fun.” I_______her. Since I started to work for a_______company, however, I have done most of my travelling through the Internet. By using the Internet, I have seen the_______of many cities on my computer screen. And I have really made business_______too. With the help of the Internet, I have also got_______ about food in different countries.

Therefore, I was beginning to feel that actual trips were_______necessary when I happened to read a famous chef’s comment on the Internet. He said, “It is very difficult to have real Italian food in a foreign country, because we enjoy food and the_______around us at the same time. So why don’t you fly over to Italy and enjoy real Italian________?” Those words reminded me of my________advice. As information technology________, you might be able to do without making some real trips. But this also means that you will miss the various________you can get from travelling. Today there are people who________direct communication with others and spend much of their time on the Internet. It is not surprising to see a group of people________not with each other but into their microphones. It seems as if such people are________by an invisible wall. They seem to be losing out on a good chance to________and talk with other people. I do not think that they are taking good advantage of information technology. We should use information technology as a tool to make our daily ________more fruitful.

However, we should never let it________our time for face-to-face communication. Let’s make use of information technology more________, and have great fun in experiencing the actual world.

4 . British brothers James and Thomas Lindesay have spent months traveling across the Great Wall of China on foot. They ______ 3,263 kilometres, a remarkable achievement at any time.

Their ______ to complete this adventure came from their father, William Lindesay, who______ along the Wall decades ago and attracted a great deal of media attention. Born in 1956 in Liverpool, William became ______ about the Wall later in his life. In 1987, he made the ______ in China by hiking the Wall. He has committed over 30 years to the protection of the structure, and has ______ 10 books on the Wall based on his knowledge and experiences.

His action and books influenced his two sons, who now share his ______ in the Wall. In 2016, the Lindesay brothers flew drones (无人机) at many ______ along the Wall and edited video works on the ______ of the Wall, hoping to keep it safe from damage. Not ______ with merely documenting parts of the Wall, the young brothers ______ wanted to find a new way to experience the structure and finally they ______ hiking its length, following in their father’s footsteps.

The brothers’ trip was ______ than they had imagined. They met many difficulties. But______ the great wonder was life-changing, which gave them a better ______ of the structure and the history behind it.

6 . Find yourself at the doorway of any one of the countless temples or ancient buildings in China, and you may see an attractive but just piece of wall, only slightly larger than the entrance. It is Zhaobi, or spirit walls, which have a _________ history, with evidence _________ the earliest examples at more than 3000 years old.

Zhaobi can be _________ outside the entrance of a variety of buildings, and during the Western Zhou dynasty, they were _________ as a symbol of the social position. They were used for only the _________ members of society, such as the king. Seeing Zhaobi outside a building would let passers-by know that this was the house of someone of extreme _________, while also serving the _________ function of _________ as a form of privacy by blocking the _________ from any prying (窥探的) eyes. With the passing of time, Zhaobi came to play a role in fengshui, a practice which __________ achieving harmony and balance in all things. As well as __________ this spiritual protection, their location would allow energy to __________ better.

__________ further forward in time, Zhaobi became a form of expression and __________ with poetry, paintings and characters representing luck appearing on the __________. Recently many companies have __________ Zhaobi to practice the principles of fengshui, __________ that such a structure surely can bring __________ luck and wealth to their business.

It is __________ that these attractive structures give us a __________ of life at a particular time in history.

7 . Zambia is home to some of the most extraordinary wildlife. Several years ago, I decided to go there for a visit. A local person offered to be my guide, which was a great ________ for me.

One day, my guide turned off the smooth road and took me across a ________ hillside instead. We picked our way carefully when ________, a Rafflesia (大王花) popped into my view among those stones. Oh, dear! More than ________, I bent down and put my nose practically inside the flower’s core.

Nevertheless, to my surprise, it was only one of the ________ during the trip.

As I ________ the end of my trip, there was still something I had yet to see. We planned to hunt for most feared creature there, the saltwater crocodile, which can grow to a length of 6 meters or more. ________ we shone a flashlight towards the muddy shore, little sounds ________ in the darkness as if something unseen underwater had broken the ________. Taking a second look, we spotted two greedy eyes just ________ the water line. As we drew near, it moved and we saw clearly it was a crocodile. With great caution, we neared it and finally could ________ its true dimensions. It was a baby — no more than 0.6 meter long. Aha, whatever, I could now report to the ________ back home, who had never been to Zambia, that I had ________ a hungry crocodile in the wild and lived to tell the tale.

The world out there is so ________. Don’t let work ________ your life. Why not step outdoors and enjoy the wonders nature offers to you?

9 . When you measure the distance between towns on foot, and walk to places that you thought could only be reached by car, it will change your mind.

I live in the suburb north of San Francisco, and _________is considered the main transportation for most people here. I still remember how _________ I was when I first learned to drive. While driving with music gently _________my heart, I was filled with joy. However, as time went by, that excitement _________. I feared driving, and felt worried and upset. Everyone seems to be in my way especially when I am in a _________. One night, a deer ran out from the dark, knocked against my moving car, and_________ across the street. I didn’t dare to get out of my car to see her. Crying on the _________, I hated my car.

When I joined the 21-day mindful walking _________, I began to walk with a mind. During the walking days, I smiled at every stranger _________ by me. I walked to the streets that I __________, would not pass through and __________ a tiny free library on the sidewalk. I began to__________ if I had really lived in this town all these years. It’s a completely __________ town that I know so little about!

I felt deeply __________ for the walking challenge. Maybe I will set foot on far lands again, yet I know the __________ is right here and right now.

10 . Ciudad Perdida, Colombia’s “Lost City” is older than Machu Picchu. There are no trains or buses allowing of ________ travels to reach its ruins. The remote place is only ________ on foot: a tiring multi-day hike.

Despite this, I couldn’t ________ the opportunity to visit Ciudad Perdida. Twelve other hikers and I went there in ________ with a licensed guide. The dirt path, which ________ through towering palms (棕榈) and hanging vines (藤蔓), proved ________ right from the start. It’s recommended that hikers have good general fitness, as the journey is tough. Along the way we also met the ________. They have been cut off from the outside world for centuries and there’s a deep ________ between them and the land.

The next morning, we were off early to ________ the heat, but high temperatures and muscle pain had already ________ by the time we reached the final stage—1,200 stone steps to ________After finally lifting my painful body up the long flight of stairs, my eyes rested on scenery that had ________ the backbreaking journey: Ciudad Perdida.

I looked down and ________ at the beautiful site below. We were among a handful of other groups visiting, which seemed like nothing compared to other crowded tourist attractions. While the return trip included overcoming the mental barrier of having already achieved our goal, the experience is the one I would do ________. It is the difficulty that makes the journey a more ________ one. Earned views are always better.