2 . It’s once again been declared the world’s most popular museum. _________, it may not be a _________ thing for the Louvre (卢浮宫) in Paris.

The museum broke its own _________ in 2018, welcoming 10.2 million _________ and claiming the top spot in the world’s most-visited museums.

But the Louvre’s uptick (小幅上升) in visitors _________ too much for many of its workers, causing _________ by reception and security staff over the number of tourists _________ through its doors.

“The Louvre is suffocating (令人窒息的),” the workers union said in a statement. “The public has increased by more than 20% since 2009, but the palace has not grown,” the union _________.

The museum was _________ on Monday and opened later than advertised on Wednesday, due to a __________ with the dissatisfied workers. Visitors have __________ outside the building throughout the week, and those without bookings have been __________.

Although tensions with its workers still __________, the museum’s bottom line is looking __________. The Louvre broke its 2012 __________ record last year, marking a dramatic __________ from a sharp downturn in visits in 2017 that was due to a sudden decrease in __________ in Paris.

The social media that are __________ about Beyoncé and Jay Z’s music __________ filmed at the museum may have contributed to that increase.

But while visitor numbers rose at the Louvre, overall attendance was relatively __________ among the top 20 museums in the world last year. Attendance grew among the top 20 by just 0.1% from 2017 to 2018.

3 . Ecotourism is a combination of ecology (the study of systems of living things) and tourism. It is defined as “responsible travel to natural areas that preserves the environment and improves the welfare of the local people” by the International Ecotourism Society. Actually, ecotourism can mean travel to far-off places of great natural beauty, but not always in a(n) _______ way. It's a big business, and the attraction of money can cause people to think about profits first. While ecotourism offers benefits to people and ecosystems, it leaves ecosystems _______ to negative effects, too.

Costa Rica, once a Spanish colony, and independent since 1821, has an ecotourism industry worth over one billion dollars yearly, and thousands of jobs have been _______. Nearly 21 percent of the land is now protected national parks, _______ thanks to ecotourism. Nevertheless, due to the number of people visiting the country's natural places, some damage to the ecosystem has occurred.

While tourists can have a negative impact on ecosystems, the same areas might have been _______ by industries such as farming, logging, or mining if there were no ecotourism industry. Shelters have been created instead, keeping the ecosystem protected. And, by visiting beautiful rain forests and seeing rare animals, visitors get a sense of their _______, and of gratitude for them. Tour guides can also be educators who train people to love and care for the environment. Visitors can take these lessons with them to their home countries.

Unfortunately, while their effect may not be _______ in the off-season, the constant parade of visitors in the high season can be damaging. At one national park in Costa Rica, wild monkeys now feed on garbage left by the tourists. In addition, ecotourists tend to seek out places with the rarest animals and plants, _______ the most delicate living things.

It is easy to be critical of the ecotourism industry, but it is important to be _______ as well. Ecotourism can never be “pure”. We can't expect zero negative effects on the ecosystem. It is also ________ to suppose that humans won't go anywhere accessible to them. If protection efforts are maintained and increased, those remaining places of undisturbed nature may be stressed, but they won't be destroyed.

4 . About 20 minutes away from River Campus, one might ______ sounds of magical flights at the mysterious Mushroom House of Powder Mills Park. The private houses, seen as the landmark of Town of Perinton, show off extraordinary architectural ______ with tree-like doors and wooden sculptured, treasure-filled mosaics, and naturalistic components in both in-side and ______ .

This odd artistic ______ has gained the Mushroom House its own official website and widespread media coverage. Since the house's ______ , it has actively been covered by many media. Much like Disney's Pixie Hollow, the Mushroom House appears to be a collection of “found” parts. The ______ starts from the underground garage to the tunnel, a reminder of the University's tunnel system, appearing the outer of the Mushroom House.

The ______ tops and inner branches of the Mushroom House are in good condition, ______ to aha old mushrooms found in a backyard. But the different types of glass, with their unique shapes and materials, used to build walls of the Great Room and the master bathroom lend the inside a colorful personality. Though ______ the curved (曲线) of the ceilings in all four mushrooms create acoustics (音响效果) that its website ______ that of Carnegie Hall in New York City. ______ builders Peter Strong and William Ash ton, the four 80- ton Mush-room House were built from models on the ground. The outside Mushroom House was then ______ with works of art, including fashionable lighting and handmade bricks, hobbit-like doors, tree and ______ sculptured, sand-molded walls and ceilings, custom wood furniture, and iron failings.

These works of art were all designed and ______ by local artists. Though this seems like a dream, it ______ a sweet past.

5 . When I was 25 years old, I had a big dream in my mind. I wanted to travel around Africa with my _______. So I left my hometown with great confidence and arrived in Cape Town, not really _______ what to do next._______, before my trip actually started, I met a kind, old Nigerian man. He gave me the best travel tips I had ever received. “Be like a(n) _______ on your way around the world.”

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

On other vacations, ________ I was on my tour way to Cancun, I was ________ a tourist. I only stayed there for a week to see the sights and place of interest and then left. The culture didn’t ________ me. I left the cities and towns without really knowing a anyone or anything that existed (存在) in those places to which I had paid a visit.

This time, I promised to myself that I would a ________ traveler. After seven months of ________ backpacking in Africa from Cape Town to Cairo, I realized that having a student-like mindset (观念模式) helped extend my trip and helped me learn a lot, which ________ me more than any other trips ever did to me.

6 . My journey to isolation (隔离) was somewhat accidental.

I saw an advertisement for a job as a leader for an expedition (探险) to Antarctica-and I have to_________it was the penguin in the ad that_________my attention. The ad noted that they were looking for someone to lead a_________of expeditioners in one of the most_________and isolated places on the planet. I took part in an_________and then got a job that I knew I would regret if I didn’t_________it. Leading 18 strangers for a full year-through months of darkness and with no_________from the freezing cold -----I learned some_________lessons.

After the journey, I wrote two best-selling books and became a motivational speaker. Being in isolation meant I had to do lots of self_________.I kept a__________, and every day I would think__________of how I had operated as a leader. That discipline of__________myself taught me how to tell right from wrong.

I often think back to__________I saw the picture of the penguin that__________me to look at the ad for the job. It’s a moment that__________my life completely.