2 . Located in Ontario, Canada, the Niagara Falls is the seventh wonder of the world and the fastest flowing waterfall in the world. When I went to tour it, I found there were some truly amazing ways to _________ the waterfall.

One way was to take a _________ to the center of the Niagara Falls. Everyone on board was given a raincoat that looked more like a garbage bag. We would need it later on when we got close to the waterfall. There were huge waves and thick mist (迷雾), although we were still far away from Niagara Falls. Inside the mist, another boat approached us. As that boat _________, we waved hello to the blue-coated _________. After a while, we were as _________ as possible to the waterfall, which was like a wall in front of the boat. The _________ here was white with huge waves that threatened (有……危险) to _________ over the boat. The _________ was so deafening that I couldn’t even _________ the person next to me shouting. __________, the boat turned around to __________ back to the dock (码头). A few minutes was enough to make this a very exciting __________.

Another __________ was to go behind the waterfall. This adventure started with everybody walking into a wet and __________ tunnel (隧道)one by one. It was __________ by several lanterns, making us see the tunnel clearly. As the tunnel came to an end, I could see that we had __________ onto a platform at the foot of the waterfall. Here, I had a good __________ of how thick the waterfall was. It was at least one meter __________.

__________ I experienced Niagara Falls, I was shocked by how __________ it was. And I look forward to taking the zip line (滑索) next time to view Niagara Falls from the sky. It will definitely be a wonderful time, too.

3 . Passion, like life, is about the journey, not the destination. Kimberly and I have been planning a trip to Europe for a year. This was a/an ______ of ours. We took our friends Frantoise and Stein Eriksen with us.

The most   ______ part of the journey started with a train ride that had some curveballs (不顺利). When we were trying to get on a   ______ from Zurich to Croatia, we had gotten the departure time wrong and had to ______ around the station to make it in time. We had a tough time finding a taxi to ______ it to the ship. We finally found a taxi and arrived an hour late. ______ , they waited for us.

Once we got onto the ship we ______ it was not like a large hotel with great service. It was tight quarters. The bathroom was very ______ . The shower was a spout (喷头) connected to the bathroom sink. You ______ it on and sprayed yourself, along with the rest of the room.

The week-long ship ride was full of ______ . There were people from different nationalities speaking different languages. We stopped on islands of all sizes. We bicycled 30-40 kilometers. Then there were high winds-so high that the buses couldn’t ______ because they might blow over. So we took an expensive taxi, and ______ back to make our flight home.

While we loved the more predictable parts of the trip, our real passion was in the ______ —the missed rides, the ______ ship, the mixture of cultures, and even the ______ .

Sometimes people are so ______ it scares them to do something different. ______ when they do get out of their comfort zone, the different experiences they once thought were ______ are what stand out. Mixing things up, trying new things, seeing something through another person’s eyes, being ______ to adventure—this is how you create ______ .

4 . Have you ever flown on an airplane? Before you left, you______everything you would need for your ______ in a suitcase. Most suitcases that travel on an airplane have to be ____ in special areas away from the passengers. It helps keep the plane _____. This also frees up more room for passengers and makes them more______.

While you were flying in the airplane, you might have had _____looking out of the window or listening to music. Your suitcases, though, didn’t get the same______. Where had they gone? Most airports have baggage handling(处理) systems that______your baggage during your trip.

The systems differ from airport to airport, but baggage handlers have three______jobs. First, they move your baggage from the check-in area to the ____ you’ll be catching. Then your baggage ____ sit with all the other passengers’ baggage in certain areas of your airplane. Second, if you have to ____ airplanes somewhere during your trip, your baggage will be moved to the new airplane you are going to ____ . Finally, they will move your baggage from the airplane to a ____ area at your final destination.

Of course, the systems must make sure baggage travels to the ____ airplanes. Even so, mistakes happen every day. Sometimes, baggage may ____ their airplane. When this happens, they may be found ____ and sent on the next available airplane. Some baggage, though, gets ____ for longer periods of time and may end up in off-site storage facilities(异地仓储设施点). Baggage that can never be ____ to their owners may be given away to charity ____ they can be sold at special auctions(拍卖会).