2 . After accidentally sliding down the face of a steep rock wall, two tourists found themselves trapped by the edge of a deep pool in a British park. They knew they were in a(n)______situation.

Fortunately for them, five Sikh hikers who happened to be on the scene and______the incident used not only their heads but also their hats—or more______, their turbans(头巾)—to begin a pretty amazing______.

After carefully______the situation, and with no cellphone service to call for outside assistance, the group of international students ______the decision of unwinding the long turbans—their traditional headgear. They managed to fashion a 33-foot lifeline, with which they were eventually able to______the pair out of their situation.

Once the two hikers were pulled to______park officials stepped into______their condition. As neither required medical treatment, they were______with park officials’ permission and a warning to better______where they’re going next time.

Kinda and his four comrades, while more than pleased with their day’s work, were ______about their heroic action. “It was simply a(n)______of being in the right place at the right time and having the______to help,” they said. “In Sikhism, we are taught to help someone in any way we can with anything we______”Kinda said, “even our turbans.”

5 . During a recent long international trip, my youngest daughter got airsick again.

We were _______ our choices after landing in San Francisco for an overnight layover (中途停留).

When we stood in the middle of the terminal (航站楼), not only _______ how to get to our hotel, but also debating whether or not we should just turn around and go home, a pilot _______ us.

He quietly asked me if my 4-year-old daughter was the passenger who had gotten _______ on the flight. I nodded, half afraid someone was going to tell us we weren’t _______ to fly with her.

_______, he bent down to her level, opened up his bag and took out a pair of wings. While he was _______ the wings to her, the pilot kindly asked my young daughter how she was feeling. Like most kids, sometimes she is _______ about talking to strangers, but not this time. They spoke for 60 seconds, but in those 60 seconds, she went from feeling bad and _______ to walk around the airport to smiling ________ and jogging to the airport hotel.

As he walked away, she smiled and said, “He ________ about me.” My daughter is still young, but she is old enough to feel special when a pilot wants to check in on her. In that moment, the pilot was exactly the right one to make her feel better about flying. He ________ our day by taking two minutes out of his time.

It’s often the horror stories that make the headlines, but small, ________ moments are still happening all around us. I’m ________ to all in the travel industry—and beyond—that take those few minutes to make a ________ to the world.

7 . Never had a lovely sunflower been absent to my house on my birthday, since I turned 13. No cards or notes in it. Calls to the flower shop were always ______ — it was a cash purchase.

I never stopped ______ who the mysterious giver might be. Some of my happiest moments were spent daydreaming about someone wonderful but too shy to disclose his or her ______.

My mother even ______ my imaginations. She’d ask me if there was someone who I had done a special favor and then might be showing ______. As a teenager, ______, I had more fun assuming that it might be a boy I had a crush on.

When I was 17, I failed ______ in a significant test. That night when the result came. I just ______ myself to sleep. When I awoke in the morning, my mother comforted, “Don’t be discouraged! It’s not a big deal!” Yet, I remember ______ out of the house at that time, yelling... “You just don’t understand!”

One month before my graduation from high school, my father died of a heart attack. My feelings ranged from pain to ______ so that I became completely uninterested in the upcoming ceremony. But my mother, in the midst of her own grief, would deny my ______ any of those things. Before my father died, we had shopped a party dress which made me feel like a (an) ______ Cinderella. But it was the wrong size. Later I totally forgot about the dress.

My mother didn’t. The day before the dance, I found that dress, in the right size, ______ in the box to me — gracefully, and lovingly. She just wanted her child to feel loved and showed that there still existed magic and beauty even ______ hardships.

Actually, my mother passed away one week after I got married, That year the adorable sunflower stopped ______.

8 . Many cities around the world today are heavily polluted. Careless methods of production and ________ of consumer demands for environment friendly products have ________ the pollution problem. One ________ is that millions of tons of glass, paper, plastic, and metal containers are produced, and these are difficult to get rid of.

________, today, more and more consumers are choosing “green” and demanding that the products they buy should be safe for the environment. ________ they buy a product, they ask questions like these: “Will this shampoo damage the environment?” “Can this metal container be ________ or can it only be used once?”

A recent study showed that two ________ five adults now consider the environmental safety of a product before they buy it. This means that companies must now change the ________ they make and sell their products to make sure that they are “green,” that is, friendly to the environment.

Only a few years ago, it was impossible to find green products in supermarkets, but now there are hundreds. Some supermarket products ________ labels to show that the product is green. Some companies emphasize that their products are clean and safe in their advertising and have made it their main selling ________.

The ________ for a safer and cleaner environment is making companies rethink ________ they do business. No longer will the public accept the old ________ of “Buy it, use it, throw it away and forget it.” The public ________ is still here, and companies are ________ their act gradually.

9 . We have no idea what the job market will look like in 2050. It is generally agreed that machine learning and robotics will _________ almost every line of work — from producing yoghurt to teaching yoga. _________, there are conflicting views about the nature of the change and its urgency. Some believe that within only a decade or two, billions of people will become _________ redundant (多余的). Others think that, even in the long run _________ will keep creating new jobs and will provide greater future for all.

So, are we really facing a terrifying sudden change, or are such _________ meant to attract people’s attention? It is hard to say. Fears that automation will create considerable _________ go back to the 19’century, and so far they have never come true. Since the beginning of the Industrial Revolution, for every job lost to a machine at least one new job was _________, and the average standard of living has increased greatly.

Yet, there are good reasons to think that this time is different, and that machine learning will be a real _________. Humans have two types of abilities — physical and cognitive (认知的). In the past, machines competed with humans mainly in _________ abilities, while humans still had a great advantage over machines in cognitive. __________, as physical jobs in agriculture and industry were automated, new service jobs appeared that required the kind of cognitive skills only humans possess. They include learning, __________, communicating and, above all else, understanding human emotions. However, AI is now beginning to __________ humans in more and more of these skills, including the understanding of human emotions.

We don’t know of any third field of activity — beyond the physical and the cognitive — where humans will always have a secure __________. It is important to realize that AI revolution is not just about computers getting faster and smarter. It is also one that is being __________ by our breakthroughs in the life sciences and the social sciences as well. The better we understand the biochemical mechanisms (机制) that support human desires and choices, the better computers can become at analyzing human emotions, predicting human decisions, and __________ human drivers, bankers and lawyers.