1 . A four-year-old dog named Kob became a hero in its neighborhood by discovering a possibly life-threatening gas leak (泄漏) in its owner’s front yard.

This dog’s actions not only _______ its surroundings, but also stressed the importance of the behavior of our furry friends.

The story began when Kob, _______ by 28-year-old Chanell Bell, started digging a large hole in the yard. At first, Bell thought this was typical dog _______, but as the hole grew larger, she became _______. Recognizing that Kob’s actions were unusual, she trusted the dog’s judgment, considering its normally well-behaved nature.

After _______ a recent gas leak in her home, Chanel _______ a gas detecting (探测) tool. She followed her sense and chose to use the tool to _______ the newly dug hole by Kob.

Finding gas coming out of the hole, Bell _______ contacted the authorities about the issue.

“If it wasn’t found, the _______ would have continued to escape into our homes,” Bell said. “We were told it could have caused ________ health effects like breathing issues, brain damage, and even ________. They told me that something as simple as ________ a light could have caused a burst!”

During the repairs, workers ________three main gas leaks in Bell’s neighborhood caused by aging ________. It took the workers over three days to repair the leaks and replace the old equipment.

Throughout the repairs, the workers________ Kob for saving the neighborhood.

2 . It was January 2016, and Jeremy and his girlfriend, Molei, were leaving Denver for a weekend of fun with friends on the slopes in Colorado.

The snow came earlier than they’d ________, but Jeremy wasn’t worried. He’d driven this ________ a thousand times, and he knew ________ what to do. “Take it easy. You’ll get there, and when you do, it’s going to be ________.” As the car began the twisting climb toward the resort town, Jeremy felt an overwhelming wave of excitement.

“Life was really great,” he says. Then, within a blink of an eye, everything ________.

A truck that came out of nowhere hit them. One minute, Jeremy’s Ford SUV was ________ quickly through the falling snow; the next, he was sitting in his crushed SUV by the side of the road, ________ his seat by the wheel, his body screaming with ________. To his right, he saw Molei. He could think only one thing to say: “Don’t die. I love you.”

Statistically, Molei should have died. Inside her neck, the vertebrae (脊椎) had basically been crushed. Her head was attached to her shoulders by ________ but skin and muscle.

Henry Rodriquez, an officer on holiday, was driving on the same road not far behind the Ford and ________ instantly when he saw the accident.

________ his wife calmed the trapped and terrified Jeremy, Rodriquez worked swiftly. One wrong move could have ________ Molei dead or paralyzed. Protecting her head and neck, he carefully removed her from the twisted car and ________ her on the road by the side of the car, covering her with coats to keep her warm.

For 45 minutes, Rodriquez ________ her chest to bring her heart back to life. Thanks to Rodriquez’s timely ________, Molei made it to Anthony Hospital and recovered gradually.

3 . Todd and Donna woke up early one day to take pictures of the sunrise. While walking along the shoreline and enjoying the sights, Todd suddenly _______ down. Donna thought her husband was _______. However, she quickly realized this was no laughing matter. Todd’s heart stopped beating and he turned _______. Immediately she screamed for help.

Tyler Volpe, a _______, was in the water when Todd came down. Volpe is also a physician assistant. He heard Donna’s cries for help. “I knew it wasn’t a _______ scream,” he said. “I came flying out of the water.”

Volpe started chest compression (按压) while Roy, another surfer, breathed into Todd’s mouth. Then, they switched _______ with each other. “I really thought he was _______,” Donna said. _______ Roy and Volpe performed CPR, Todd breathed deeply a few times.

The tide was starting to come in. Other surfers used their boards to form a _______ between the rescue effort and the water. “They kept him ________ until the ambulance got there,” Donna said. “It could have been two minutes or 10 days. I was watching my life ________ with his.”

Doctors used a defibrillator (除颤器) to shock his heart and ________ his heartbeat. On the second shock, he regained his feel.

Todd and Donna planned to drive back home to New Jersey that morning, but decided to first take a walk on the beach. “It is lucky we didn’t ________ because it would have happened while we were driving home,” Donna said.

Donna ________ a message asking if anyone knew the surfers who helped her husband—they wanted to ________ them.

4 . I ran into a friend a few days ago and greeted him in the familiar way. He gave the usual _____________ --“I’m doing fine”, but he _____________ two words “I guess” to the beginning of his greeting. That totally changed the meaning. His _____________ expression matched the two added words._____________, he wasn’t doing well. So I dug a little deeper and found he really was _____________ with some big issues.

In today’s world of fast and quickly _____________   social media, we are given the _____________ that the people there have near perfect lives. Look at anyone’s personal blog and you’ll see all these fun pictures and comments. Much of what we see is the good _____________. Of course there is really nothing wrong with that, but it can make a lot of people feel or _____________ that their own lives are full of challenges and various problems, ______________ self-pity and depression.

The ______________ is that nobody’s life is perfect. Just looking from the outside, you might be ______________ thinking that other people are doing much better than you. If you look on a deeper __________, you will see that the surface view can be very ____________ . That is because most of us don’t show our problems but prefer to show our ____________.

So, don’t admire other people’s near perfect sides any more. No matter how ______________ their lives look from the outside, they have their problems and ______________ too. Try to understand yourself better and ______________ the self-pity or feelings of “not as good as other people”. It can make your depression ____________ . Even better, you can see yourself in a(n) ____________ angle and have higher self-esteem(自尊).

5 . Since the beginning of the twentieth century, the number of wild tigers has been on an alarming decline. ________, it appears that the situation has finally changed. The ________ of specialised conservation programmes has ________ the first growth of wild population number for over a century and, while still not strong enough, the big cat's future seems a little more positive.

For those whose wildlife dream is ________ this wonderful big cat in its ________ habitat, a well-organised tiger trip to one or more of the parks and ________ of the Indian subcontinent ________ the chance to do just that. Anyone fortunate ________ to go on a tiger trip should become familiar with not only the physical characteristics of the big cat, ________ also the major threats to its survival.

The tigers' habitat often covers some parts of the human ________. With the destruction of forest habitats leading to a(n) ________ in smaller prey species (猎物), the tigers are often forced to leave the protection of its own range and take the risk of going into human areas to ________ cows or sheep. Because local people ________ these farm animals, this causes ________, resulting in the killing or capturing of the animal to ________ on the black market.

While there are numerous high-profile conservation campaigns in action around the world, everyone should play a part. For those planning to explore the Indian subcontinent on a tiger trip to see this mysterious big cat in its natural habitat, helping to raise the profile of its endangered position is one way to help ensure its survival.

6 . It’s never been easier to deal with well-being, yet many of us focus on our physical health but _______ our psychological well-being, an expert says. For those _______ at home during the coronavirus pandemic(冠状病毒大流行), _______ well-being is more important than ever.

The _______ the coronavirus pandemic brings can seriously challenge our mental health. If you are struggling or feeling _______, you are not alone. The global health crisis has _______internal health issues to the fore(在显眼位置).

Communities and workplaces are more open to _______ and understanding psychological health issues than they were a year ago. This could be an _______ to make some positive changes in your life. “Feelings of struggle and stress are not _______ that you are unwell or ‘broken’; they are signals that something important needs your attention,” says ________ Dr Michelle McQuaid, who has a decade of experience ________ positive psychology interventions in workplaces.

“Provided you have the ________ knowledge, tools and support to respond to these signs, such struggles don’t have to ________ your well-being or performance. In fact, they can enhance your learning and growth.” McQuaid is working with the Hong Kong-based ________ Just Challenge on a recently launched virtual employee wellness platform for corporate clients. The company, which is ________ good at offering physical challenges and programmes for companies, has ________ this platform to help companies looking to ________ their staff, who are often working remotely, ________ stress.

Delivered through video tutorials, the Wellness Programme offers mental and physical health education. That is great if you’re working for an ________ company that cares about the personal health and success of its staff, but ________ your firm has not subscribed to the programme, there is still a lot you can do.

7 . Studies have shown kids from low income families are generally less ready to start school. They score lower on vocabulary tests and have ________ trouble concentrating in class. What's more, being hungry, unsafe, or ________ can bring stress to the children.

New research published in the journal Pediatric Research in April ________ there may be one simple character that can help kids learn and ________ in school, regardless of their background.

Researchers who looked at the reading and math ________ of 6,200 kindergarteners in 2006 and 2007 found that those kids who were curious did the ________ in school, regardless of social and economic status.

The high-performing kids from all ________ of life liked trying new things, and were ________ as more imaginative in both work and play. The more ________ they were, the better the kids' reading and math results were.

The findings suggest that ________ characters like paying attention and controlling emotions may be important, being curious might matter more when it ________ learning new things.

As early the childhood pioneer Jean Piaget once ________ out, kids are not “empty vessels to be filled with knowledge”. Instead, they're “little scientists who ________ their own theories of the world”.

Developing a ________ of curiosity, trying new things, and asking new questions of the world are not the ________ ways that little ones cross the gap. For years, studies have shown that early childhood learning and preschool programs like the Head Start program can ________ better educational outcomes for a lifetime. Kids who ________ Head Start are more ________ to go to college, and get more ________, eventually make a big ________ to the whole family, and even to the world.