It was the homecoming parade in Rockwall, Texas, and cheerleader Tyra Winters was riding on top of one of the school’s floats (花车). As it slowly made its way down the wide street, the 17-year-old enthusiastically ______ the crowd, all the while soaking in the music, laughter, and applause. All of a sudden, a horrific ______ broke through the joyous noise. Looking down, Winters saw a two-year-old on the sidewalk ______ with difficulty, his extremely-worried mother begging for help. The boy, Clarke Hornback, had been having a piece of candy when it slid down the back of his mouth,   ______ in his throat and blocking his windpipe.

“I see a little bright red face and his mom’s ______ , ‘Someone help me, someone help me.’” Winters told the local station CBS.

“There was no coughing; there was no breathing,” Clarke’s mother, Nicole Homback, later told CBS. “He was just gasping for air.” No one seemed to know how to ______ .

But Winters was a(n) ______ . As a senior with dreams of becoming a ______ for children, she had learned the first aids Heimlich maneuver and CPR. Knowing that the clock was ticking, she ______ the moving float and ran to the child. By the time she got to Clarke, his face had turned purple. “I ______ him!” she yelled to his mother Nicole as she ______ the boy from her. “I tilted (倾斜) him and gave a good three back presses,” she told CBS.

Soon, the boy ______ the piece of candy, gasped, and began breathing again. Without another word, Winters handed Clarke back to his mother and ran back to her float ______ it could leave her behind. It all happened so fast that Nicole never had time to ______ the teen. Winters’s heroic actions left Nicole ______ . “I don’t really have any words,” she says. “The words that you would say to anyone who does something for you is ‘thank you.’ But that doesn’t seem good enough.”

Vets in New Zealand have managed to contain a disease that threatened to wipe out a rare bird species called the kakapo.

The kakapo is the world’s largest parrot and lives on islands off the coast of New Zealand. Last year, it had a ________ breeding (繁殖) season, when its numbers rose from around 147 to 213. Then, just when it looked like it was all going ________ , the birds were ________ by a disease called aspergillosis, which was caused by a type of fungus (真菌) that infected the birds’ lungs. Several chicks and a few adults died from it, and there were ________ that it could ________ to the rest of the population.

The ________ problem was identifying the disease in the birds and then ________ them. So New Zealand’s Department of Conservation (DOC) and vets from Auckland Zoo ________ the nests that they thought were most at risk, and ________ the parrots in danger to Auckland, a city in New Zaland, to have CT scans. However, the vets’ CT scanner was broken, so the kakapos were taken to a ________ hospital instead.

The next step was to give the big parrots the night drugs to stop the ________ . To get the drugs into each bird’s lungs, vets had to use a nebuliser (雾化器), but the nebulisers in the hospital were too ________ for the kakapo. The vets then tried a ________ nebulizer-and luckily, it ________ .

Thanks to the team’s hard work, the ________ of kakapo is now 211.

Amy Jandrisevits knows the value of a good doll. “Dolls have a ______ we don’t completely understand,” she said. It’s a ______ she came to while working as a social worker using dolls to help her young clients ______ their changing medical situations. Many of the kids saw themselves in those dolls. But for the kids who had ______ a leg or lost their hair, there were ______ they could relate to.

So, seven years ago, when a friend revealed that her child had facial deformities (缺陷), Jandrisevits knew what might help the youth through the ______ period. “It’s hard to tell a kid, ‘You are perfect the way you are,’ and to build ______ that way, but never offer them anything that ______ like them,” she says.

Jandrisevits crafted a doll by hand－using fabric, sewing, and markers－that looked similar to her friend’s child and ______ the gift. After the friend posted a photo online of the ______ child and doll, Jandrisevits was asked to make dolls for ______ with scars, birthmarks, tracheotomies（气管切开术）－ in short, a doll like them. She quit her job and started a nonprofit to ______ her services.

At home, it takes her roughly seven hours to craft each doll based on photos sent by ______ or caregivers. She has made over 400 dolls, and the waiting list is long, but Jandrisevits is ______. As she explains, “Every kid, regardless of age, ethnicity ______issue, or body type, should look into the sweet face of a doll and see their own.”