【推荐3】A 17-year-old teenager, Anika Puri, has invented a low-cost tool to spot elephant poachers (偷猎者) in real time. She won the 2022 Peggy Scripps Award for Science Communication for her model of a machine-learning driven software that analyzes movement patterns in thermal videos of humans and elephants. “I’m________excited by the________focusing on endangered species and environmental science.” Puri said.

During a recent trip to India, Puri realized that elephants were still being________for their tusks (牙). “I was quite taken aback,” Puri said, “Because I always thought, ‘well, poaching is________; how come it really is still such a big________?”

Over the next two years, Puri________the software EISa (short for elephant savior). This wildlife poacher detection solution is based on a________process: an EISa camera________to a mobile phone flies over a park on a drone and________the movements of elephants or humans. The software is four times more________than existing state-of-the-art detection methods. It also decreases the________for expensive high-resolution thermal cameras.

The 17-year -old’s invention has earned________from notable scientists. “Puri’s software is quite admirable,” says Jasper Eikelboom, an ecologist, “it’s quite________ that a senior high school student has been able to________something like this. Not only the research and the analysis, but also... being able to________it in the models.”

【推荐1】A homeless man rescued all the animals at a shelter after it caught on fire. Hamlin, the_________of the W-Underdogs shelter, told CNN.

Keith Walker, 53, a homeless man,_________ his life to save several cats and dogs _________at an Atlanta animal shelter after it caught fire, the facility’s founder said.

“I was nervous as hell. I was really_________to go in there with all that smoke. But God put me there to save those animals and I _________into the shelter after a fire engulfed (吞没) its kitchen.” Walker told CNN. “If you love a dog, you can love anyone in the world. My dog is my best friend, and I wouldn’t be here _________ him, so I knew I had to save all those other dogs.”

_________the shelter was not completely destroyed, the fire left it uninhabitable, according to W-Underdogs founder Gracie Hamlin.

“He is my guardian angel,” Hamlin told CNN. “Even the firefighters didn’t want to_________dogs. They called animal control, but Keith was already in the building pulling out the cats and dogs until they were all _________.”

Hamlin__________ knew Walker, who has been homeless since he was 13 years old, because she lets him __________his dog, a pit bull named Bravo, at the shelter every night.

Walker was on his way to __________ Bravo and take him for a walk when he saw the fire. He was able to rescue all the animals-six dogs and ten cats.

“I can’t thank him__________ for saving my animals,” Hamlin said. “I’m still in__________, because I’ve been around a fire and I know how fast it spreads. Homeless man as he is, Walker is my__________.”

【推荐3】When most people in Shanghai, which is experiencing its ________ COVID-19 outbreak since the pandemic emerged more than two years ago, are retiring for the night, others are working to keep the city ________.

Long Anhua, 51, a native of Hefei, Anhui province, became a truck driver after he arrived in Shanghai in 2008. ________ the pandemic, his main job was to ________ automotive parts.

He told us in the past he finished work at about 7 p.m., but during the pandemic, he does not return to the ________ provided by the logistics’ company until after midnight. “We all want to deliver as many supplies as quickly as possible to ________ in lockdown,” Long said.

All the drivers in his company are on call at night to ________ urgent deliveries are completed, eating and taking naps in the trucks have become their ________. And to ensure driving ________, Long and eight colleagues have been ________ by the company to take turns to work the early and late shifts, stopping for a ________ every few hours.

Long admitted he feels ________. “But I can ________—what I should do during the pandemic, and what I have done o far that embody (体现) my personal ________,” he said. He also added that he is able to persevere in the fight against COVID-19 because of his family’s understanding, support and ________.

Recalling the day he delivered supplies to his own ________, Long was a little upset: “It’s hard to ________ my feelings at that time. Although I was so close to my family members. I couldn’t ________ them. But my wife encouraged me, telling me not to worry about her and the children and also ________ me to protect myself when I made deliveries. From that moment on, there have been just two things on my mind—that the outbreak will ________ as quickly as possible and that I can soon get together with my family members again.”