1 . Derby is a cute little disabled dog. His front legs are seriously deformed. This makes getting around for the little guy pretty _________. He jumped around with his back legs, having constant _________ and foot infections (感染). Tara Anderson couldn’t _________ the opportunity to help Derby out when she found his _________ on the animal rescue website. So, she did what many of us would have wanted to do. She brought Derby home to _________ him.

Tara, who works for a 3D printing company, decided to use her _________ to help this little dog. With the help of her team, Tara successfully created prosthetic (假肢的) front legs for this _________ dog! The gift was specially designed to allow Derby to _________ and play like any other dog, without sinking into the ground. The wheel-like design was such a _________!

Derby, who is now living with his adoptive parents, __________ the prosthetics immediately. His new dad said it was “__________”   to see him running for the first time.

Tara and her team designed the first set of prosthetics to be shorter so that it wouldn’t be a(n) __________ to Derby. As he __________ the new legs, though, they will continue to improve the prosthetics to give Derby the best possible __________. Nothing is going to __________ Derby now. He is already well on his way to that goal.

2 . Kathy Xu,a high school teacher,had always wanted to see a shark in the wild.The opportunity finally _______in 2011,when she went on a snorkelling trip to the Ningaloo Reef.She was so inspired by its beauty and grace that tears _______to her eyes.

After returning home,Xu learned about the shark trade _______at one of Indonesia’s largest fish markets,on the island of Lombok.Shark parts including meat,cartilage(软骨)and teeth are cut up for export.The most prized are the fins,which _______high prices.

Curious,Xu _______her bags and headed to the fish market.There,she spoke with several fishermen.Shark fishing is _______ risky and involves hard physical work,but it is one of few ways for them to_______for their families.“I told them I’d pay them to take _______out to see these snorkelling havens,“she says.Together, Xu and the fishermen came up with the idea of snorkelling boat trips,and a deal was_______.

In late 2012,Xu________her full-time job to focus on building The Dorsal Effect, an ecotourism business she hoped would help save the declining shark________.In 2019,Xu found a female Rhynchobatus cook, a relative of the shark.The species had not been seen for more than 20 years and was believed to be________.The discovery gave scientists hope,and it could be________ for an in-depth conservation study.

In the past decade,global demand for shark fins has________-a promising result of conservation campaigns.For now,Kathy,41,is proud of the small changes she sees happening on Lombok,from the fishermen who now have a new way to________an income to the schoolchildren who learn about sharks on tours with The Dorsal Effect.

4 . Last year in early summer, I was walking to my house when I saw two large birds standing in my yard. They didn’t seem to _______ me until I was right in front of them and then they _______ disappeared into the nearby bushes. I was quite excited by the _______ of two special birds making a nest (巢) in my yard．

A few weeks later, the birds _______. I found them crouching (蹲伏) beside a tree. As I approached them, they _______ their heads and made a croaking (嘶哑地叫) sound. I didn’t know why they were croaking at me until a short time later I made an amazing _______: there were two small birds _______ around happily.

As I inched towards the birds, _______ not to make sudden movements, they started their croaking again, putting their necks forward so they seemed _______ and more threatening.

The mother put the baby birds under her wings and carefully crouched down over them so her babies were well ________.

I was watching them with respect when I suddenly ________ and fell to the ground. The mother took this as a/an ________ and the father raced towards me, ________ his wings to protect the mother and the baby birds.

I felt sorry to have disturbed them and left quickly. I am amazed by their ________ actions. Their parental love made them so courageous. It is hard not to show ________ for nature.

5 . My dog Chi Chi always has a smile on her face. However, before my family adopted (收养) her, her life was pretty _______. It’s hard to believe this sweet dog was once left in a dustbin (垃圾箱). Her _______was injured and she was in pain. But when the rescuers got to her, her eyes shone with _______and she was trying to get to them. Her rescuers drove her to the closest hospital to get her _______. The vets there _______her by fitting her with a prosthesis (假肢) and shared her _______on the Internet.

That’s how my parents and I first _______her. For weeks, we _______Chi Chi’s story and discussed adopting her. We _______had three dogs. My mom wanted to know who would ____________her, because it might be a lot of work to take care of a dog that was ____________.

We had a lot of ____________about Chi Chi. Her rescuers sent us photos and videos. After we adopted her, we made her try different prostheses so she could move around more ____________. She’s made a lot of progress with her ____________, and now she can even jump up on the sofa.

Chi Chi has a great attitude ____________she’s been through something hard. She’s always smiling and happy. Chi Chi has a lot to ____________about kindness and about ____________little achievements (like making ____________with walking or jumping). She has taught me to care about the   ____________of others and help them. I’ve also noticed that when people meet Chi Chi, they talk about hard things they’ve faced. I think she shows them it’s possible to ____________anything difficult. She sure encourages me to be the best I can be, like she is every day.

7 . In February Chen Qiqi was riding on a field trip, seeking interesting plants in South China’s Hainan province. Suddenly, she ______ and gave other passengers a shock.

As the car pulled over, she jumped off and ______ to a plant. Chen ______ the plant at close quarters, while taking pictures and shooting it from various angles. “It was Entada phaseoloides (榼藤) and I couldn’t wait to share it with my ______,” she says.

She applied for studies of ______ protection at college in 2016. The college study has given her ______ knowledge of plants and the plant-hunting ______ has made her have a good ______ of the natural world. These led to her option of becoming a teacher at a (n) ______ education institute after graduation.

However, the lockdown interrupted her plans so she couldn’t ______ with it. Instead, she picked up skills of video shooting, which ______ her to be a plant video blogger. Her short videos cover a ______ range of plants, including red spider lily, box bean and air plants, etc. In Chen’s ______ on TikTok, over 100 videos explaining varieties of plants have earned her almost 1 million followers.

“I feel proud and my job is ______ when people say they know about some plants because of me. As for her future plans, Chen says she ______ to carry on exploring the world of plants.

9 . Long ago there lived a poor man named Naoko. He had a large wart(疣)in his_______Wherever Naoko went, people_______his wart. He became so shy that he would take walks only at night.

One night Naoko put on his only robe and went for a walk in the woods_______he was lost. At midnight Naoko_______a group of elves(精灵)gathering in a nearby clearing. Although Naoko was _______, he tiptoed to see what the strange beings would do.

The chief elf clapped his hands, and the elves began to_______, but there never seemed to be any less on the table. As quickly as the food was eaten,_______appeared in its place.

Naoko crept closer and closer to the enchanted party._______he lost his fear and stepped into the clearing. The elves welcomed him joyfully and treated him as a(n)_______guest.

When morning came, the chief said, “My friend, you must come again. I will take this as a pledge (抵押)to________your return.” With that,the chief elf picked the wart from Naoko’s forehead.

Naoko returned home and told his neighbors about his wonderful night with the elves. They all congratulated him on the________of his wart. However, one neighbor, Yukio, was jealous. He wanted to visit the elves and________in their food and fun. While Naoko was out, Yukio________into Naoko’s house, put on Naoko’s robe and slipped into the woods.

________happened the way Naoko had described. The chief elf________him and said, “We are so glad you returned. We will give you back your pledge.” With that, he put wart onto Yukio’s forehead.

10 . At around 3 p.m. on Monday, Erin Wilson stopped at a picnic area along Highway 299. She began walking her two-year-old sheepdog, Eva, along a path when a mountain lion _________ and attacked Wilson, who screamed — catching the _________ of her 2-year-old Belgian Malinois, Eva, who had been wandering ahead, immediately returned to _________ her owner. The mountain lion then _________ the 55-pound dog and bit onto the bodyguard’s head. Wilson _________ without success to fight off the lion with stones, so she ran up to the road, frantically trying to flag someone down.

Sharon Houston, who was driving by, saw Wilson and _________. After learning about the mountain lion attack, without _________ Houston jumped out of her car with her pepper spray (喷雾剂) and also grabbed a stick. The two women _________ to the scene in the forest, where the struggle was going on, with the mountain lion still _________ to let go of the dog. They both started hitting it and yelling __________ it finally set loose the bleeding dog.

Eva eventually __________. Houston pepper sprayed the mountain lion in the face, and it immediately turned away and __________. Eva was gravely injured, and Wilson __________ drove Eva to a vet (兽医). After spending several days there, the dog was __________. Now Eva, lying on her own bed with her favorite toys, is on the road to __________. “My dog is my hero and I owe her my life,” Wilson said.