【推荐1】Dog lovers are well aware of the ability of a dog to communicate with its eyes. Now, scientific research suggests this ability developed over time as dogs learned to live with humans.

Just as with humans, the eyes can be one of the most ________ things about dogs, the animal known in many cultures as “man’s best friend.”

But a new study found evidence that dogs developed in physical ways to present “puppy dog eyes” as a way to help ________humans. Researchers in Britain and the United States did the study. The study compared the ________muscles of dogs and wolves, which share ancestral history. Dog ________ from wolves after being domesticated about 33,000 years ago. During that time, dog changed physically and behaviorally to ________ life with humans.

The researchers ________ the heads of six dogs and two wolves for comparison. They found the facial structure of both animals was mostly very similar. But one major________ was found above the eyes.

The dogs were found to have two well-formed muscles around the eye that were not________in the wolves. These small muscles permit dogs to ________ raise their inner eyebrow, the study found.

Comparative psychologist Juliane Kaminski led the research. The team suggests this eyebrow-raising movement causes a nurturing feeling in humans because it makes the dogs’ eyes appear larger.

This ________also makes the dog look more like a human baby. The eye movement is similar to that which humans make when they are sad, the statement said. “The evidence is________ that dogs developed a muscle to raise the inner eyebrow after they were domesticated from wolves, Kaminski said.

In a separate part of the study, the researchers observed how 27 dogs and nine wolves ________ with a human. “We also studied dogs' and wolves' behavior. And when ________to a human for two minutes, dogs raised their inner eyebrows more and at higher intensities than wolves,” Kaminski said.

The researchers suggest that the eye movements developed over time as a way for dogs to get humans to do things for them. This could ________ humans giving them food, care or attention.

The only dog species in the study that did not have the muscles was the Siberian husky, which is an ancient kind. The husky could be the best living example of what the ________ between dogs and wolves looked like.

【推荐2】Once a couple lived in a village and loved their baby son very much. “We must have a pet," the farmer said one day. “When our son grows up, he will need a          ______." His wife liked the idea.

One evening, the farmer brought back a tiny mongoose(猫鼬). In several        ________the mongoose had grown to its full size          ______the baby was still in the cradle,          _____and crying alternately(交替地).

One day, the wife fed the baby and   _____him to sleep in his little cradle. Picking up the basket, she said to her husband, “I‟m off to the   _____. The baby is sleeping. Keep an eye on him.     _____, I don‟t like to leave him alone with the mongoose."

“Don‟t worry”, said the farmer. “It is a        _____animal and as sweet as our baby.”

The wife went away, and the farmer       ______to take a look at his fields. He        ______some friends on the way back and chatted for a while.

When the wife came back home with a ___of groceries, she saw the mongoose sitting outside. On seeing her it ran to     _____her. She took one look at the mongoose and       ______. “Blood!" she cried. The face and paws of the mongoose were with blood.

“You wicked animal have killed my baby!" she screamed hysterically(歇斯底里). She was blind with _____and with all her strength        _____the heavy basket on the animal and ran inside to the baby‟s cradle.

The baby was fast   ___. But on the floor lay a black snake   _____. In a flash she     _____what had happened. She ran out looking for the mongoose. “What have I done?" she cried touching the mongoose, who lay          ______, unaware of her sobbing，and          ______long at the dead mongoose.

【推荐3】That summer,Luke had been my closest companion for five years.We get lots of____in our area during the summer season.Many forests are badly____by fire each year.That hot summer,not far from our shelter,a forest____ fire.It was July,and there had been a heat wave going on for three days.Luke rushed toward the forest where the fire was sending out a____heat.There was no longer any hope at that moment to wait for Luke to come back to the____. In fact,I was waiting for firefighters to tell me that he had____in the forest.Suddenly,a fireman burst into my office and____me that my log Luke had succeeded in saving four kittens who had been____by the flames.According to the fireman,Luke seized the kittens,one by one moving them to a____place.

I immediately____the fireman to the forest to pick up the rescued kittens.____we got to the scene of the incident,we saw that Luke was not there.Then we heard the____of a dog barking in the forest.I____the barks as Luke's.The fireman followed the____of the dog until they found him barking loudly by the side of an injured fireman who was lying on the ground and____waiting for rescue.

Thanks to Luke,four kittens and a fireman were saved.That day,I was very proud of Luke for his two heroic ____.Luke showed much compassion（同情心）for both animals like him and for a human being who was trying to put out the fire with his colleagues.Truth to be told,my____was immeasurable.

I paid a visit to the fireman in his house accompanied by my lovely Luke.What a____scene it was when the fireman hugged Luke tightly to his chest!"One thousand thanks,Luke,for saving my life,"the fireman said.

This true story of love and compassion shows us that pets are loving,caring and compassionate.We should love and____them.Little animals can do____things for humans.

【推荐1】After trying to convince members of his community to pick up trash, an Indonesian man put on a superhero outfit (服装). 36-year-old Rudi Hartono, a cafe worker from Pare-Pare, South Sulawesi, had long been trying to_________people of his small coastal community to keep their home clean by picking up trash on streets and beaches, but had little _________.

He put on a Spiderman suit just to _________his nephew, but he found that people started to take notice of him. “At first, I did the same _________without wearing this costume and it did not attract the public's _________to joining and helping pick up trash,” said the 36-year-old Hartono. “After wearing this costume, it turns out_________.”

Rudi bought the Spiderman costume in 2018, _________a way to entertain his 2-year-old nephew, but his nephew only got _________and started crying whenever he saw Rudi _________as the popular superhero, so the costume was ____________for about a year. Then, one day, he ____________got the idea to put it on before cleaning trash, and the ____________from the community made him excited.

People who had ____________ignored him when he was cleaning streets and beaches of plastic trash as a normal man, started ____________his example when they saw him dressed as Spiderman. The effect was so ____________that he took to Facebook and made a video dressed as the Marvel superhero, inviting more people to ____________against littering and pollution.

Despite only putting on the Spiderman for only a few months, Rudi has got many awards and become an important ____________in the local community. He has also ____________in national newspapers, and on several national television shows, ____________these opportunities to appeal to people to do ____________part in keeping the Earth clean.

【推荐2】Carol-Anne O’Callaghan, a retired teacher, has spent more than half of her lifetime teaching. This time, she wanted to do something much more ________

One day in 2021, O’Callaghan was walking her dogs when she ________       yellow dots on all the oak trees along Leather Lane. The dots, she learned, indicated the trees’ ________drew near. The marked trees would make way for a new rail line, which was really a piece of ________news for her. Planted in the 19th century, they were ________parts of her childhood. “My family used to picnic under them,” she recalled,   “and they meant much.”

Unfortunately, they were to be cut down as part of the HS2 high-speed railway projects. O’Callaghan ________ the HS2 helpline, only to be told the ________couldn’t be changed.

As a teacher, O’Callaghan often told students, “If something is wrong, you can’t ________and let it happen.” So she started a(n) ________to save the trees. O’Callaghan went from door to door in the neighborhood, ________local people to fight for the trees.

The locals ________O’Callaghan. “It’s amazing to see someone who shows great ________for giving a voice to those trees,” said her neighbor Victoria. ________, her efforts paid off. HS2 ________an alternative overhead design. And O’Callaghan was nominated (提名) for “Guardian Angel” in recognition of her attempts to ________nature in the county.

【推荐1】Many Chinese people used to______each other with "Have you had your meal?" to show     their friendliness. Recently, a new greeting has become____in many Chinese cities, namely   "Have you____weight?"

Chen Xin, a manager of a media company in Hangzhou, has___ his   friends   after successfully getting __________. "Following instructions from my nutritionist, I went on a __________ and lost 10 kg," Chen said with a____smile.

In recent years, food-delivery services have been growing fast and entering every corner of Chinese cities. Also, Chinese people can________buy foods from all over the world. But people     are   paying more and more   attention to their______. More people are   becoming_______with     various terms, such as "low calories", "sugar cut-off" and "light food".

"I used to eat a lot of unhealthy food, which brought me much________. " Chen said. "Now       my health indicators( 指 标 ) are becoming____, and I can feel that my body is in good___ again."

Chen is not alone. Many Chinese are troubled with "diseases of richness", including obesity and high blood pressure, as the quality of life has greatly______over the past decades. Most   people need to worry about if they have a healthy diet,____if they have enough food.

【推荐2】The Human Development Report, published annually since 1990, seeks to ____ “human development” around the world and calculates a “Human Development Index” (HDI 人类发展指数) for 169 countries. The HDI is ____ on average income, life expectancy, and level of education. ____, rich countries tend to have higher HDIs than poor countries, but there are interesting ____ in human development among countries with similar levels of economic development, because some have better health and education systems than others.

Almost every country in the world has a higher HDI than in 1990, despite the fact that since the 2008 financial crisis the total number of people living in extreme ____ has increased. The report concludes that most people are healthier, live longer, are more ____, — and that even in countries with severe economic problems, people’s health and education have generally ____. Although sub-Saharan African countries are at the bottom of the pile ____ human development, some of them have made significant progress since 1990. The report is ____, however, of the fact that economic inequality has increased significantly in the last twenty years, both within and between countries.

The greatest threat to HDI in the future, according to the report, is climate change. The way to increase average income in a country is through economic growth, which means increased production and ____. However, if this ____ to greater emissions of greenhouse gases, as has always been the case in the past, global warming will probably go faster, causing severe environmental problems in some parts of the world that will ____ the livelihoods of huge numbers of people. The progress of the last twenty years, ____, might not be sustainable .

The only solution, according to the report, is to break the ____ between economic growth and greenhouse gas emissions — which, ____ to say, is easier said than done.