【正文】 C. About 10 kilometers. 11. What is the man trying to do? A. Encourage the woman to run faster. B. Persuade the woman to take swimming lessons. C. Show the woman how to use a machine. 聽第 8 段材料，回答第 12 至 14 題。 A Since the beginning of the year, smog (霧霾 ) has covered parts of North China. In January, Beijing saw only five days without smog. The rising readings terrified many people, and some health experts said that whenever the smog gets serious, hospitals receive more patients suffering acute respiratory (呼吸系統(tǒng) ) and heart diseases. Later, news of polluted underground water in some provinces scared people who wondered whether the water they drink is safe. So the need to emphasize environmental protection while developing the economy is heard everywhere. Smog is especially a mon concern. As a popular online post said, air may be the only thing that is equal for everyone, despite your ine or profession. People with higher ines are able to drink only bottled spring water and eat only anic food by paying higher prices, but they breathe the same air as everyone else. At a meeting on Monday, many representatives have expressed their concerns about the air quality, too. One talked about his experience in Beijing. “After taking a taxi from the capital airport to my hotel, which took about an hour, I washed my nose and found the inside of my nose was black. We should ask ourselves this question： Why do we want to develop? It39。s ine B． more people suffering diseases C． the rising of readings D． patients increasing in hospital 22． Why has smog bee a mon concern? A． Because people have to pay higher prices. B． Because a popular online post discussed it. C． Because we have to develop industry. D． Because nobody can avoid it. 23． The underlined word “they” in Paragraph 6 refers to “________”． A． space technologies B． other plas C． human beings D． industrial development 24． From the last two paragraphs we can infer that ________. A． high tech can pletely solve the problem of pollution B． we must protect the environment while developing economy C． we can move to Mars after the earth has been destroyed D． we must protect the environment while developing economy B All my life I had wanted a dog. I had two cats that I adored like children, but I still wanted the pany of a dog. Then unfortunately I lost my cats. Soon came another shock that my husband left me forever because of lung cancer. I felt I had just lost everything that ever mattered to me. I voiced these feelings to a friend, who took me to a pet store. The store was holding an adoption day with shelters. I looked at and held several puppies (小狗 ), wondering which to choose. Then I met Maggie. She looked at me with the saddest eyes I had ever seen, then laid her head on my shoulder and slept. I immediately decided to save her! Maggie adjusted well. I, however, was still adjusting. One night, thoughts of losing everything rushed through my head again. So depressed was I that I felt the only solution was to end my life. With a bottle of medicine in one hand and Maggie on my lap, I took the pills. Through my tear－ filled eyes I looked down at Maggie to tell her I was sorry. The look on her face I will never be able to explain. It39。t adjust to living with Maggie. D． Because she couldn39。s second baby, a female, was born in September 2020, but died a week later due to lung damage. Poorly developed lungs likely prevented it from getting enough oxygen. In the wild, if a panda has twins, the nature of the mother is to choose the stronger of the two pandas and abandon one. But zoos have developed a way to get around that: They will take turns to put the twins between mom and the incubator (恒溫箱 ) every few hours, which means that each baby will get enough time with its mother to be fed by her. If necessary, her milk will be supplemented (補(bǔ)充 ) with a mixture of infant formula (嬰兒配方 ), dog food and water. The tiny pandas