阅读下列短文，把A—E五个句子填入文中空缺处，使短文内容完整正确。
   A farmer's dog, Dolly, had babies, and the farmer needed to sell them. He painted a sign and put it in his yard. {#blank#}1{#/blank#} , a little boy walked up to him.
   “Sir," he said, “I want to buy one of your dogs.”
   “Well,” said the farmer, “these dogs are very expensive.”
   "{#blank#}2{#/blank#}   " asked the boy.
    "Sure,"said the farmer. “Here, Dolly!” he called.
   Dolly ran out from the doghouse and four little dogs followed her. The boy became excited.Then, the little boy noticed another dog. This one was smaller.{#blank#}3{#/blank#} 
   “I want that one,” the boy said, pointing to the little dog. The farmer said: "{#blank#}4{#/blank#}  He will never be able to run and play with you like these other dogs."
   The little boy reached down and rolled up one leg of his pants. He showed a cast (石膏) on his leg and a specially made shoe. He said: “You see, sir, {#blank#}5{#/blank#}  , and he will need someone who understands.”

A. Surround(围绕)yourself with English

B. Do exercises and take tests

C. Visit an English-speaking country

D. Don't be afraid to speak English

E. Talk to yourself

     Here are some ways to help you learn English.

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      Most people think a big problem of learning English is worrying. They worry that they won't say right things, so they don't talk at all. In fact, a good way to learn anything is to do it again and again. Learning English needs practice. Don't let your worry stop you from getting what you want.

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    Put yourself in an English-speaking environment(环境). Put English books around your room, listen to English music, watch English news, movies and TV programs and speak English with your friends. By doing this, you will learn faster and you will begin thinking in English.

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      Although it sounds a little strange, it can work. When you are doing housework or taking a walk in the park, you can read words to yourself or ask yourself questions and answer them in English.

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Many people think that exercises and tests aren't much fun. However, they are really helpful. By doing exercises and taking tests, you can really improve your English.

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      If English is not a common language in your country, try to take a vacation to an English-speaking country, such as Canada, the United States, the United Kingdom or Australia. It will be interesting and can help you improve your English in a short time.

    In fact there are lots of videos of school bullying online every year. We feel angry with the bullies and sorry for the victims in fights and blackmails. Some middle schools and primary schools in some far counties and villages are the worst-hit parts. Nearly half the victims of bullying in middle schools choose to stay silent rather than ask for help or ways to solve the problem, China Youth Daily reported.

    There is a study on junior middle school bullying made by the China Women's University. It showed that 48.9 percent of the students never asked for help after being bullied. And the study also told us 52.6 percent kept silent because they were afraid of “losing face among schoolmates”.

    The China Youth and Children Research Center made a survey of 5,864 primary and middle school percent of students suffered bullying, while 6.1 percent were often bullied by senior schoolmates.

    Cases of violence between boys and girls totaled 85 percent of all school bullying, the report said. Violence between girls accounted for as much as 32.5percent of the total. Unlike direct arguments usually seen between boys, the violence between girls more often took the form of insults, which terribly caused victims have strong feelings, it was added.

    A study published by the Beijing High People's Court showed that 68 percent of offenders attacked their schoolmates in a cruel manner and nearly 60 percent of school violence cases were caused by small matters, Legal Daily said.

    Earlier, Tang Jun of Renmin University of China told reporters that the social risks of school bullying have been given too little care. We should train our teachers to deal with school bullying, improve their skills of preventing it, and help the victim students to recover physically and mentally. At the same time, students and their parents should know the school's rules about bullying and what they should do if it happens. Second, children should be taught to stand up for themselves. They should try to solve problems by talking them out. Children should tell someone if they are being picked on. Third, parents should look for warning signs of bullying. We must pay more attention to it and try our best to solve it.

A. lisa is a young singer. She loves kids and she is planning to do something for them. She has a lot of free time during the week.

B. Sam loves animals. He takes good care of his two dogs at home and he has a two-day weekend every week.

C. Judy often volunteers with many of her friends. She likes talking with people and is always full of energy.

She is usually free after three in the afternoon.

D. Ann is 20 years old. She will graduate from a medical college this July. She's looking for a chance to be a volunteer.

E. Helen is an English teacher in a city school. She always pays attention to improving rural children's English. She is never afraid of any difficulty in life.

    With their long tusks (象牙), elephants look strong. However, it is this feature that makes the animal endangered. Many of them are killed for their tusks. People make elephant tusks into crafts (工艺品) and jewelry and sell them to rich people.
    But can these priceless body parts grow back? The answer is no, Live Science said. The elephants' tusks are actually part of their teeth. Nearly all African elephants and most male Asian elephants have these long teeth. About one-third of the tusk is in the animal's skull (头骨). The tusk has a nerve (神经) running down its center. This makes it similar to your teeth. Once you lose a tooth, you will never grow a new one.
    Elephants use their tusks to protect themselves, lift things, dig water and gather food. But losing the tusk will not kill them. The way in which they lose the tusk is what matters. Usually, people get tusks by culling (限量捕杀), which means killing old and weak elephants. They also take tusks from the elephants that have died naturally.

    However, these sources aren't enough to keep up with the demand for ivory. Therefore, some poachers (偷猎者) kill healthy elephants and cut their faces open to remove the tusks. About 27,000 elephants are killed by poachers each year, according to National Geographic.
    As a result of poaching, some African elephants gradually evolved (进化) without tusks, which has allowed them to survive. In Mozambique, about 90 percent of African elephants were killed for their tusks and meat from 1975 to 1992, National Geographic reported.
    Scientists found that about a third of younger females—the generation born after 1992—never developed tusks.

    Let me tell you something about sharks (鲨鱼). Sharks are among the oldest animals in the world.{#blank#}1{#/blank#}Most sharks are about two meters long and live in the oceans (海洋).

    A shark can smell (闻) something in the water. For example, the blood (血) of animals.{#blank#}2{#/blank#}Sharks mainly eat fish, other sharks and plants in the ocean.

    Most sharks bite (咬) people by mistake. {#blank#}3{#/blank#}When the sun goes down or comes up, sharks are looking food.{#blank#}4{#/blank#}

    {#blank#}5{#/blank#}The numbers of ( 数量) sharks in the world is dropping (下跌) fast.