An elephant and a monkey were arguing (争论).

    “Look, how big and strong I am!” The elephant said.

    The monkey didn't agree, “Look, how fast I can run and climb! Can you?”

    At last they asked a clever tiger, “Which is better—to be strong or to be quick?”

    The tiger said, “Go across the river and pick the fruit on that tree for me, then I can tell.”

    So they went to the river, but the water ran fast and the monkey was afraid.

    “Get on my back,” said the elephant proudly (自豪地), “I shall carry you.”

    Soon they crossed the river. There stood the tree. But the fruit was too high for the elephant to reach. He tried to pull the tree down, but failed.

    “Don't worry.” The monkey climbed quickly up the tree, and picked the fruit.

    Then they came back and gave the tiger the fruit. “Which is better — to be strong or to be quick?”

    The tiger smiled, “Both of you could not get the fruit alone. It took both the elephant's strength and the monkey's quickness to get it.”

    A doctor was once teaching a class of medical students at a famous hospital in Edinburgh. An injured(受伤) man was brought in, and the doctor turned to one of his students and asked him, "What's wrong with this man?"

    "I don't know, Sir." the student answered. "Should I examine him and find out?"

    "There is no need to examine him," said the doctor. "You should know without asking questions. He has hurt his right knee. Didn't you notice the way he walked? He hurt it by burning it in the fire. You see his trousers leg is burnt away at the knee. This is Monday morning. Yesterday was fine, but on Saturday the roads were wet and muddy(泥泞的). The man's trousers are all muddy. He fell down on Saturday night. "

    The doctor then turned to the man and said, "You had your pay on Saturday and went to a public house and drunk too much. You got muddy and wet on the way home. Because you had drunk too much, you fell on the fire and burnt your knee. Is that right?"

    "Yes, Sir." said the man.

    Daisy is an American high school student, and she wants to be a doctor when she grows up. It's important to start early if you want to become a doctor. Why? In the USA, you will need to take some science classes in college or university before you attend medical schools. Besides schoolwork, medical schools, medical admissions. (录取）will also look at your extra﹣curricular (课外的) activities.

    To attend medical schools, Daisy decides to do as follows. First, she will visit the school library weekly and read articles about medicine. Then, she will meet with some doctors from her friends' families. Daisy is going to ask them some questions about their work, so she will get some useful information. Daisy also plans to volunteer at a hospital for a week. If you would like to help others, you will be welcome to medical schools Daisy is sure about this.

    The good news is that Daisy is 16 years old, so she can do the training to become a Certified Nurse (执业护士助理). She is going to finish doing this in three weeks during the summer. When you become a CNA, you can make good money. But to Daisy, it just helps her improve herself and makes her a better student before going to the medical school.

    As a high school student, Daisy knows what is the most important now: study hard and do well in science, including biology, physics and math. These lessons always have to do with medicine.

  By starting early and taking some of these steps, Daisy is sure that she will become a doctor!

Bob and Ken are best friends，and both of them are sports lovers. One day after class，Bob asks Ken to play volleyball together. While playing，Ken runs so fast that he falls to the ground. "My arm!" he cries. When Bob comes to help Ken stand up，he sees that it is broken （受伤的）. 

Bob runs to call Ken's parents. After that，Ken's parents take him to the hospital. In the hospital，the doctor checks （检查） his arm and tells Ken that he needs to take care of his arm. He also asks Ken not to play sports during the next 35 days. 

The next day，Ken goes to school and tells the class his story. They have many questions，and Ken answers them one by one. But Bob is quiet，and he keeps drawing something on the paper. Ken walks to Bob，smiles and says， "Bob，        ▲        . " 

At that time，Bob looks into Ken's eyes and asks， "Do you want to play tic-tac-toe today？We can't play sports today. " "Great idea!" Ken answers. What good friends!

 Two men were sitting together in a plane. They were on a long journey. One of the men was a businessman. The other was a farmer. They sat without talking for a while, and then the farmer said, "Let's do something to pass the time."

"What do you want to do?" the businessman asked.

"We can ask each other riddles(谜语)," the farmer said.

"OK. Let's make rules first," the businessman said. "If you don't know the answer to a riddle, you pay me $ 100. And if I don't know the answer, I' ll pay you$100."

"That's not fair(公平). You are a businessman with much knowledge. You know more things than I do. I am just a farmer," the farmer said.

"That's true," the businessman said. "What do you want us to do?"

"If you don't know the answer to a riddle, you pay me $ 100. And if I don't know the answer, I' ll pay you $50," the farmer said. The businessman thought about this, and then he said, "OK. That's fair. Who will go first?"

"I will," the farmer said. "Here is my riddle. What has three legs when it walks, but only two legs when it flies?"

 The businessman thought for a long time and said, "Mm, that's a good one. I'm afraid I don't know the answer." He gave the farmer $ 100, and then he said, "Tell me the answer."

"I don't know," the farmer said. Then he gave the businessman $50.

Li Shizhen, a well-known medical scientist of the Ming Dynasty, is seen as a great master of medicine in China. He put all his time and heart into 1 , only to save the dying and cure the sick.

Li was born in 1518 in Hubei. Both his grandfather and father were doctors. Li's grandfather was a country doctor who travelled from place to place with a bag of herbs (药草). Such doctors were called Lingyi (bell doctors), because they could show their arrival by 2 a bell. Li's father was also a famous doctor in their 3 area. So it was easy for the people there to find the doctor. 

From childhood, Li went to the mountains with his father to 4 herbs, gaining wide knowledge about animals, plants and medicine. Although Li's father hoped his son could get a government job, Li failed the exam three times. He then turned his 5 to medicine.

At the age of 33, Li became 6 for curing Prince Zhu Houkun's son. A few years later, he was invited to work at the Imperial Medical Institute (太医院) in Beijing. During that time, he 7 many ancient medical texts, and noticed a mess in the naming and categorization (分类) of herbs. To 8 it, he decided to leave his job to write a book about herbs.

After that, Li travelled to many places and got much first-hand experience. He also read hundreds of medical books and different kinds of herbs. After 27 years of efforts, his first draft (初稿) of Ben Cao Gang Mu was 9 in 1578. The book is highly detailed and well-organized and is considered one of the greatest scientific 10 of China.