Bob and his family like eating fish very much. He often buys some fish in the shop and takes them home for dinner. His wife (妻子) often asks her friends to their home to have lunch and eat fish. One day, Bob buys some fish home and goes to his office to work. His wife sees the fish and thinks, “Good! I can ask my friends to come for lunch.”

    When Bob comes home from work in the evening, he can't find his fish. His wife says, “ Oh, It's your cat. Your cat eats it.” And she gives Bob some bread for dinner. The husband is very angry(生气的). He takes the cat and his wife to the shop near (附近) their home to weigh  the cat. Then he asks his wife, “You see, my fish is one kilo, and this cat is one kilo, too. My fish is here. Then where is my cat?”

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    A poor boy lived in a small town.He sold goods from door to door to pay for school. One day, he only one cent left, and he was hungry. He decided that he would ask for a meal at the next house. However, when a young woman opened the door, the boy was shy, so he just asked for some water. The woman knew he was hungry, so she brought him a large glass of milk. He drank it slowly, and then asked, “How much should I pay for it?” “You won't pay for it. My mother has told me that it is good to help the people who are in trouble.” She replied. The boy said, “Then I thank you from my heart.” As the boy left that house, he felt stronger. He knew he had many things to do.

    Many years later, the young woman became ill. The local doctors couldn't save her. People had to send her to a big city.When the doctor knew who the woman was, he was excited and tried his best to save her life. He succeeded. The woman needed to pay for the medical bill. The doctor learned that she couldn't afford it. So he wrote something down on the medical bill. The woman read the bill, “You have paid it with a glass of milk.”

    The ocean is no longer a safe place for many creatures. For many years, 1 activities such as polluting and overfishing(过度捕捞) have made it 2 for many creatures to live in it. In 2015, Chile, a country in South America, tried to 3 that. It created the Nazca-Desventuradas Marine Park. It is the 4 ocean reserve in North or South America. It is about 115,000 square miles of the Pacific Ocean. That's about the 5 of the state of Arizona, USA.

    No 6 or any other kind of harmful human activity will be 7 in the waters in that area. That's good news for the sea creatures that live in that part of the Pacific Ocean. The area is 8 to many unusual creatures not found anywhere else in the world.

    2015 was a big year for protecting the world's oceans. In total, more than one million square miles of ocean were 9 protected in the year.

    Liesbeth van der Meer is a scientist at Oceana, a group working to 10 the oceans. She said Chile's new reserve was a great victory(胜利) for the world's oceans.

    Do you know Zhang Yunlei? He is a crosstalk performer(相声演员) in Deyun Club. He learns from Guo Degang and is one of his best disciples(徒弟). Now many people like to go to Deyun Club to watch his shows.

    Zhang Yunlei is 27 years old this year. He is from Tianjin.  He is really handsome He is over 180 cm tall, and he is kind of thin. He has a long face, a big nose and he has small eyes. He doesn't wear glasses.

He is funny when he speaks crosstalk, but he is shy in his real life. He works hard to bring happiness to people.

    The famous scientist and thinker, Charles Darwin, was born on February 12, 1809.As a boy, Charles liked to go for walks in the fields and forests. He enjoyed watching nature, and comparing what he saw with everything he had read in science books. He also liked collecting very much. He collected many things, such as birds, eggs, stones and leaves.

    At sixteen Darwin was sent to the University of Edinburgh to become a doctor. But he was interested in the history of nature.

    Then he was sent to study in the University of Cambridge. There he studied until 1831.

    Some time later he heard that the ship Beagle was going on a trip to South America and wanted a scientist. His teacher advised him to go. So when the Beagle left England in December, 1831, Darwin was on it.

    The trip lasted almost five years. Darwin saw many new plants and animals. He collected all kinds of plants.

    In 1842 Darwin went to live in Kent, and there he continued his studies of change in nature. Darwin understood that plants and animals are not always the same, and that they really change.

    By 1859 Darwin had finished his famous book The Origin of Species. It made a great hit in the world of science. He was opposed(反对)by the church and even by some scientists. But later, more and more scientists agreed with him.

    In1871 Darwin wrote another important book. Darwin continued his studies in science until he died in 1882.