Yuan Longping is one of China's most famous scientists. ____(work) the land to do his research, he considers himself a farmer. Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers, ____ he has struggled for the past five decades. When he was young, he saw many people dying of ____ (hungry), which was a ____(disturb) problem in many parts of the countryside. Then, he devoted all his time and energy ____searching for a way to increase rice harvests without expanding ____ area of the fields. In 1973, he became the first agricultural pioneer in the world ____ (grow) rice that has a high output. Now, he remains ____(circulate) his knowledge in many less developed countries to increase their rice harvests. He is quite ____(satisfy) with his life. However, he doesn't care about being famous. He feels it gives him less freedom to do his research. In his view, spending money on himself or ____ (lead) a comfortable life means very little to him. He therefore gives much money to equip others for their research in agriculture.

    Mary likes to invent things. She creates a new language and teaches it to her friend, Jean. Mary and Jean like to talk to each other in their own language because they think no one understands them and it is funny. When they go shopping, they say things like: "Look! He is fat.” “This CD is awful." "I want to eat free hamburgers.”A clerk comes but he can't understand what they say. He asked them: “May I help you?”Mary and Jean just laugh. What fun it is to create something new.