【文章內(nèi)容簡介】 ave a culture too. When we speak of culture, we mean a way of life that a group of people have in mon. Culture is the forms of behavior that help people to live together. It is also the forms of behavior that make one group of people different from another group. Human beings use tools, cooperate(合作 ) with one another, and municate with language. But these aspects (方面 ) of human behavior, or “culture”, can also be found in the lives of certain animals. Animals can make tools, for example. We used to think that the ability to use tools was the dividing line between human beings and other animals. Lately, however, we have found that this is not the case. Chimpanzees (黑猩猩 ) can not only use tools but actually make tools themselves. Animals can also share knowledge with each other and use their own language to municate. So it may be important for us to know that the line dividing us from animals is not as clear as we used to think. ( ) 46. According to the article, “culture” means_______________. A. the languages we learn B. the good habits we share with each other C. the forms of behavior we have in mon D. a way of life that some people have in mon ( ) 47. From the fact that chimpanzees can use and make tools, we know _____________. A. animals may have a culture like our own B. animals can be as clever as human beings C. animals have the ability to help human beings D. animals can be more clever than human beings. ( ) 48. Which of the following statements is TRUE according to the article? A. Chimpanzees never help each other. B. Animals use their own language to municate. C. People from different places have the same culture. D. Animals can’t share knowledge with each other. ( ) 49. The traditional idea dividing animals from human beings is that____________. A. human beings can use tools B. human beings can depend on each other C. human beings have the language to municate D. human beings can make tools ( ) 50. The main idea of the article is that______________. A. the animal culture is different from the human culture B. knowledge and munication are no longer signs of only human behavior C. the line dividing human culture from animal culture is not as clear as we might think D. animals also have their own language to municate. B There are some easy things you can do to protect the environment and the earth. Choose ideas from the list or e up with a few of your own. Plant flowers, grass or trees. Whenever you visit a park or beach, take away what you bring there— keep rubbish in a bag until you can put it in a dustbin. Turn off the lights and TV sets when you leave the room. This can save a lot of electricity. Turn off the tap when you brush your teeth. You can save some water by not letting it run. Also, use a glass cup instead of a paper cup because this saves paper. Keep the doors and windows closed in winter to keep warm air in. Give your old books and magazines to a library instead of throwing them away. Give your old clothes to poor children you know instead of throwing them away. Use both sides of paper. Stop pouring dirty water into the rivers or lakes nearby. Encourage all your friends to do the same things you do to help protect the earth. You don’t have to wait until Earth Day to do these things. Make every day Earth Day. If everyo