【正文】
our eyes show you light, color, shape, and size. Your eyes can help you decide how far something is.Some people cannot see things as well as other people. Young people can usually see better than older people. When they have trouble seeing things that are close but can see things that are far away easily, they are called 3 . When the 4 happens, and they can39。t see things that are far away but can see things that are near, they are called nearsighted. Wearing glasses helps 5 seeing problems.Human beings have a very weak sense of smell. As people 6 and began to use reason more, they didn39。t need to smell things quite as well as other animals did. After 7 a particular smell for a while, your sense of smell gets tired. When you first e into the house, you can smell dinner cooking, but after that your olfactory nerves get overtired and then you don39。t smell anything at all. Some people develop their sense of smell for a special use. A perfume maker can 8 all the different flowers from each other by their different smells. A wine maker has the same 9 for telling wines from each other by their smell. The sense of touch is also very important. We use it in several ways. Since our skin covers all of the body, our skin protects us, and at the same time it gives us information about what is around and outside your body. When we touch something our skin tells us if that thing is strange or familiar, wet or dry, hot or cold, 10 or smooth, hard or soft. Many times it gives us messages about all of these things all at the same time. The skin protects our body in another way it keeps out harmful organisms that cause disease and infection.答案15 CCCBD閱讀延伸 2. images 3. farsighted 4. opposite 5. correct 6. evolved 7. sensing 8. tell 9. talent 10. ro