“If you want to see a thing well, reach out and touch it!”That may seem a strange thing to say． But touching things can help you to see them better． Your eyes can tell you that a glass ball is round． But by holding it in your hands, you can feel how smooth* and cool the ball is． You can feel how heavy the glass is． When you feel all these about the ball, you really see it． With your skin, you can feel better． For example, your fingers can tell the difference between two coins*  in your pocket． You can feel a little drop of water on the back of your hand, too.
All children soon learn what “Don’t touch!” means． They hear it often． Yet most of us keep on touching things as we grow up． In shops, we touch things as we might buy: food, clothes． To see something well, we have to touch it.
There are ways of learning to see well by feeling． One way is to close your eyes and try to feel everything that touching your skin． Feel the shoes on your feet, the clothes on your body, the air on your skin． At first, it is not easy to feel these things． You are too used to them!
Most museums are just for looking． But today some museums have some things to touch． Their signs say, “Do touch!” There you can feel everything on show． If we want to see better, reach out and touch． Then you will really see!
【小题1】By touching things, ______.

“If you want to see a thing well, reach out and touch it!”That may seem a strange thing to say． But touching things can help you to see them better． Your eyes can tell you that a glass ball is round． But by holding it in your hands, you can feel how smooth* and cool the ball is． You can feel how heavy the glass is． When you feel all these about the ball, you really see it． With your skin, you can feel better． For example, your fingers can tell the difference between two coins*  in your pocket． You can feel a little drop of water on the back of your hand, too．
All children soon learn what “Don’t touch!” means． They hear it often． Yet most of us keep on touching things as we grow up． In shops, we touch things as we might buy: food, clothes． To see something well, we have to touch it．
There are ways of learning to see well by feeling． One way is to close your eyes and try to feel everything that touching your skin． Feel the shoes on your feet, the clothes on your body, the air on your skin． At first, it is not easy to feel these things． You are too used to them!
Most museums are just for looking． But today some museums have some things to touch． Their signs say, “Do touch!” There you can feel everything on show． If we want to see better, reach out and touch． Then you will really see!
【小题1】By touching things, ______．

American black bears appear in a variety of colors despite(尽管) their name. In the eastern part, most of these bears have shiny black fur, but in the west they grow brown, red, or even yellow coats. To the north, the black bear is actually gray or white in color. Even in the same litter(胎), both brown and black furred bears may be born.
Black bears are the smallest of all American bears, ranging in length from five to six feet, weighing from three hundred to five hundred pounds. Their eyes and ears are small and their eyesight and hearing are not as good as their sense of smell. Like all bears, the black bear is timid and rarely dangerous, but if attacked, most can climb trees or cover ground at great speed. When angry or frightened, they are formidable(可怕的) enemies.
Black bears feed on leaves, roots, fruit, insects, fish, and even larger animals. One of the most interesting characteristics of bears, including the black bear, is their winter sleep. Unlike squirrels and many other woodland animals, bears do not actually sleep through the winter months. Although the bear does not eat during the winter months, sustaining(维持) itself from body fat, its temperature remains almost normal, and it breathes regularly four or five times per minute.
Most black bears live alone, except during the mating(交配) season. They prefer to live in caves. Baby black bears are born in January or February after a gestation(怀孕) period of six to nine months, and they stay with their mother until they are fully grown or about one and a half years old. Black bears can live as long as thirty years in the wild, and even longer in some nature reserves.
【小题1】American black bears may have ___________ colours according to the passage.