阅读理解。 The polar bear is a very big white bear. We call it the polar bear because it lives inside the Arctic near the North Pole. There are no polar bears at the South Pole. The polar bear lives in the snow and ice. At the North Pole there is only snow and water. There is not any land. You can not see the polar bear in the snow because its coat is yellow white. It has a very warm coat because the weather is cold at the north of the Arctic. The bear is three meters long, and it weighs 450 kilos. It can stand up on its back legs because it has very wide feet. It can use its front legs like arms. The polar bear can swim very well. It can swim 120 kilometers out into the water. It catches the fish and the sea animals for food. It goes into the sea when it is afraid. People like to kill the polar bear for its beautiful white coat. The governments of Canada, the USA and Russia say that no one can kill polar bears now. They do not want all of these beautiful animals to die. 1. The polar bear lives _____. A. at the South Pole B. near the North Pole C. in warm countries D. on land 2. At the North Pole there is no _____. A. ice B. snow C. water D. land 3. You can not see the polar bear in the snow because _____. A. it has a yellow white coat B. it can run very fast C. it goes under the snow D. it goes into the water 4. The polar bear _____ for food. A. catches land animals B. catches sea animals and fish C. looks for trees D. looks for fruit and vegetables 5. When the polar bear is afraid, it _____. A. goes into the sea B. runs away C. goes under the snow D. stands up on its wide feet