题目内容：

    Three kinds of bears live in the United States. They are the black bear, the brown bear, and the polar bear.

Black Bears

Black bears are the most common of the three. They live in forests in many different parts of the country. Even though they are known as black bears, they are not always black. Sometimes they are brown or tan, and a few are even white. Black bears are usually about five or six feet long, and they are the smallest of the three kinds of bears.

Brown Bears

Brown bears are found in a few western states and in Alaska. They live in forests as well as in open areas called the tundra. Brown bears are usually light or dark brown and can grow to be very large. In fact, some are eight feet long!

Polar Bears

Polar bears can be found in Alaska, which is in a cold area near the North Pole called the Arctic, where there are no trees. Polar bears are white, and they are the largest of the three kinds of bears. They are a little longer and usually heavier than the brown bear.

Other Interesting Things

Bears eat different things. Black and brown bears eat fish and other kinds of meat, roots, and berries Polar bears eat fish other meat seaweed, and grass. All three types of bears eat as much food as they can find just before winter, Then during the cold months they sleep in caves or hollowed—out trees called “dens”, which keep them warm. Winter is when the female bears have their babies. All three types of bears have between one and four cubs. The cubs are born while the mother bear sleeps!

All people are afraid of bears. However, bears are actually shy. Most bears try to stay away from people, but still, bears can be dangerous at times.

1.How many kinds of bears are mentioned in this passage?

A.one B.two C.three D.four

2.The writer wrote this article mainly to________.

A.tell people not to feed bears B.Describe three kinds of bears

C.Show how dangerous bears are D.Explain why bears sleep all winter

3.Polar bears live________.

A.near the North Pole B.near large forests

C.in many parts of the country D.in a few western states

4.Why do bears eat as much as they can before winter?

A.They are only hungry just before winter. B.They sleep all winter and need energy.

C.They are too shy to come out during winter. D.They cannot find anything to eat in winter

5.Which sentence from the article is an opinion?

A.Bears eat different things.

B.All people are afraid of bears.

C.Three kinds of bears live in the United States.

D.Brown bears are found in a few western states and in Alaska.