The American alligator (短吻鳄) is the largest reptile (爬行动物) in North America. Some of them can be over 5 metres long.

In North America, the bison (野牛) is the largest animal on land. If they are frightened, the American bison will run away and can reach a speed of 52 km per hour.

The white-tailed deer can run up to 58 km per hour. This North American deer can also jump as high as 2.6 metres and jump as far as 9 metres.

There is a frog that barks just like a dog. This barking frog is found in the southwestern part
of the United States.

The polar bear is a great swimmer and can swim as fast as 10 km per hour using only its front feet.

The wild turkey nearly died out in the early 1900’s, because people hunted many of them. This wild bird is making a comeback now.

The ________ is the largest animal on land in North America.

A．polar bear	B．bison
C．alligator	D．white-tailed deer

In the _____ of the United States, there lives a kind of frog that can bark like a dog.

A．southwest	B．southeast
C．northwest	D．northeast

The polar bear _________.

A．is good at running

B．is good at swimming

C．swims with its back legs

D．can jump as far as 9 metres

Which of the following is NOT true?

A．The alligator is the largest reptile in North America.

B．The white-tailed deer can jump as high as 2.6 metres.

C．Six kinds of animals are mentioned in the passage.

D．The wild turkey died out about 1000 years ago.