完形填空

　　There are many kinds of animals in the world．Elephants are the 1 　 animals that live on land．Only some kinds of whales (鲸鱼) are bigger than elephants，but they live in the 2 ndline．The tallest animals are giraffes (长颈鹿) and the elephants are only the 3ndline　 tallest ones in the world．They live in Africa (非洲)．It can be 5．5 meters tall．Elephants are the only animals that have a long 4 　 that is called trunk．They can use the trunk like a hand．5ndline　 its trunk，an elephant can pick up a 270 kg tree，or pick up one peanut(花生)．Elephants have the biggest ears of all the animals．Their tusks (象牙) are the biggest teeth．

　　There are 6 ndline　 kinds of elephants桝frican elephants and Indian elephants．Indian elephants are 7 ndline　 called Asian elephants．

　　Elephants are very strong and very smart (聪明的)．People have used elephants for 8 ndline　 work for thousands of years．

　　The cheetah(猎豹)is also from Africa．It is in the cat family．A cheetah can run 110 km／hr．The ostrich (鸵鸟) from east Africa is the largest bird in the world．But it 9 ndline　 fly．

　　The kangaroo (袋鼠) lives in ustralia．It is an old kind of animal．A 10 ndline　 kangaroo lives in its mother's pouch (育儿袋)．It leaves the pouch when it is about six months old．And many people think they are very lovely．

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