Swans are beautiful birds. You must like their beautiful feathers and beautiful

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Swans are beautiful birds. You must like their beautiful feathers and beautiful dancing. But how much do you know about them? Do you know that swans belong to the same family as ducks?
Swans are birds of the family Anatidae (鸭科). This family also includes geese (鹅) and ducks. Swans are the largest members of the duck family Anatidae, and are one of the largest flying birds. Swans can fly as fast as 60 miles per hour . Their wingspans can be almost 3 m. The largest swans can reach length of over 1.5 m and weigh over 15 kg. Males are usually bigger and heavier than females.
Swans usually have only one lover for life time. Swans begin breeding(繁殖) between the ages of 3-4. Female swans generally lay five to eight eggs per year, all within days of one another. Their eggs are very big. Some may weigh 400 grams. However, she will not start hatching (孵化) them until the last egg is laid. It takes swans between 35 and 42 days to hatch their eggs .
Swans are beautiful. The swans living in Northern Hemisphere (半球) have white feathers but the ones who live in Southern Hemisphere are black and white. The legs of swans are usually a dark blackish grey colour.
Swans usually live in warm places, always close to some sort of water. Swans feed in the water and on land. They mostly eat plants in the water. Their nests (巢) are on the ground near water and about a metre across. The male helps build the nests.

An Introduction to Swans
Family	Swans, geese and ducks are of the   小题1:  family, Anatidae.
Appearance	Size: They are one of the    小题2:    flying birds. Her wing span will grow to 1.5 metres  小题3:. 小题4:  : They can be as heavy as 15 kg. Colours: The swans living in the  小题5:  Hemisphere are white. Those living in the Southern Hemisphere are black and white. They have dark blackish grey legs. Feathers: over 25000.
小题6:	They can dance __小题7:__. They can fly as fast as 60 miles per hour.
Lifestyle	小题8:  habitat: They live in warm places near water. Diet: They live on    小题9: plants. Nests: They build nests on the ground near water, about a metre across. Breeding(繁殖): They  小题10: from 5 to 10 eggs that take from 35 to 42 days to hatch.

答案

小题1:duck
小题2:largest
小题3:long
小题4:weight
小题5:Northern Hemisphere
小题6:Ability
小题7:beautifully
小题8:Living
小题9:water
小题10:lay

解析

试题分析：这篇短文中作者主要介绍了天鹅的科属，天鹅的外貌特征，天鹅的飞行能力以及他们的生活习性。
小题1:根据短文信息Swans are the largest members of the duck family Anatidae, 天鹅属于鸭科家族，故填duck。
小题2:根据短文信息Swans are the largest members of the duck family Anatidae, and are one of the largest flying birds 可知天鹅是最大的飞行鸟类之一，故填largest。
小题3:根据短文信息The largest swans can reach length of over 1.5 m and weigh over 15 kg 。1.5米长 1.5 metres long。
小题4:根据They can be as heavy as 15 kg可知这里指的是重量，应该用名词weight
小题5:根据短文信息The swans living in Northern Hemisphere (半球) have white feathers可知此空填  Northern Hemisphere。
小题6:此表格描述的是天鹅的飞行能力。故填Ability。
小题7:根据短文信息You must like their beautiful feathers and beautiful dancing可知此空填 beautifully修饰动词dance。
小题8:根据They live in warm places near water可知这里指的是居住的地方。生活栖息地 Living habitat:
小题9:根据短文信息They mostly eat plants in the water water可知天鹅主要以水草为食。
小题10:根据the last egg is laid.可知下蛋，产卵用动词lay。