7.Which is the advice given to parents in the text ?

    A.Buy fewer toys for their children .      

B.Form good habits for their children

    C.Spare some time to play with their children.  

D.Arrange the toys in a proper way .

C

    The total area of land on earth is estimated (估计)as 149 million square kilometers ,or about 39 percent of the total area of the earth .

    The average height of the land is about 750 metres above the sea level .The Eurasian(欧亚的)land mass is the largest with an area of 54,527,600 square kilometers .The smallest continent is the Australian mainland ,with an area of about 7,614,600 square kilometers ,which together with Tasmania ,New Zealand ,New Guinea and the Pacific Islands ,is described as Oceania .The total area of Oceania is about 8,935,500 square kilometres ,including West Iran which is political in Asia .

    The world’s largest peninsula(半岛)is Arabia ,with an area of about 3,327,500 square kilometres .

    The largest island in the world is Greenland ,with an area of about 2,175,600 square kilometres. The largest island surrounded by fresh water is the Ilha de Marajo (4,022 square kilometres) in the mouth of the Amazon River ,Brazil .The largest island in a lake is Manitoulin Island(2,766 square kilometres) in the Canadian section of Lake Huron . This island itself has on it a lake of 106 square kilometres called Manitou lake ,in which there are several islands .

 0  255202  255210  255216  255220  255226  255228  255232  255238  255240  255246  255252  255256  255258  255262  255268  255270  255276  255280  255282  255286  255288  255292  255294  255296  255297  255298  255300  255301  255302  255304  255306  255310  255312  255316  255318  255322  255328  255330  255336  255340  255342  255346  255352  255358  255360  255366  255370  255372  255378  255382  255388  255396  447348 

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网