题目内容
3.The polar bear is a very big white bear.We call it the polar bear because it lives inside the Arctic near the North Pole.There are no polar bears at the South Pole.The polar bear lives in the snow and ice.At the North Pole there is only snow and water.There is not any land.You can not see the polar bear in the snow because its coat is yellow white.It has a very warm coat because the weather is cold at the north of the Arctic.
The bear is three meters long,and it weighs 450kilos.It can stand up on its back legs because it has very wide feet.It can use its front legs like arms.The polar bear can swim very well.It can swim 120kilometers out into the water.It catches the fish and the sea animals for food.It goes into the sea when it is afraid.
People like to kill the polar bear for its beautiful white coat.The governments of Canada,the USA and Russia say that no one can kill polar bears now.They do not want all of these beautiful animals to die.
72.The polar bear livesB.
A.at the South Pole
B.near the North Pole
C.in warm countries
D.on land
73.At the North Pole there is noD.
A.Ice
B.Snow
C.water
D.Land
74.You cannot see the polar bear in the snow becauseA
A.It has a yellow-white coat
B.It can run very fast
C.It goes under the snow
D.It goes into the water
75.The polar bearB for food.
A.catches land animals
B.catches sea animals and fish
C.looks for trees
D.looks for fruit and vegetables.
分析 【文章主旨】这是一篇有关科普知识的阅读,短文介绍了北极熊的生活所在地,生活习性和身材特征,最后作者还借用加拿大政府,美国和俄罗斯的官方态度来呼吁大家保护北极熊.
解答 72 B 细节理解题.根据文中第一段中的We call it the polar bear because it lives inside the Arctic near the North Pole可知北极熊生活在北极附近,故选B.
73 D 细节理解题.根据文中第二段中的At the North Pole there is only snow and water.There is not any land可知在北极只有雪和水,没有陆地.故选D.
74 A 细节理解题.根据文中第二段中的You can not see the polar bear in the snow because its coat is yellow white你在雪地里看不到北极熊因为它的外套是黄白色的.故选A.
75 B 细节理解题.根据文中第三段中的It catches the fish and the sea animals for food.可知它以鱼和海洋生物为食.故选B.
点评 首先要仔细阅读文章,掌握大意,然后结合具体的题目再读短文,从中找出相关的信息,就可以确定正确答案.
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