题目内容
7.If you are lucky enough,you may find the hummingbird (蜂鸟),the smallest bird of the animal world,in a south American forest.Though the hummingbird is no bigger than a bee and weighs only 2to 3grams,it can fly as fast as 50meters in a second.It can fly forwards (向前) as most birds do,and it can fly backwards as well.The strangest thing about it,however,is that it can stay still in the air,just like a helicopter.
Whenever a hummingbird needs food,it will fly slowly towards a flower.It won't stand on the flower,as bees do,but just hangs to the flower and then begins to sunk (吸吮) the honey from inside the flower with its needle-like beak.
The hummingbird is very particular in building its nest (巢).It takes great trouble to choose materials.It likes soft ones better than hard ones.Its eggs are so small that a common match box can hold as many as one hundred of them.
46.Most of the hummingbirds live in a(n)D forest.
A.north American B.south Asian C.north Asian D.south American
47.A hummingbird can fly as fast asA meters in a second.
A.fifty B.five hundred C.fifteen D.one hundred and fifty
48.The underlined word"helicopter"most probably meansD.
A.轮船 B.公共汽车 C.火车 D.直升飞机
49.When a hummingbird builds a nest,it likesA better.
A.soft materials B.hard materials C.an material D.both
50.Which of the sentences is NOT true?C
A.A hummingbird can even fly backwards.
B.You cannot see the wings of a hummingbird move.
C.A hummingbird will fly quickly towards a flower when it's hungry.
D.A common match box can hold as many as one hundred hummingbird eggs.
分析 本文介绍了蜂鸟的生活习性.蜂鸟生活在南美洲的森林里,每秒钟飞行50米.当蜂鸟需要食物时,它会慢慢地向花飞去.蜂鸟喜欢使用柔软的材料来建巢.
解答 46.D 细节理解题.根据 you may find the hummingbird (蜂鸟),the smallest bird of the animal world,ina south American forest.可知蜂鸟生活在南美洲的森林里.故选D.
47.A 细节理解题.根据it can fly as fast as 50 meters in a second.可知蜂鸟每秒钟飞行50米.故选A.
48.D 词义猜测题.根据 上一句:it can stay still in the air,可知停留在空中,可知此处应该是:因此像直升飞机,故选D.
49.A 细节理解题.根据 It takes great trouble to choose materials.It likes soft ones better than hardones.可知蜂鸟喜欢使用柔软的材料来建巢.故选A.
50.C 理解推断题.根据Whenever a hummingbird needs food,it will fly slowly towards a flower可知每当蜂鸟需要食物时,它就会慢慢飞向花朵.故选C.
点评 做题时要在理解好文意的基础上,与题目有机的结合,从文章中找到相关细节性的句子与选项细细比对,进行选择或推理判断,选出符合文章内容的正确选项.做题注意灵活,有时可采用排除法或直选法确定出最终答案.
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