题目内容
2.Algae(水藻) are very simple plants.They grow in fresh water or salty water.Seaweed is algae that grow in salty water.Seaweed is red or brown in color.The Japanese people use these plants from the sea in many ways.From it,they make a food called Kombu.Kombu is seaweed that has been dried,cooked and pressed together.Then it is dried again and cut into long pieces.The Japanese eat a lot of Kombu and like it very much.Japanese farmers often use seaweed as fertilizer.It makes their plants grow better.Many farmers also find seaweed makes a fine food for their animals.
From seaweed the Japanese also get iodine(碘),which they sell to other countries.Iodine is used in many ways all over the world.It is used in making medicine.It is added to the salt we use at the table.Scientists even use one form of iodine to"seed clouds"when they want rain to fall.
21.Kombu is a kind ofD according to the text.
A.plant
B.medicine
C.fertilizer
D.food
22.In the last sentence of the text,"seed clouds"meansB.
A.clouds spreading like seeds
B.to make rain fall with human power
C.the seeds like clouds
D.dropping seeds by clouds
23.The main idea of the story is thatA.
A.The Japanese use seaweed in many ways.
B.Kombu is made into medicine for farmers.
C.The Japanese eat seaweed when they want rain to fall.
D.The Japanese eat a lot of Kombu.
分析 本文是一篇科教类阅读,属于说明文,主要介绍了非常简单的植物水藻,它们生长在淡水或咸水.海藻是生长在咸水里.海藻的颜色是红色或褐色的.日本人在很多方面利用这些植物.
解答 21.D.细节理解题.根据From it,they make a food called Kombu.可知,Kombu是一种食物,所以选D.
22.B.词义猜测题.根据上下文内容可知,seed clouds是指像云一样的种子,所以选B.
23.A.主旨大意题.根据The Japanese people use these plants from the sea in many ways.及后文可知该段落的主要内容是说日本人在许多方面使用海藻,所以选A.
点评 本文是一篇科教类阅读,题目涉及多道细节理解题,词义猜测题,主旨大意题.做题时学生应仔细阅读原文,把握文章主要内容,联系文章上下文内容并结合所给选项含义,从中选出正确答案,一定要做到有理有据,切忌胡乱猜测.
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