Question

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.

1.Kombu is a kind of ____ according to the text.

A. plant      B. medicine          C. food        D. fertilizer

2.In the last sentence of the text, “seed clouds” means ____.

A. clouds spreading like seeds

B. to make rain fall with human power

C. the seeds like clouds

D. dropping seeds by clouds

3.The main idea of the story is that ____.

A. The Japanese eat seaweed when they want rain to fall.

B. Kombu is made into medicine for farmers.

C. The Japanese eat a lot of Kombu.

D. The Japanese use seaweed in many ways.

Answer

1.C

2.B

3.D

【解析】

试题分析：短文大意：本文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。

1.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C。

2.词义猜测题。seed clouds是指像云一样的种子，所以选B。

3.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D。

考点：科普环保类阅读。