还是得结合文中内容去理解
既然介绍了两种植物，其中一个例子是diatom，那么推测一下作者的目的，是想要考啥？
英语和语文的阅读理解确实容易想多了，想多了就做错了。咱们也是从这时候过来的，容易钻牛角尖。哈哈哈
【 在 lhsx555 的大作中提到: 】
: 文章：
: There are different types of plants all around us. We only know some of them in the gardens or in the markets.Today I will introduce two kinds of plants you might not know.
: The diatom is one of the smallest plants in the world.A drop of water may have about 500
: ...................
--
FROM 117.133.151.*