小学校内英语阅读简单，就是到文章中找答案。
这个题，文中搜索关键句：They are so small that you can see them only through a microscope.
这个句子所说明显和题目中的 with your eyes without any help 相悖，所以判断为错误。
告诉孩子：小学阅读很少考细节，所以不需要揪字眼儿。
这里的 all kinds of，就是 all 的意思，理解成“全部”就成。
【 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
: ...................
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FROM 103.35.105.*