依次填入下面一段文字横线处的语句，衔接最恰当的一组是(　　)

一滴水在宇宙中不过是一个微小的点，______________。

①这就意味着整个太阳已经被“压缩”进一个小水滴之中

②我们的眼睛不过几厘米大小，却能看到整个星空，只有整个星空的信息被浓缩进空间的每一个点上，这才有可能

③可是它却能反映出整个太阳

④当我们凝视少女那秋潭般碧澈的眼睛时，似乎看到了一个奥妙无穷的宇宙

⑤于是，当我们面对清晨绿叶上的串串露珠时，仿佛看到无数的太阳在微风中舞蹈

    World Wildlife Fund (WWF)and Greenpeace are two famous organizations in the world. They both aim at making our planet a better place to live.
    World Wildlife Fund works to protect wild animals and plants. It began in Switzerland on September 11,1961.Now,it has offices in 100 countries and nearly 5 millions members all over the world. The members are from different groups ,including governments, business, scientists and farmers. They have played an active role in saving animals and rainforests. One recent WWF project is protecting the Amazon rainforest. WWF has done plenty of research to find creative ways that meet the need of both people and nature.
    Greenpeace was set up in 1971,with an idea of working for world peace at the very beginning. Now it is active in protecting oceans, forests, and animals as well. It also calls for the use of clean energy, like wind power and solar power. Greenpeace has offices in 45 countries such as America and Canada. Its head office is in Netherlands. Greenpeace has about 3 million members at present. Small steps lead to big changes. It encourages more and more people to take action.

下列物质的用途与该物质的物理性质有关的是（　　）