Do you w____your own blog(博客)？Do you often r____others' blogs on the Internet?

All ____ the world, not only famous people but also many students use b____ to share their e____ and ask for advice or help. "It's a good way to ____ my life to the world, "a student says. She has had her blog f____ eight months. Students like ____(write) blogs. O____you start to write your blog, you will find that you o____up a new world. But what you write down may trouble you sometimes. So, use the blog carefully so that you can keep yourself away from some trouble. The blog makes everybody's life colorful.

下列《沁园春•雪》中作者“望”见的景物有（   ）。

我们快乐是因为（      ）

如图所示，竖直向上抛出的篮球重为G，受到的空气阻力小于G，篮球在竖直上升过程受到的合力（　　）