在长期堆放煤的地方，地面和墙角都会染上一层黑色，用力刮去一层墙的表皮，可以看到里面还有黑色，这说明____ ；两滴水银靠近时，能自动结合成一滴较大的水银，这一事实说明分子间存在着____ ； “破镜重圆”是一种良好的愿望，我们可以将两块表面光滑的铅块挤压后黏在一起，但是两块破镜却做不到，这是因为镜子断裂处的绝大多数分子间的距离较____ ，分子间几乎没有力的作用．

    When you talk to people in the training camp, you'll probably find that a lot of them are feeling just like you are. They're all new to the school and don't know what to ____ Talking about a common interest with your classmates can help you develop____

    The work in high school sometimes worries freshmen a lot. The work in high school gives you more knowledge of many subjects. So you may find it's a bit more challenging. If you ever find your work too difficult, teachers can ____ you.

    High school also has more after-school activities, such as music and theatre groups, sports teams and____. This is a good chance to learn how to be more independent. It is also a good time to develop your interests and try new things.

在下面实例中，属于增大压强的是（　　）

从奇思家到学校怎么走？用两种方法表示出学校的位置。

读如图两幅图，回答问题：