The ability to forgive others is a great thing that can certainly help to make life happier for everyone. However, some people think that it is very 1 to do, and they don't know how to forgive others, especially their family and friends. This is all 2 they don't understand the meaning of “forgiveness”.

    In the dictionary, “to forgive” means “to 3 feeling angry with somebody that has done something bad to you.” I'm happy that many people have 4 in doing this. I have succeeded, too, and I know how hard it is.

    I lived with a friend for two years. During that time, he did cause me many 5. I easily got angry when communicating with him. However, we 6 had a talk about our problems. When he pointed out that I wasn't treating him like a friend, I was 7. I never knew that I also needed to be forgiven for doing something wrong. I thought however 8 I might get, I did love my friend deep in my heart. Then I understood the saying, “To love is to forgive.” And when we 9 each other, we feel great. After that long talk, we both 10 those bad moments. Our friendship became fresh again.

    Now I understand the meaning of forgiveness better.

固体、液体、气体分子之间都有  ____    。   ____    分子间的空隙最大，一般情况下    ____    分子间的空隙最小。

小明发现电脑是利用风扇来降温的，他想知道风扇产生的空气流动强度与哪些因素有关。他猜想可能与风扇的扇叶宽度、扇叶长度、扇叶倾斜角度都有关系。为此他制作了几个不同的小风扇，并用一个转速为300转/分的电动机分别带动这几个风扇转动，去吹动同一位置的同一纸片（下图所示）。下表为实验记录的数据：