从分别写有1，2，3，4，5的五张卡片中任取两张，假设每张卡片被取到的概率相等，且每张卡片上只有一个数字，则取到的两张卡片上的数字之和为偶数的概率为(    )

生活中的植物很多，有紫菜、向日葵、高粱、蕨菜、油松和葫芦藓等，如果将紫菜、蕨菜、葫芦藓分为一类，将向日葵、高粱、油松分为一类，则分类依据是 ____，其中上述植物中能产生种子，但没有果皮包被的是____，没有根、茎、叶的是____。

cos$\frac{2}{3}$$\mathrm{\pi }$=（　　）

The boy always wears ______ coat ______ his brother.

    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.