题目

We high school students do have some growing pains, but we can get rid of them correctly and wisely.   1         , some of us are upset    2         their body styles and looks. It’s unnecessary and it’s not important at all. We needn’t care about it. It is one’s inner beauty   3           matters. Second, we sometimes seem to be misunderstood     4            our teachers, parents and classmates.    5            (face) with this, we can find a proper time to have a heart-to-heart talk with them, trying to remove the    6下图为草原生态系统的食物网简图，据图回答下列问题：（1）图中所有生物若要构成一个完整的生态系统， 缺少非生物部分和_________。（2）本图中有_____条食物链，请写出最长的一条食物链_______________。（3）图中鹰和蛇的关系为___________________。