从方框内选择正确的选项，完成短文，并把字母序号填写在短文中的横线上。其中有两个选项 是多余的。 A. long  B. to  C. my  D. life  E. pick up  F. relax  G. doesn't  H. asked  I. so  J. able  K. have to  L. me A teacher was giving a talk to his student about stress management (压力调的节). He raised a glass of water and 1._________ the students 'how heavy do you think this glass of water is?' The students' answers were from 20g 2._________ 500g. The teacher said, 'It does not depend on the weight (重量) of the glass of water.It depends on how 3.________ I hold it. If I hold it for a minute, it is OK. If I hold it for an hour, I will have an ache in 4.________ arms. If I hold it for a day, I will 5._________ call an ambulance (救护车). The weight of the glass of water 6.________ change, but the longer I hold it, it becomes. Stress in our 7.________ is just like this. If we carry our stress all the time, we will not be 8._________ to continue our study, since stress becomes stronger. What you have to do is to put the glass down and rest for a while before you 9.________ again. We have to 10._______ from time to time in order to work on again. In this way, out stress will get less and less.'