高压长线路空载运行时，线路末端电压高于首端电压。

根据短文内容，用方框中所给单词的适当形式填空。每词限用一次。

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If you feel stressed out, what do you do? Do some exercise or drink some tea? These may both work. You may ask what else you can do to deal with your stress.
The first step is to know   1 you feel stressed. Early signs（迹象）include back pain, headache, sleeping trouble, weight loss and so on .
The   2  step is to choose a way to deal with the stress. If you can, get rid of the cause of the stress. It is very helpful to find out the reasons that make you feel stressed. 
Change your attitude towards your stress, positive attitude can greatly help you keep away from the stress.
Face up to what is causing the stress until it isn’t stressful anymore.
Find a new hobby or sport. Take time to do what you enjoy.
Don’t always hide   3  feelings. Don’t be afraid to cry. Crying can help you let out bad emotions.
Find a stress-free place in your home. Your room would be a nice place for you. You’ll feel calm and   4  in your own room.
If you feel that you cannot deal with the stress on your own, think about outside help. You can talk to your   5  and friends. They may offer you some help.