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计算题:要度量某软件的质量要素F1(正确性),假设C11=0.3,C12=0.3,C13=0.4,其余的C1k=0,F1对可追踪性的测量值M1=0.7、对完全性的测量值M2=0.9、对一致性的测量值M3=0.6,试求正确性的度量值F1。

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小题1: Many students feel stressed around big moments in their lives like during final exams or when applying to college. Stress can be a pretty dangerous thing, because it can cause you to become sick.. Here are some ways to cope with stress:

Laugh   Laughter is really one of the best medicines. When things get stressful, do things that make you laugh. Watch a funny movie. 小题2:  Chat with friends and family.

Take a Deep Breath  Breathing is a great way to reduce your stress. Taking deep breaths or doing breathing exercises may seem silly, but it do help you relax and clear up your mind.

Plan Ahead  Most students tend to study hard when test time comes close or do their homework right before it is due. However, having a plan will do a lot to decrease your stress.  小题3:   

Sleep  Sleep is another great tool in reducing stress. 小题4: You should be getting at least 6 to 8 hours of sleep each night. As you know, a lack of sleep can be bad for your health.

Learn to Say “No”   小题5: So there are times when it is okay to say “no” to the requests of friends, families and teachers. If it is going to add too much to your stress level, just say so.

A.There are a lot of ways to deal with stress.

B.Sometimes life gets pretty stressful.

C.Read an interesting book.

D.Some stress comes from doing everything you’re asked to do.E. It is essential that we allow our bodies to recover from daily stress.

F. Give yourself the appropriate amount of time to complete tasks, and break those tasks down into manageable portions.

G. You can lose yourself for a while in the music.

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