题干

襄襄和樊樊在“探究并联电路中干路电流与各支路电流有什么关系”时,利用一个开关、一个电流表、一个学生电源(有多个电压档位)、四个阻值不等的电阻以及若干条导线,进行了大胆探究。如图所示是他们的实验电路图。

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七选五

    Positive thinkers don't only live happier lives,and have better health but they are also more likely to reach their goals. ____ Even if a negative thinker managed to succeed,his life is still going to be tough because he won't be able to enjoy the success he achieved.Then how to become a positive thinker?

    ●Stay around positive people.

    Have you ever felt bad for no reason just because you were around someone who was feeling bad? ____ So one of the best ways to stay positive is to spend more time with positive people.

    ●Reduce the stress in your life.

    Stress isn't only harmful to your life but it can also change your opinion of the world. ____ If you can spend enough time relaxing and restoring your energy each day,you will become a more positive person.

    ●Train your mental muscles.

    The more you think positively,the more likely your brain structure is going to change and the more naturally positive thoughts will come to you. ____ The more you train your mind to think negatively,the more likely you will become a natural negative thinker.

    ● ____

    Read about the stories of successful people and watch movies that promote positive thinking.Whenever you get exposed to positive media your mind gets trained to think positively and as a result you will become a positive thinker.Avoid negative media at all costs for they can do the opposite to you.

A.Learn from successful people.

B.Get exposed to positive media.

C.The opposite also happens with negative thinking.

D.Start right now to train your mind on positive thinking.

E.People infect each other with their emotions and beliefs.

F.The more stressed you become,the more likely you are to worry.

G.Negative thinking ruins people's lives and prevents them from succeeding.