题干

“化学多米诺实验”是利用化学反应中气体产生的压力,使多个化学反应依次发生.(整个反应只需要第一个反应发生,就好像多米诺骨牌游戏一样.)以下就是一个“化学多米诺实验”,已知H2O2在MnO2的催化作用下可分解产生O2和H2O.如图所示装置图中各仪器内盛放的物质分别为:A.稀硫酸;B.锌粒;C.3% H2O2溶液;D.MnO2;E.某溶液;F.某块状固体;G.滴有紫色石蕊试液的蒸馏水;H.足量澄清石灰水.请回答以下问题:

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How to stay in a good mood

    It's typical to feel your mood starting to become bad. If you want to be able to stay in a good mood, then you have to form these habits that will keep you feeling happy.

    ⒈Don't take love for granted.

    If you're lucky enough to have a special someone, then you should make your time together meaningful. ____Make time to spend time with your special someone. Being around your loved one has been proven to make people happier.

    ⒉Get regular exercise.

    Regular exercise is one of the most important habits that you need to form ____ You can go running three times a week and walk the other four. Just make sure to be as active as you can every day.

    ⒊Spend time with your friends.

    ____Of course, don't always hang out with friends when you have a free moment. Make sure you do make time to see friends at least once or twice a week, if you can.

    ⒋Get enough sleep.

    ____ One of the easiest ways to stay in a good mood is to be well-rested. Waking up feeling full of energy will make you feel much more ready to face the day and much more excited about everything ahead of you.

    ⒌____

    If you want to stay in a good mood, then you have to make sure that you eat three healthy and diverse meals every day. Start off with a healthy breakfast, and don't skip this meal no matter what things happen. Have light snacks throughout the day, like yogurt or fruit, to keep you energetic.

A. Have a healthy eating schedule.

B. Make sure that you sleep for 7-8 hours a day.

C. Do begin with a healthy breakfast in the morning.

D. Hanging out with friends will keep you feeling alive

E. Don't stop doing the things you love with the person you love.

F. However, you don't have to do the same boring old thing every day.

G. Once you start exercising, do the same sports at the regular time every day.