题干

如图表示叶绿体中色素吸收光能的情况.据图判断,以下说法不正确的是(    )

A:由图可知,类胡萝卜素主要吸收400nm~500nm波长的光

B:用450nm波长的光比600nm波长的光更有利于提高光合作用强度

C:由550nm波长的光转为670nm波长的光后,叶绿体中C3的量增加

D:土壤中缺乏镁时,植物对420nm~470nm波长的光的利用量显著减少

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C

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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.

1)Don'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.

2)Get 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.

3)Spend 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.

4)Get 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.

5)____

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

B. Have a healthy eating schedule.

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

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

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

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

G. Hanging out with friends will keep you feeling alive