题目

今年五一假期，小江一家开车到开化江源游玩。下列是小江对游玩场景的描写，其中符合科学道理的是（ ）A.早上冲出家门，由于受到惯性的作用，跑到车边很难停下B.上车后系上安全带可以减小行车时的惯性，从而减少意外伤害C.上山过程中惯性越来越大，导致爬山越来越慢D.爬上山顶抛出太阳帽，太阳帽离手前后惯性不变Being fit is a way of saying a person eats well,gets a lot of physical exercise,and has a healthy weight.There are a lot of discussions these days about fit kids.1.1.Eat a variety of foods.You may have a favorite food,but the best choice is to eat a variety.2.Taste new foods and old ones you haven’t tried for a while.Some foods,such as green vegetables,are more pleasing the older you get.Shoot for at least five servings of fruits and vegetables a day-two fruits and three vegetables.2.Listen to your body.What does it feel like to be full?When you're eating,notice how your body feels and when your stomach feels comfortably full.Sometimes,people eat too much because they don't notice when they need to stop eating.3.And over a period of time,overeating can lead to unhealthy weight gain.3.4..What’s screen time?It’s the amount of time you spend watching TV or DVDs,playing video games,and using the computer.The more time you spend on these sitting-down activities,the less time available for active stuff, like basketball,bike riding and swimming.5.These rules aren’t magic.However,follow them most of the time and you can become a fit kid sooner or later.A.Limit screen time.B.If you're a kid who wants to be fit,here are three rules to live by.C.Drink water and milk.D.Ask your parents to help you do your favorite activities regularly.E.Eating too much can make you feel uncomfortable.F.If you eat different foods,you're more likely to get the nutrients your body needs.G.Try to spend no more than 2 hours a day on screen time.