Make Changes to Lose Weight

    Making these easy changes realty can help you lose weight.____You can help prevent overeating by eating something about every three hours. Getting too hungry will get in your way to eat healthily. Make sure you know how many calories should come from snacks, and then aim for a healthy snack, such as an apple.____One of the worst ways to lose weight is meal skipping. Many people think skipping meals is a great way to cut calories, but in the end, they fail to lose weight. You'll be more likely to overeat if you do not eat regular meals.____Water helps you lose weight in several ways. Drinking water rather than other kinds of drinks can cut hundreds of calories. Don't wait until you're feeling thirsty to drink water; thirst can be mistaken for hunger, causing you to overeat.____It is impossible to lose weight and keep it off without exercising. Start out today by taking a walk or learn how to bike to lose weight. Work your way up from 10 minutes to 30-40 minutes a day, most days a week.____Keep a food diary. All you have to do is to put down what, when, and how much you eat in a notebook. A food diary will give you a clear picture of your eating habits so you can know the change you need to make to lose weight.

氯化钠的化学式是____ ，俗称____ ，主要来自 ____，内陆有的地方也用井水制盐，还有干涸____ 。生理盐水是质量分数为____ 的氯化钠溶液。