With summer in full swing and excessive heat waves rolling through parts of the country, taking a dip in water can be a refreshing way to cool off. Every year people risk their lives in and around water as they don't follow simple safety guidelines. 【小题1】 .

Never swim alone—even in public pools or beaches where lifeguards are watching, always use the buddy system. 【小题2】 .

Always observe safety signs-be familiar with what water safety signs mean, you may see different signs at the beach or the pool. If you are unsure what these signs mean, ask a life- guard.

【小题3】—different water ways come with different risks, make sure you know how to call for help should you ever need it. Raise your hand out of the water to signal for help, stand or move the shallow area if you can, float on your back and call for help.

Don't take risks—let's play it safe when in and around water. 【小题4】 , or you could accidentally hurt someone else or yourself.

Always swim between the flags when at the beach—lifeguards place the flags in the safest swimming area on the beach for that day. Swimming between the flags also means that if you need help, you can signal a lifeguard by raising your arm above your head.

Learn CPR and First Aid—everybody should have some basic knowledge in first aid and CPR. 【小题5】 !

How to Reduce Food Waste

Food waste is a huge problem in many countries. The good news: Each of us can help solve it. 【小题1】 .

Make a plan

【小题2】 , think about exactly what you need for the week, make a list and then stick to it. Actually, more often we throw things in the shopping cart that sound good or look new, and then we let them sit in the back of the fridge for a few weeks.

Get creative with repurposing food

Before walking straight to the trash with your old carrots or cabbages, ask yourself:   【小题3】 The answer is probably yes. You don’t need to follow any difficult recipes (to turn older produce into a fresh new dish by watching videos online).

【小题4】

If you realize that you won’t be able to use food before it’s too late, turn to the trusty fridge. Did you know you can freeze almost anything? Your bread, your vegetables, your fruits -even your milk! Freezing food helps keep its taste and nutrients (营养).

Don’t be fooled by that “sell by” date

Generally speaking, these labels are a best guess by producers as to when their products will be freshest. They’re not fixed rules about when that cheese has to go straight to the trashcan. 【小题5】 . The next time you do a sweep of your kitchen, remember that these dates are just guidelines. When in doubt, do a smell test. If it doesn’t pass, you can just bury them in your garden to make the soil rich.