What s so bad about bottled drinks sitting out for a long time? The teacher asked us to look for inf

I remember that all bottles of drinks had a number under the bottle to represent the quality of the bottle, and if the poor quality bottle was left for a long time, the harmful substances in it would spread into the drink.

The logo on the bottom of the plastic beverage bottle has a triangle composed of 3 arrows, with the number 1 7, and some will have the word "PET" under the logo. The triangle composed of these 3 arrows means "recyclable", and the numbers in it represent different materials.

1" means that the beverage bottle made of PET polyester can be filled with room temperature water in a short period of time, but it cannot be filled with high-temperature water, nor should it be filled with acidic and alkaline drinks, it is recommended not to reuse, and do not put the mineral water bottle in the car to expose to the sun.

"2" is a plastic container made of HDPE high-density polyethylene, which is commonly found in medicine bottles, cleaning products, bath products. These products are not easy to clean thoroughly, so they are not suitable for use as water cups, etc., and should not be recycled.

"3" means that it is made of PVC polyvinyl chloride, which is resistant to heat 60 °C, if the temperature exceeds 60 °C, vinyl chloride monomer may be released, and long-term exposure may cause hepatobiliary tumors.

"4" means a product made of LDPE low-density polyethylene, which is commonly used in raincoats, building materials, plastic films, plastic boxes, etc. Because these two types of materials have excellent plasticity and low price, they are more commonly used. However, they are rarely used in food packaging because they have a low heat-resistant temperature and may release harmful substances when they decompose at high temperatures.

5" is the one that means it is made of PP polypropylene, and it is the only plastic box that can be put in the microwave oven and can be reused.

6" means plastic products made of PS polystyrene, which cannot be used in high temperature, strong acid, and strong alkali environments.

7" is expressed as AS acrylonitrile-styrene resin, which has been used to mass-produce kettles, cups, and baby bottles for more than 10 years, and is safer, but it is also not used to hold boiling water. The cups made of this material are highly transparent and resistant to falls, but they are less durable.

Generally speaking, plastic beverage bottles marked with a number are relatively safe. For example, the number 1 means that the plastic is made of PET, which is commonly used in mineral water bottles, carbonated drink bottles, etc.; Heat-resistant to 70, easy to deform, dissolve harmful substances to the human body; It cannot be placed in the car to bask in the sun, and it cannot be filled with alcohol, oil and other substances. Plastic bottles containing drinks or food for a long time may dissolve harmful substances and are not good for health.

No, the logo at the bottom of the bottle is to say what the bottle is made of, some of the signs mean that it cannot be recycled, it can only be used once, not the quality of the bottle or the mold number, I have seen an explanation of this logo, however, I can't remember exactly what symbol represents which material. On the one hand, the drink inside will deteriorate, and if the bottle is plastic, it will also release harmful substances, so it is best not to put the bottled drink for too long, and drink it as soon as possible after opening, and don't put it for too long!

The explanation on the 2nd floor is not correct, the number at the bottom of the bottle is the mold number of the production bottle.

What you mean by leaving it for a long time is the drink opening the cap?

Of course, it will deteriorate, become bad, and have a sour taste!

Solution: If the large bottle buys x bottles, then the small bottle buys (32-x) bottles.

9x -5 (32-x) = 120 then the vial bought the (32-x) bottle 9x-(160-5x) = 120 = 32-209x-160 + 5x = 120 = 12

9x+5x-160=120

9x+5x-160+160=120+1609x+5x=280

14x=280

14x/14=280/14

x=20A: 20 bottles are bought for the large bottle, and 12 bottles are bought for the small bottle.

Let's assume that there are 16 bottles of large and small bottles, and at this time, the large bottle costs 5 * 16 = 64 yuan more than the small bottle.

If the assumption is less than the actual one, the number of large bottles will be increased and the number of small bottles will be reduced on the basis of the assumption to reach the actual 120 yuan.

Carboy: 16 + 4 = 20 bottles.

Vials: 16-4 = 12 vials.

Every summer, there should be a "Drink Day" so that the whole society can help our next generation and establish a little bit of the right concept of beverages.

Concept one, the best and healthiest drink in the world is white water. Nowadays, some children never drink plain water, and drink Coke Sprite Fanta since childhood, thinking that it is the best water in the world. Some children are worried that they will be forced to drink plain water when they arrive at school, so their parents bring their own drinks to school every day.

This is really unbelievable, not to blame these children, but to blame their parents.

Concept two, the best drink.

It should be homemade, not bought in the supermarket. How good is it to drink some barley tea in the summer and cook it at home? There are no preservatives, acids, colourings, hormones, and no sugar.

Drink it warm, sweat a little sweat, quench your thirst, I don't know how healthy and pleasant. Take to the streets? It doesn't matter, it's good to bring a bottle of barley tea with you, so why go to a convenience store and buy frozen Coke?

Concept three, everyone comes to drink a little pure Chinese tea. Today's children, I don't know how old they are to start to know the taste of Chinese tea? Or never know or know.

There really should be an investigation. As soon as I saw those bottles and cans of tea, I got annoyed. What kind of iced green tea, iced black tea, the taste is out of shape and scared to death, and I am embarrassed to call myself tea, which is really courageous.

And the children's tastes are ruined like this, which is a stuffy thing that makes people's chests tight. Therefore, in the early morning and evening of summer, make a pot of tea at home, drink a cup with your children, by the way, tell them that this is our Chinese favorite drink, and by the way, tell them a little philosophy of life at the same time, how useful.

Concept four, drink juice, it is best to drink 100%. Juices with additives, it is better not to introduce them to children, drinking too much will do all kinds of harm. Many children, in the summer, drank a stomach full of sweet juice and didn't want to eat anything.

After drinking it in such a summer, it is really bad teeth, fat people, and loose bones, not to mention the stomach. I suggest everyone buy a juicer to go home and make their own vegetable juices at home in summer, cucumber juice, carrot juice, tomato juice, bitter gourd juice, watermelon juice, every day is healthy, and it also saves money.

Beverages are foods that are mainly water-based. The role of the drink is fourfold:

One is to quench thirst; the second is to replenish the body's water;

the third is to replenish the water and some nutrients excreted by sweat and urine;

Fourth, during strenuous exercise, replenish the heat energy that is easy to use.

It is recommended that you buy this Qinhuangdao Yellow Pages, which is a trading company or a company or distributor of alcoholic beverages.

The information is relatively complete, so let's look for it inside!!

Find it from the Internet, after all, it is difficult!

Shenzhen Dongpeng Beverage Industry ****.

Dongpeng Special Drink Vitamin functional drink.

Herbal tea, chrysanthemum tea.

Winter melon tea nine tangerine peel drink.

Lemon tea, mango juice.

Fruit-flavored beverages (milk drinks).

Little black tea, small green tea, purified water.

What alcoholic beverages, quality ***?

I don't know, I'm looking for it

Water Jasmine Petals + Rose Petals + Water + Medium Heat = Jasmine Tea or Rose Tea (Random) Other. Rose Petals + Flour + Sugar + Water + Low Fire = Sweet Rose Cake Jasmine Petals + Flour + Sugar + Water + Low Fire = Fragrant Jasmine Cake Rose Petals + Jasmine Petals + Flour + Sugar + Water + Low Fire = Rose Jasmine Love Cake.

Materials: Rose Petals - Cave Hunter's Cottage Farm Library 1st Floor Restaurant 2nd Floor Jasmine Petals - Foot of the Mountain Aoki Forest **Street Creek Four Seasons Orchard Flour - Dingdong Creek Waterwheel Mill.

In Harbin, the general place for the wholesale of beverages and liquor is Dafa Market (in Daokang Road) Antarctic Market in Daowai, mainly these 2 places, I hope it will help you!

The first floor of the Antarctic Market is full of wine and drinks.

From the outside street to Jingyang Street, they are.