An apple a day keeps the doctor away. Well,milk may work in the same way!

Milk is the natural food for mammalian(哺乳動物的)babies.It helps them grow strong because it is rich in protein(蛋白質(zhì)),calcium(鈣)and vitamins. Milk can also help you sleep better because it calms you down. But remember to drink milk with care. Find out how old the milk is. Make sure it is fresh and hasn’t gone bad.Don’t drink milk when your stomach is empty. Eat some bread or corn at the same time. That’ll help you take in more protein and vitamins.

Doctors say teens need at least 500ml of milk a day. That’s two or three cups. Milk—drinking started long ago, as early as 6000 一 8000 BC. At that time people started to keep cows, sheep and goats to get their milk. Of course what you drink today isn’t that fresh from the cows. People cool the fresh milk down to 4℃ to stop the bacteria(細菌)growing. In factories, milk is pasteurized(用巴氏殺菌法消毒)to stop it growing bad. After disinfection(消毒)and packaging, it goes to the supermarkets.

Yoghourt also comes from milk.People make some special bacteria to change the taste of milk and make the nutrients(營養(yǎng)物)in it easier for people to take in. Maybe that’s why it's getting more popular with people!

1.The sentence“An apple a day keeps the doctor away.”tells us that .

A.the doctor likes to eat apples every day B.the doctor doesn’t like apples at all

C.the doctor eats an apple each day D.apples are good for our health

2.Why is it better to eat some bread or corn while drinking milk?

A.Our body can take in more protein and vitamins in this way.

B.That’ll help us grow taller and stronger.

C.That’ll help us taste milk better.

D.We’ll still feel hungry without eating some bread or corn.

3.When you drink milk ,you'd better

A.find out when milk was produced B.make sure it is fresh and has not gone bad

C.not drink milk when your stomach is empty D.do all of the above

4.Which of the following statements is TRUE?

A.One cup of milk is good enough for teens each day.

B.Drinking milk is likely to make teens sleepy.

C.To stop the bacteria growing,people cool the fresh milk down to 4℃.

D.Yoghourt is one kind of milk which has gone bad.

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