3.Teeth are important.Strong,healthy teeth help you chew foods that help you grow.They help you speak clearly.And,they help you look your best.Here are some tips for you to take care of your teeth.
1.Brush your teeth in the right way.
Brush your teeth at least twice a day-after breakfast and lunch or after sweet snacks,too.
Brush all of your teeth,not just the front ones.Spend time brushing teeth along the sides and back of your mouth.Brush away from your gums,too.
Spend at least three minutes each time you brush.Play a song you like to help pass the time.Get a new toothbrush every three months.When you buy your toothbrush,be sure it has soft bristles.
2.Learn how to floss your teeth.
Flossing is a very important way to keep your teeth healthy.Food may hide in places where a toothbrush cannot get to,like the space between two teeth.Flossing can help get rid of it.Carefully move floss between two teeth.Up and down.You'll need to floss your teeth at least once a day.
3.Have good eating habits.
You need to be careful about what you eat and drink.Eating sugar is a major of tooth decay.Eating sugar before you go to bed can make things even worse; eat lots of fruit and vegetables and drink water instead of soda.
21.The passage is mainly aboutD.
A.teeth are important.
B.how to brush and floss your teeth
C.how to form good eating habits
D.how to take care of your teeth
22.The underlined word"tips"in this passage meansC.
A.money given to the waiter for personal services
B.light blow,tap
C.pieces of advice on how to do something
D.thin end of something
23.Which is NOT mentioned in this passage?D
A.Going to see the dentist.
B.Having good eating habits.
C.Brushing your teeth.
D.Flossing your teeth.
24.Which of the following statements is NOT true according to this passage?D
A.We should brush our teeth at least twice a day.
B.Flossing can help to get rid of the food hidden between two teeth.
C.One of the major causes of tooth decay is eating sugar.
D.We don't have to brush our teeth if we eat a lot of fruit and vegetables.
分析 本文主要介紹了健康結實的牙齒對我們來說是非常重要的.健康的牙齒能幫助我們咀嚼幫助成長的食物;它們能讓我們說話時口齒清晰;并且,它們讓我們擁有姣好的容貌.既然牙齒有這么多的好處,那么怎樣保護我們的牙齒呢?作者在文中就此提出了幾條建議.
解答 21.答案:D.主旨大意題.文章首段提出牙齒的重要性,引出話題Here are some tips for you to take care of your teeth.然后又詳細介紹了幾種保護牙齒的方法,所以文章中心是關于牙齒保護問題的,故選D.
22.答案:C.詞義猜測題.根據(jù)內(nèi)容可知下面幾段都是介紹如何保護牙齒的,由此可知"tips"意思是"建議,竅門",所以C選項正確.故選C.
23.答案:D.細節(jié)理解題.根據(jù)文中的三個小標題1.Brush your teeth in the right way.2.Learn how to floss your teeth3.Have good eating habits.可知A、B、C選項內(nèi)容文中都有涉及,而D項內(nèi)容卻沒有提到.故選D.
24.答案:D.細節(jié)理解題.根據(jù)Brush your teeth at least twice a day-after breakfast and lunch or after sweet snacks,可知D選項內(nèi)容錯誤.故選D.
點評 本文是一篇科教類閱讀,題目涉及細節(jié)理解題,詞義猜測題,主旨大意題,做題時應結合文章上下文內(nèi)容,仔細閱讀原文并根據(jù)所給選項的含義進行分析,從而得出正確答案.切記胡亂猜測,一定要做到有理有據(jù).