Question

  Everyone wants to have healthy teeth. When you laugh,you will 16        your mouth and show your teeth. The healthier your teeth are,the happier you feel. Why is that?

It’s 17       your teeth  are important in  many ways. Take care of them,and they’ll help to take care of you. Strong,18        teeth help you grow. They also help you speak clearly. You can take care of your teeth by doing like these： Brush your teeth 19        a day,after getting  up and before bedtime. And  you should brush  all  of your teeth,not just the front ones. Spend some time 20        the teeth along the sides and in the back. Take your time while brushing. Spend at 21        three minutes each time you brush. Be sure your toothbrush is soft. Ask your parents to help you get a new toothbrush 22        three months. Clean between your teeth with dental floss (牙线) . It feels strange when you do it at first,but soon you’ll get used to 23        it. Brushing 24        your teeth healthy. You also need to care about what you eat and drink. Eat 25        fruit and vegetables and drink water instead of drinks.

Do you want to have white and healthy teeth? Please brush your teeth!

(   ) 16. A.  close   B. wash   C. serve   D. open

(   ) 17. A.  though   B. because   C. if   D. when

(   ) 18. A.  tight   B. white   C. healthy   D. clean

(   ) 19. A.  once   B. twice   C. three times   D. four times

(   ) 20. A.  on   B. in   C. at   D. to

(   ) 21. A.  first   B. least   C. once   D. last

(   ) 22. A.  every   B. both   C. either   D. neither

(   ) 23. A.  helping   B. making   C. feeling   D. doing

(   ) 24. A.  starts   B. produces   C. keeps   D. suggests

(   ) 25. A.  a lot   B. lots of   C. few   D. a little

Answer 1

16. D根据上文When you laugh“当你笑的时候”和下文show your teeth “露出你的牙齿”，可以推知是“张开嘴”，故答案选D.

17. B

18. C联系上文的strong“强健的”和下文help you gmw“有助于你的成长”，可推知答案选C.意为 “健康的”。

19. B

20. A  spend some  time on  sth.意为“花费时间在某

事上”。

21. B at least“至少”，是固定词组。

22. A由常识可知牙刷每三个月换一次，故答案选 A.意为“每一”。

23. D    由上文 “ It  feels strange  when  you  do  it  at first”可推知“很快就会习惯这么做了”，故答案选D.

24. C 25.  B