Everyone wants to have healthy teeth. When you laugh, you will 1your mouth and show your t

Everyone wants to have healthy teeth. When you laugh, you will 1 your mouth and show your teeth. The healthier your teeth are, the happier you feel. Why is that?
It's 2 your teeth are important in many ways. Take care of them, and they'll help to take care of you. Strong, 3 teeth help you grow. They also help you speak clearly. You can take pate of your teeth by doing like these:
Brush your teeth 4 a day, after getting up and before bedtime. And you brush all of your teeth, not just the front ones. Spend some time 5 the teeth along the sides and in the back. Take your time while brushing. Spend at 6 three minutes each time you brush. Be sure your toothbrush is soft. Ask your parents to help you get a new toothbrush 7 three months. Clean between your teeth with dental floss(牙线).I t feels strange when you do it at first, but soon you'll get used to 8 it. Brushing 9 your teeth healthy. You also need to care about what you eat and drink. Eat 10 fruits and vegetables and drink water instead of drinks.
Do you want to have white and healthy teeth? Please brush your teeth!
【小题1】A．close B．wash C．serve D．open【小题2】A．thoughB．becauseC．if D．when【小题3】A．tight B．whiteC．healthyD．clean【小题4】A．once B．twice C．three timesD．four times【小题5】A．onB．in C．at D．to【小题6】A．first B．least C．once D．last【小题7】A．every B．both C．either D．neither【小题8】A．helping B．making C．feeling D．doing【小题9】A．starts B．produces C．keeps D．suggests【小题10】A．a lot B．lots ofC．few D．a littleD

(答案→)D 解析：【小题1】根据上下文可知“张开你的嘴”。【小题2】because引导原因状语从句。【小题3】“强壮，健康的牙齿---”【小题4】根据after getting up and before bedtime知是 “一天刷两次牙”。【小题5】spend---on---是固定用法。【小题6】固定词组“至少”at least。【小题7】“每三个月”。【小题8】为避免重复下文的动词用do代替。【小题9】习惯用法keep sth. adj.【小题10】多吃水果和蔬菜，fruits and vegetables前用lots of。

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