题目内容
12．My family lives in thecentral（center） park of the city．分析 我的家人住在城市的中央公园里．
解答 答案：central
联系语境，根据关键词 park 可知前面应用形容词来修饰该名词；结合提示词center为名词"中心"，其形容词为central"中央的"，central park为中央公园．故填：central
点评 此题考查名词和形容词间的转化．做题时抓住关键词联系语境判断出所填词正确的词性，再作出形式上的变化．
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Brush your teeth（39）B a day，after getting up and before bedtime．And you brush all of your teeth，not just the front ones．Spend some time（40）A the teeth along the sides and in the back．Take your time while brushing．Spend at（41）B three minutes each time you brush．Be sure your toothbrush is soft．Ask your parents to help you get a new toothbrush（42）Athree 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 （43）D it．Brushing（44）C your teeth healthy．You also need to care about what you eat and drink．Eat（45）B fruits and vegetables and drink water instead of drinks．
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It's（37）Byour teeth are important in many ways．Take care of them，and they'll help to take care of you．Strong，（38）Cteeth help you grow．They also help you speak clearly．You can take pate of your teeth by doing like these：
Brush your teeth（39）B a day，after getting up and before bedtime．And you brush all of your teeth，not just the front ones．Spend some time（40）A the teeth along the sides and in the back．Take your time while brushing．Spend at（41）B three minutes each time you brush．Be sure your toothbrush is soft．Ask your parents to help you get a new toothbrush（42）Athree 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 （43）D it．Brushing（44）C your teeth healthy．You also need to care about what you eat and drink．Eat（45）B fruits and vegetables and drink water instead of drinks．
Do you want to have white and healthy teeth？Please brush your teeth!
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