Question

1．    Teeth are very important for our health．They will be our lifelong fiends．So we should learn to protect them at a very young age．Here are some tips：
First，we should eat right．
*Don't eat too much candy or drink too much cola，or our teeth will go bad easily．
*Have more cheese，milk and yogurt to make teeth strong．
*Eat more vegetables and fruits to help clean teeth．
Second，we should keep these numbers in mind．
*2/Day  Brush your teeth at least twice a day：in the morning and before bedtime．
*2-3 Minutes  Brush for at least two to three minutes every time．
*3 Months  Get a new toothbrush every three months．
*6 Months  Go to the dentist every six months for a check-up．

71．We're too young，so we needn't start protecting our teeth．B
72．Cheese，milk and yogurt can keep our teeth strong．A
73．We shouldn't brush our teetlh after lunch．B
74．We can brush our teeth for only one minute each time．B
75．At least four toothbrushes should be used in a year．A．

Answer 1

分析 牙齿对我们的健康很重要．他们将是我们终身的朋友．所以我们应该学会从小保护他们．这里有一些提示：
首先，我们应该吃的正确．
*不要吃太多的糖果或喝太多的可乐，或我们的牙齿会很容易坏．
*多吃奶酪，多喝牛奶和酸奶来使牙齿结实．
*多吃蔬菜和水果，以帮助清洁牙齿．
第二，我们应该把这些数字记在心里．
*2/每天 每天至少刷两次牙：在早上和睡前．
*2-3分钟 每次至少刷两到三分钟的时间．
*3个月 每三个月换一次牙刷．
*每六个月 每6个月去看一次牙医作检查．

解答 （正确选A．错误选B．）
71．B 细节理解题 根据文章第一段中So we should learn to protect them at a very young age．可知我们应该学会从小保护他们．故选：B．
72．A 细节理解题 根据文章中Have more cheese，milk and yogurt to make teeth strong．可知多吃奶酪，多喝牛奶和酸奶来使牙齿结实．故填：A．
73．B 推理判断题 根据文章Brush your teeth at least twice a day：in the morning and before bedtime． 可知每天至少刷两次牙：在早上和睡前．这里说的是至少两次，不是说多了不行．故填：B．
74．B 细节理解题 根据文章Brush for at least two to three minutes every time．可知：每次至少两到三分钟的时间．所以每次只刷一分钟是不正确的，故填：B．
75．A 推理判断题 根据文章Get a new toothbrush every three months．可知每三个月换一次牙刷．所以一年应该换四次牙刷，故填：A．

点评 对于阅读表达题，一定要记得首先通读全文，了解文章大意，然后再根据文章关键词，关键句，掌握细节问题，并进行推理判断，再去回答具体的问题．