《365个英语小故事》:实用简洁的小故事,都是日常生活小故事,在学习英语的同时了解美国文化,循序渐进,轻松掌握。
Helen stepped outside her front door to see what the weather was like. It was sunny and warm. That was nice, because for the past two weeks it had been cold and rainy. It had been so cold that she had had to turn her heater on. She was lucky, because her heater worked and she could pay her heating bills.
Some people in Los Angeles were not so lucky. Unable to use their home heater, they placed charcoal into a barbecue grill and lit it. The heat kept them warm, but the carbon monoxide killed them.
This happens almost every winter in Los Angeles. People shut all the windows tight to keep the cold out, then light the charcoal. Soon enough, the oxygen in their home is consumed by the open flames. The family suffocates to death.
Everyone knows that smoke detectors are required in Los Angeles. But many people dont know about, or dont think they need, carbon monoxide detectors. Theyre not expensive. A $25 investment can save a family from death.
People always think that nothing bad will happen to them; it always happens to the other guy. So they forget to put fresh batteries into their smoke detectors annually, and they dont bother to buy carbon monoxide detectors.
新GRE数学习题之解答
GRE和GMAT数学常考数学公式介绍
新gre数学考点介绍:排列
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新GRE数学疑难问题列举解答
新gre数学考点介绍:AP
GRE数学数据解释题型重点试题(四)
GRE数学词汇:代数式、方程和不等式
GRE数学数据解释题型重点试题(五)
新gre数学考点介绍:Solve Equation of One Variable
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新gre数学考点介绍:Geometric Figures
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GRE数学常用结论:条件及独立事件概率
推荐GRE数学复习要点:算术
GRE数学常用结论:代数与几何部分
GRE数学最后20天技巧
GRE数学疑难问题解答思路
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十个新GRE数学易错题解析
新gre数学常用表达公式
新gre数学考点介绍:Set
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新GRE数学:易错题整理
新gre数学考点介绍:Linear Equation of One Variable
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