Swimming is a lot of fun. But, the water can be a real danger if we do not follow safety
[314호]
Your summer vacation is just around the corner. Now is the time to make great plans for
[313호]
You may believe that toilet seats are the dirtiest thing around you. However, three surp
[312호]
The Korean War is a national tragedyThe Japanese control of Korea ended in 1945. But, di
[311호]
Summer heat waves are beginning. The hot, humid weather makes your body weak, tired, or even sick. T
[310호]
Many people say that exercising and having a balanced diet are important parts of a heal
[309호]
For children’s healthy growth
[308호]
You may sometimes skip breakfast. You are usually busy getting ready for school. But, missing
[307호]
The weather is getting warmer these days. Soon, you will sweat more, so you will feel thirstier than
[306호]
Before the international standards, people have long used different units to measure distance. In
[305호]
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