奎寧是一種用來治療瘧疾的藥物。它是一種從南美洲雨林植物提練出來的傳統藥物。  
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How many letters are there in the English alphabet? Is this the same in your language? In English we usually write from left to right - which languages are different? How quickly can you say the alphabet in English?
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Your Turn: Internet safety
Is it a good idea to give your real name on the internet? How can we stay safe online? Tell us your top online safety tips.
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