1 . Malaria is one of the d__________ diseases in human history. (根据首字母单词拼写)
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2 . Sweet wormwood(青蒿), a common plant in China, has the power to cure the d________ disease called malaria. （根据首字母单词拼写）
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3 . Thanks to Tu Youyou and her team, malaria, one of the ______ (最致命的) diseases in human history, has an increased chance of being treated. (根据汉语提示单词拼写)
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4 . It is said that the cobra is one of the world’s ________ (deadly) snakes. （所给词的适当形式填空）
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