题目内容
Asthma is a major ___________ disease characterized by recurrent attacks of breathlessness and wheezing.
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Asthma can be eventually cured.
Asthma is an acute disease.
Relievers can work in minutes and help relax the muscles.
World asthma day, which takes place on the first _______ of every ______ since 1998, is an annual event celebrated around the world to raise awareness of asthma.
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