New Words and Expressions
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*Getting to know the following useful language first will be helpful for you to understand Text A.
请同学们跟随音频练习单词发音,并尝试记忆单词的含义。
需重点掌握词汇:
pediatrics 儿科学
immunization n.免疫
cardiovascular a.心血管的
vaccine n.疫苗
hepatitis n.肝炎
influenza n.流感
tuberculin n.结核菌素
tuberculosis n.肺结核

