题目内容

接受阳光照射能提高人体对钙的吸收能力。()

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长期吸烟容易引起支气管炎。()

青少年应养成良好的行为习惯，不去青少年不宜进入的场所，决不吸食摇头丸、K粉等兴奋剂。()

A Recruitment Notice 招募通知 You are supposed to write for the Postgraduates Association a notice to recruit volunteers for an international conference on globalization. The notice should include the basic qualifications for applicants and the other information which you think is relevant. Do not sign your own name at the end of the letter. Use "Postgraduates Association" instead.

肺结核不是通过病人咳嗽、打喷嚏、大声说话等产生的飞沫传播的。()