问题
问答题 简答题
乙肝病毒的主要传播途径有哪些？
答案
参考答案：
乙型肝炎的主要传播途径有：
①输血及血源性传播；
②母婴围产期传播；
③医源性传播；
④接触传播，主要是以性接触为主的密切接触传播。
⑤其中，有些传播机制（部分类别）可发生重叠。
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乙肝病毒的主要传播途径有哪些？
参考答案：
乙型肝炎的主要传播途径有：
①输血及血源性传播；
②母婴围产期传播；
③医源性传播；
④接触传播，主要是以性接触为主的密切接触传播。
⑤其中，有些传播机制（部分类别）可发生重叠。
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| Hearing the front door open, I ran down to the kitchen and waited. I saw my dad come in, with the white envelope in his hand. I had waited all day for this, so I reached over him for it as soon as he set foot into the house. Angrily, he 1 the envelope on the table and said that it was nothing to get excited about, and that it was just a piece of paper. I grabbed (抓取) it and ran upstairs. I wondered why my dad did not understand how 2 I was to see my mid-year report card for my first year in middle school. I was really 3 by how he refused to consider all my hard work. I saw my class rank (等级): 1/139. I did not behave what I saw. I felt my lips (嘴唇) form a smile and wanted to run downstairs to tell everyone. Then I 4 what my dad had said-it was nothing to get excited about. I wanted to share my happiness with someone, but felt lonely. I realized that I had become distant (远隔的) from my family. We used to 5 late watching Disney movies, and my brothers, sisters and I would play tennis in the backyard all the time. I wondered when all that had 6 . I just no longer took part in them. My school work 7 all my time and energy. While I had been busy with my study, I had also built a 8 between me and my family. I was only trying to become a person everyone could be 9 of. I wanted to go downstairs, say sorry for my rude behavior and for every refused movie and tennis game, and be 10 of my family again, I knew I had to do something-because without their support, my achievement meant nothing. | ||||
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