2020-2021学年生物苏科版八年级下册随堂检测(8)传染病的预防
※题型:单选题※知识点:单选题※试题难度:较易<br>传染病与非传染病的区别是传染病具有( )<br>①传染性 ②广泛性 ③流行性 ④暴发性A.①② B.①③ C.②④ D.①④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/6bdabb637ec94b2fbb428c4c6004123c/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/bf9085174cc84295a2186d2c4d5a1932/84A565C125614442DE4D042BDA705C39.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>病毒一般个体微小,要想观察其结构必须借助于( )<br>A.放大镜 B.光学显微镜 C.电子显微镜 D.肉眼<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/70c50038337d44049400a126459a2a3d/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型:单选题※知识点:单选题※试题难度:中等<br>在预防传染病时,针对传染病流行的环节采取的相关措施有( )<br>A.控制传染源 B.切断传播途径<br>C.保护易感人群 D.以上三项都是<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/011306d8f31c4b67b3ce01012be52e13/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/50eded1eab004b72beaaaa70bd13690e/DF4D5AC3CBA3CF3EEB98BA2BA08DB16B.png"><br><br>
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