病毒体的基本结构为（） A.核心 B.衣壳 C.包膜 D.核衣壳 E.核酸 发布时间：2017-05-10 18:13 │ 来源：www.tikuol.com 题型：单项选择题 A型题 问题： 病毒体的基本结构为（）A.核心B.衣壳C.包膜D.核衣壳E.核酸
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题型：单项选择题 A型题 （）是党内政治生活的重要内容，是发扬党内民主、加强党内监督、依靠领导班子自身力量解决矛盾和问题的重要方式。坚持和完善（）制度，是保证党的团结统一、保持党的先进性和纯洁性的一大法宝。A.集体学习B.民主生活会C.党委会D.党外人士座谈 查看答案