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教育头条 > 优师支招 > 新型冠状病毒考点预测,初中生物必考知识点

新型冠状病毒考点预测,初中生物必考知识点

优师支招 02-09 浏览量: 分享:
困扰我们许久的病毒,终于有一个正式名字了:“新型冠状病毒肺炎”,简称“新冠肺炎”,英文名“NCP”。生物学科一定会涉及不少知识点,下面是三好网小编给大家带来的初中生物新型冠状病毒肺炎的考点预测,初中生必看,尤其是2020年中考生,一定要保证全部答对哦!
 
 

1.下列关于新型冠状病毒说法正确的是(  )
A.具有细胞核                  B.在普通光学显微镜下可见 
C.具有遗传物质核酸       D.以上说法均不正确
2.培养新型冠状病毒时,应选用(  )
A.冷却的牛肉汤        B.含有多种无机盐的营养液 
C.固体培养基           D.活的鸡胚
3.下列关于新型冠状病毒的说法不正确的是(  )
A.营寄生生活  
B.仅由蛋白质和核酸组成 
C.是一种单细胞生物  
D.是非典型性肺炎的病原体
【答案】1.C  2.D  3.C

4. 2019年12月以来,湖北省武汉市持续开展流感及相关疾病监测,发现多起病毒性肺炎病例,均诊断为病毒性肺炎/肺部感染。
(1)新型冠状病毒结构十分简单,仅由蛋白质外壳和内部的______组成.
(2)新型冠状病毒能引起人体主要呼吸器官______受到损伤.
(3)将新型冠状病毒肺炎疑似病人实行隔离,是预防传染病3个措施中的______  ;现在对部分人进行预防接种属于______.
(4)已经康复的病人体内产生了相应抗体,不会再患该病,这属于______性免疫.
【答案】(1)遗传物质 (2)肺 (3)控制传染源;保护易感人群(4)特异
5.下面是在某些国家发现的新型冠状病毒和动物植物细胞图.新型冠状病毒是一种类似于SARS(传染性非典型性肺炎)的病原体通过呼吸道感染人体,该病存在人传染人的可能.请比较三个图并分析回答:
 
 
 

1.下列关于新型冠状病毒说法正确的是(  )
A.具有细胞核                  B.在普通光学显微镜下可见 
C.具有遗传物质核酸       D.以上说法均不正确
2.培养新型冠状病毒时,应选用(  )
A.冷却的牛肉汤        B.含有多种无机盐的营养液 
C.固体培养基           D.活的鸡胚
3.下列关于新型冠状病毒的说法不正确的是(  )
A.营寄生生活  
B.仅由蛋白质和核酸组成 
C.是一种单细胞生物  
D.是非典型性肺炎的病原体
【答案】1.C  2.D  3.C

4. 2019年12月以来,湖北省武汉市持续开展流感及相关疾病监测,发现多起病毒性肺炎病例,均诊断为病毒性肺炎/肺部感染。
(1)新型冠状病毒结构十分简单,仅由蛋白质外壳和内部的______组成.
(2)新型冠状病毒能引起人体主要呼吸器官______受到损伤.
(3)将新型冠状病毒肺炎疑似病人实行隔离,是预防传染病3个措施中的______  ;现在对部分人进行预防接种属于______.
(4)已经康复的病人体内产生了相应抗体,不会再患该病,这属于______性免疫.
【答案】(1)遗传物质 (2)肺 (3)控制传染源;保护易感人群(4)特异
5.下面是在某些国家发现的新型冠状病毒和动物植物细胞图.新型冠状病毒是一种类似于SARS(传染性非典型性肺炎)的病原体通过呼吸道感染人体,该病存在人传染人的可能.请比较三个图并分析回答:

(1)与动植物细胞相比,新型冠状病毒的结构特点是______;根据传播途径看,传染性非典型性肺炎疾病属于______传染病.抗生素对于“SARS”病毒不起作用,其原因是______.
(2)我国应加大对来自疫区的人员的检查力度,对于携带病原体的患者禁止其入内,以防止疾病传入我国,这在传染病预防措施上属于______.我们开窗通风预防“非典”,这种措施在预防传染病的措施中属于______.
(3)一般来讲,得过“非典”的人康复后不会再二次感染,因为他的体内产生了______,这种免疫属于______免疫.
(4)科学家在实验室内保留着已被有效控制的SARS病毒样本,这是为了保护生物______多样性.
【答案】(1)无细胞结构;呼吸道;抗生素杀灭不了病毒,只能对付敏感的细菌;(2)控制传染源;切断传播途径;(3)抗体;特异性;(4)基因。
 
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