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习题练习:HL Topic A2.3 Viruses

 作者: admin 发布日期: 2025-01-24 21:47   总分: 13分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月24日 11:20  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 1 题组 (共 6 题 6 分)
  1. Which of the following features do vir0k: vpqj l l:)rx7cf3vuses have in common with living organisvl): x0qlkv r c7f3pj:ms?

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2#
 
单选题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
  2. Which of the following factorma ml wpps6-uxz+ .66us complicates the treatment of human viral infections6u6z -ua+p mpl.s mx6w?

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3#
 
单选题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
  3. Which of the followingup;56 oydh d8g-s2o wg is the best description of the relationship between the virus and y6 d 5o;dh 2-ggwpo8ushost organism?

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4#
 
单选题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
  4. Which of the following are structures that all viruses 8py 9t4/t5 tu1w arcggpossess?

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5#
 
单选题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
  5. Viruses have several f hm,;h3q o*kp8+f /nj u3ijiarorms of genetic information but many structural features in common. What i kj8fh+;napu/qi3 3 r,johm*does this suggest in terms of their evolution?

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6#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
7. Compare and contrast the lytic cycle with the lysogenic cyc j(t6gva;tz5xi o8b(.hw uhbifb c0-4le of viral infectibha6 8;(o.hgixwb4i0 uf j-zb(t v c5ton of a host cell.
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7#
 
问答题 ( 1.0 分) (组内1/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第1/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(a) Estimate the number of cases of Ebola w,a a0(qz0qh kin 1976-1977.
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8#
 
问答题 ( 1.0 分) (组内2/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第2/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(b) The total number of case of Ebola from 2000 u(:(l d9b0tlp 3gzp wfto 2009 was 1194. Calculate the l pb3dugz:(f (0l 9wtptotal number of cases that occurred from 1990 to 1999.
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9#
 
问答题 ( 1.0 分) (组内3/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第3/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(c) Calculate the percentage increase in t(elbp se*qc/8vrx (l+he total number of cases from 2000 to 2009 inr* ecp(+ v/8blex(lqs comparison to 1990 to 1999.
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10#
 
问答题 ( 1.0 分) (组内4/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第4/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(d) The Ebola virus first a3xc- 2)fckefs ppeared in humans in 1976. Suggest how the virus first appeak c s2e-cxf3)fred in the
human population.
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11#
 
问答题 ( 1.0 分) (组内5/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第5/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(e) A vaccine was trialled in 2018 and shown to be effective. It was made widely q.gy.y 4dljlcktp9o f(l38naj +4n .j available from 2020. Suggest why a vaccine against a viral infection may prove ineffective in the looal9jcnkyj8.tlpdjf4 .q y(g. +l3n4ng term.
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12#
 
问答题 ( 1.0 分) (组内6/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第6/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(f) The genetic material of the Ebola virus m-8.a z eiwti++mzgq 8is single strand RNA. List two otherqiame . 8+ gz+i8-wzmt forms that viral
genetic material may take.
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13#
 
问答题 ( 1.0 分) (组内7/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第7/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(g) The image below shows a particle of the Eb(00fyca3;wu sj v1biqola virus

The virus is approximately 1000 nm in length. Convert this size into µm.
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