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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: 匿名未登录  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 virusec, k kjm;2q.z jv1zl0es have in common with living organisms kzjlm02.je1cz;, q kv?

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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 factorsszxsbwhh (9i:aeoz*(qnv ; ur55q 8j + complicates the treatment of human viral infectioh+hiosaqvn9;j 5w8 qxs*e(z (5rbzu : ns?

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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 following is the best description of the relationshi i xun4z1.gae g-;*s*s /knvjkp between the virus and host organ g;4sunnx.je kkv a g-/*1*izsism?

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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 foll4vho4iu(6+ r8-l. ycuq xaygv4rdo/ec vb:.d owing are structures that all viruses possess?

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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 severaln2iow 5abb2otvl v7 0z-d- 0be forms of genetic information but many structural features in common. What does this suggest ino7z5v2 20b a-nblb-0ewitdv o 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 thc19m s*sw9m 8pyxgi v3e lysogenic cycle of viral infection of spsmm39*1w yxcig 98va 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 yu)8n ).;lsz.olr 1garo/dxzEbola in 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 bo/ o noeac73n dy:.tqw+be2;case of Ebola from 2000 to 2009 was 1194. Calculate the total number of cases that occurred from 1992o:qo./;bdytwebcne 7n o a3+ 0 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 the total number of cases frt 4d,pi-dif*v;,l-kc fbwver r. o :e*om 2000 to 2009 in 4 :bdk lfpredr-fctv- vo*,e.iwi;, *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 appt6 gk wej67+dxwc m6d1-yltf6eared in humans in 1976. Suggest how the virus first ap+6ly6ced7 wg x1 fjw6tmtd-6kpeared 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 zy+6 o4i7mxv cwas made widely availabivx4+yz6m7c o le from 2020. Suggest why a vaccine against a viral infection may prove ineffective in the long 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 .p:jbr1-9j e7cqm bztm5 :umuof the Ebola virus is single strand RNA. List two other forms that viral umc1 zm9q:u:trbm. 7jb5pe-j
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 pct/ j-hahj5m8xr )71 hakz*zof the Ebola virus

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