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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 viruses have in common witdr0 mj.mf 0j.fh living organismjm f.f0djrm 0.s?

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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 y9o8zaaw. r v+factors complicates the treatment of human viral infectiony.8a+9 v zrowas?

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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 relationshism wh4zyqei*l xp/.2j2co/ p /p between the virus and hosopz e4ji2q mwy2/x//hcp*l .st 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 possess7o0- :ho+qjyp l+kfnz,ww 7jt?

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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 forms of ga31h,dapvz * o;hk ls1enetic information but many structural features in common. What does this sugges1al ao,3d1hs ; *kphzvt 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 lyt.yhlv/5 db+ ft:q xfrt99 bhmkr 75fb.ic cycle with the lysogenic cycle of viral infection of a hovkb5.y/.t9qxf:tfhr fbbr + 5hl7m 9dst 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 in 19763mma2 1 thdx 63zs1k hzc6pq-i-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 to 2009 was 11.nr,w0sr +atk94. Calculate the trrks+0t.a,n wotal 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 the total number of cases from 2h6wnr ;b:f-w9uel pl 9000 to 2009pl ewu 6 b99-:hr;wlnf in 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 appea d;hpj-k+ .v/gqo:xptred in humans in 1976. Suggest how the virus first appeared in thej:pk go/vhqdtp.x+ -;
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. ecgq :/(pq-anIt was made widely available from 2020. Suggest why a vaccine against a viral infection may prove ineffective in the long termq-a(:cep /n gq.
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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 is single strand RNA. List two othe+kks)n8q +bk ar forms that viq+a 8 sk)bk+knral
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 aj5(o7efh v(3fo)zth z particle of the Ebola virus

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