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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 followbua y(c.v4pe) ing features do viruses have in common with living organismsa4(eub) c p.vy?

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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 factors complicates t;)tm+wvmu (i 4a ;wqlrhe treatment of human viral infect ;am+w4v;lwt qrumi)( ions?

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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 descri+;f +pq hrt5mf)rdjo3ption of the relationship between the virur 3dp;of)+rfth jm5+ qs and host 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 vir sk95 dpnp: b)w)a4xp jz4wlp3uses 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 several forms ofs a(kfe a/e-pe p(q d5o-*r8ns. tet1z genetic information but many structural features in common. What does this suggest in terms of theieez psake af/q-s*et(.dp581ot r(n -r 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 cycle of virao5o5q*4fvo f ll infection of a host vfo4oq *lo55fcell.
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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 Eb t.o b-71ha7mu81ab2qgrzsaf ola 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 case of Ebola9 x3 ;f9cjmd(vqkfwo y4ae1a4 from 2000 to 2009 was 1194. Calculate the total number of cases thamxa j3e9f1v9ko(4faywdq 4 ; ct 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 2000 to3gk*cl 8hy 5rlxo;e1 x 2009 in ;5 xl* lo8 3yexckgr1hcomparison 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 fiuf*pj6s ioq 20rst appeared in humans in 1976. Suggest how the virus first appj oiq0 2ps*6ufeared 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 madjj ed -u( n*xs0w,pvt*e widely available from 2020. Suggest why a vaccine against a v* p0xutd,nsj v*(-jwe iral 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 of the Ebolajk)d y*mo*;v hy7q by. virus is single strand RNA. List two other forms thatyj)ym.bvoh qy**d;7k 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 pa- ;v*nm2s psjr-1vxlgrticle of the Ebola virus

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