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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 viruses have in mp+k(mnemp 95widy -0 common with living organis5m +mk-ew p(nm9dyp0 ims?

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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 complqeo 7k;uv( n)yb /.rd5;amjr vicates the treatment of human viral infectio)bj; ro5deqv7;k/y.rn (amuvns?

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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 relationw 1z9uv53::yrjcb pfb/k0y: d( jf bmfship between the virus and host orgafd5j ybw 9vyrbjfu 1z0:pm(3cb :/f: knism?

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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+btbhs,oplml ( ;3wi6 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 several forms of genetic information but many structural featureuts,xiig3 4v*ad wb0o7 ; o8gcs in common. What does this suggest in terms o d,sc8tgio3 u 70xvagi;*4wo bf 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 cycle of 1 dbm-.o *9yekm6 uyts1s ux7h z0ro2qviral infect yyqt7 zu s 1-ud.s2kx6m01*robeh9 omion 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 oft.97e ece o3yi cases of Ebola 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 Ebola from 2000y hfk67 s:1amp to 2009 was 1194. Calculate the total number of cases that occurred from 1990 f61h:p ykms7 ato 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 percent.gsgmzljkpq4 ek7c o6y7d9*a 1+mw z;age increase in the total number of cases from 2000 to 21+asge *pwl4z6m kgz.;jd 9ckm7q 7 yo009 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 appeared in humans in 1976. Suggest 6jpi,61nwfravo5ib 1 how the virus first appeare1 r6jnop5ab ,6fw1i vid 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 mad8: usry8a3zfqe widely available from 2020. Suggest why a vaccine against a viral infection may proa8fur: q8ys 3zve 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 mater8hh m0k.s:ven 3*qrbvbmujcp.2nk4 + ial of the Ebola virus is single strand RNA. List two other f.2cq sb384 vhr*:kbn mujn p+ khvem.0orms 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/ocjthwb)e7 /26jj.9 or ojsb particle of the Ebola virus

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