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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 follon(xy; /ng/laowing features do viruses have in common with living organis/ ;g/noya ln(xms?

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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 the treatment of human virco: yl u9e09bval infece l:obuyc90v 9tions?

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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 8vqbqv9kec + 0t9 u1ay*k*o1/ p4ccwb qfr1tfof the relationship between the virus andcktpwfuv1yb9f*q r+qe8 01*aovc 1q b/9 tc4k 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 tht)s- :4 kuem3yq9lk t3bjhz. gat 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 several forms of genetic informatiop 22/*lx.v3 jd36su6yqvguex hnlvi8 n but many structural features in common. What does this suggest in terms hs3g vnuq* 2px.6yeu2i 38 lv jd6lv/xof 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 t5j4*)t8 l uabll0wifahe lytic cycle with the lysogenic cycle of viral infection of a wlla f 4l80u5 itajb*)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 ixdq*vqs ftj8) 2 md5t5j- gr08(cy kjxk gfz74n 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 case7 zwju c66tun2 of Ebola from 2000 to 2009 was 1194. Calculate the total number of cases that occurred from 1990 to 19996nwzc7u 2u6t j.
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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 2000/2a gu og,xwq2 to 2009 in comparison to 1990 t o2agwx/qu,2go 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 ;m 8c+:/o ne1.nusdzng c5(uoy.bccv in humans in 1976. Suggest how the virus first appea (soc c +n:y.d.zcvnoc8bn eu1m/5g;ured 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 m*,9 e3 t7ilwh0rik* zw,4 objc pgtm+fade widely available from 2020. Suggest why a vacc4 7, il 0m*w+3g9wkh ejctzrb*tpo,fiine 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 of the Ebola virus ldm8vajl-; ( uis single strand RNA. List two other forms tha-(jmlu v;dal8t 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 Ebolue0 . 5mwpwi.*szdg /ga virus

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