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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 with living d vqc00z q2li/organism/d0iqc2 z q0lvs?

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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 follow/xs9fyltq+ 3taf/ y7 7w nih8cing factors complicates the treatment of human viral infections?73ff/aq8w is7tylc n yt x/h+9

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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 relationsh yh7+f f6rwdc*g;*jjh ip between the virus and host organf*+frhjy;*dw gh6j 7c ism?

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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 all6b0sh;fht4 7 +ap eeyy 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 bfz5 wp 8;yr)kyeo) .qki0e5pw ut many structural featurekqp)pr5zo08w.f5e y;iewy )k s in common. What does this suggest 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 lytic cycle with the lysogenic cyck;dgv)vw ) 22i0wvo z0qrzdio,/k . vele of viral infection of a host ce20z zrgdok0 )i.kqdi vw,w)v2 ;/veo vll.
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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 1976-1977.9m9* d2npui88a 9d+yhzf as fo
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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 numberep;7(wcdjfj ; of case of Ebola from 2000 to 2009 was 1194. Calculate the total number of cases that occud;(jj7 pe;cfw rred 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 incre1-bt io -rkh+v9,t iysase in the total number of cases from 2000 to 2009 in comparison to 1990 ,itis-hk9brt+v 1 -o yto 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*whewiwv,3 2f in humans in 1976. Suggest how the virus first appeared in ww*w ef2i3h,vthe
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 made wya d/jzcad4 (9idely available from 209c zajya(/dd4 20. 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 of the Ebola virus is single strand RNA. List two oth +-rq4hawh*07e sjzgt er fo0j egq *za4h7+rt-hs wrms 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 ebgk)mvdm6/ )n;: uv wa particle of the Ebola virus

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