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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 follow ywwnzgy no3ze09.lb.4e2 :ycing features do viruses have in common with living organisme3o2y 0n lgw4zbc..e:ny zyw9s?

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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 complicj3k+ -3lna lzm)cz0rp ates the treatment of human viral infection) -3 3azrzckjmpnl0+ls?

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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 rw+a 1 +bj v8*(iolki*qrde7ncelationship between the virus and host organi+7bnoq 8viw kcrl*deaj+ *(1ism?

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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 pfl)4lj9amn wur xmh4/a ;8k6gossess?

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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 manb n:3lnyt- jw9l s8h4ffnm(x 5y structural features in common. What does this suggest in terms of their 4 :(s8-nlwy3 5t fbhj9nmfnxlevolution?

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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 xr:dh 63e3g,n5xar huhxg+i7cycle of viral infection o,3 ndiurra gx7x hg+h6he3 5x:f 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 number6 npqdc (zmu1wj5)l6y kv*r+a of 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 E cp1-y)(lf kxmw ;0hmjwwnv-5 bola from 2000 to 2009 was 1194. Calculate the total number of cases thal chw-;0wnjv 5yk)- f x1mw(mpt 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 incet8 gw/36hqbj rease in the total number of cases from 2000 to 2009 in compa3jew6b qh/g8t rison 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 udy2o 5pswh70j , mkk9humans in 1976. Suggest how the virus first aph9okys7pm 5j,duw0k 2 peared 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. /x 5ho-bvo 2hbIt was made widely available from 2020. Suggest why a vaccine against a viral infection may prove ineffective in the long2oh5 v/x bboh- 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 u 9o066flav7 q:zwdq mother forms that viral l 7a0w6qzodu:9qm6fv
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 nyv ((/ueo+cxs0l/iod5k wkg 8f w6-fshows a particle of the Ebola virus

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