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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 viru8pa x owbt*f0 vb.v ia.ryj4.;ses have in common with living organismsvvr.08yaj4 f xbwa*bp io.; t.?

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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 clh ilw3b ci85wbhh ,01syv*/the treatment of human viral infectionsi3b8is h*,1 wwvlyc5 lh0hbc /?

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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 reanbs (;o)::l xkeql :mlationship between the virus and host)ekbs:q(;llxnoa ::m 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 tj 21qgak /jx,fhat 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 information but many structural featurox0 :x fkn 8pka1.fybvt:6wc) es in common. What does this suggest in pn8tc :bao1v:k0 .yff k)xwx6terms 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 cycle of viraz.s tjgt5x ;0hl infection o gt;hzt 50xsj.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 number of ca tov 6 be8*:vq+dce/bpses 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 ovmzpkkcnprp8;af3t)/ )n y yz+,q5 c2 f Ebola from 2000 to 2009 was 1194. Calculate the total number of cases that occurred fn z kf),)ppnkp ymz2ryq +c acv58/3t;rom 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 nucp(m7q.b p9 wkmber of cases from 2000 to 2009 in compariso(cwbq7 p9 p.kmn 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)gf6:wsa pl:; , 7rdkkca(qvc in humans in 1976. Suggest how the virus first appeared in tr: wca pd(7sl)g:c qkvfk,; a6he
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 (h15t un35y)hy7q jkveu dk1zshown to be effective. It was made widely available from 2020. Suggest whkd (n 3t5zv)j7u15yy1heqkh u y 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 virux5vx ne4 o )sfxy+)h3ps is single strand RNA. List two other forms that viral f4xsoyex+3 pv) h)xn5
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 partk9j -u(q njy;conv;j1*/z *ugs jyp - vr9yag(icle of the Ebola virus

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