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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 festxj eo .;bd-6t: c)i rb0s6 ch0ele7katures do viruses have in common with living organisms?cbr ej 7h0) t6t;bk-seesi0 dlo.xc6:

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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 i5*jsk r e:,ezzaul9, complicates the treatment of human viral infect,k:s5 l9 e,i*jrz uezaions?

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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 re-wm mbj r: z;r235 dongnp2eds1+qo1ylationship between the virus and osn:r3;1y e1mno+bd2pqmz - 5r2j d wghost 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 3 -od2 ,ihvm 3bqy:jq):jspb gthat 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 inkt ot knob.;q;h mflqw.jj etgec-.2 (/:u;-wformation but many structural features in common. What - ; ( qn :etjokhuqwt; jfwg;lke-.t bo2.cm./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 cy pbt5e(y bxb32cle of viral infection of a t epb3bby 5(x2host 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 in 1976-:j/ob1 h;t,oqmi8inr 2qv c5 i1977.
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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 2000 to 200m+of t2sg()gb9 was 1194. Calculate the total nsb) o(g +ftgm2umber of cases that 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 increasb7mk /mmd w7*te in the total number of cases from 2000 to 2009 in comparison to 1990 to 1997bm/kmwt* m 7d9.
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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 how the virus 74h jxaio,l0v)ev)lwoaxf ( :first j)(4ohl:aea0)xvfxv, o 7ilw appeared 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 wayevhqu ;ejn0(45qw i )s made widely available from 2020. Suggest why a vaccine against a viral infection miq 4 hj;e5qe0ny)(uvway 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 strand9i szqr5/q l:k RNA. List two other fo /q5:lrqsk i9zrms 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 particlvg 9lb zu8mm6;e of the Ebola virus

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