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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 opdi9,olxqj) 5g -ty+brganisms+,ob jpy xi g)9tdl-q5?

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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 viral inl +yha ;rs,pi :evfkys85 bk0/fecbi8s lys;y:,hk0fak+/5p rev tions?

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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;eqnqh nv6m1h;+)xbn 2 ta7jg of the relationship between the virus tem ah6hvq ng 7)n;1;j2 nxqb+and 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 strfcw :t9vpyz 2f1xvv 5.uctures that 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 feak8ua;l-vu-4ik .d; nfkvg)xvoke2) ptures in common. What does this suggest in term2 )k.v;ukfgv4an -u pioxk;d8 lkv-e)s 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 viral inf 1tua)fib;tdfxg:p(:,d 1azr m los33hir)q 6ection of a hfasg:)a fodmt,u 163 :)(rx b;h3itd 1zrpqliost 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 ofc7 7sk)flq hd:czqq33 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 Ebola from 2000 g9 nb6xf2cl ljgp ,w0q lcay+ p(;:)meto 2009 was 1194. Calculate the total number of cases that occurred from 1990 to 1eampllw(x92+ l6 j:cg;gq)y pb,0 fcn999.
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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 incrnvr(4* y2p)lptu nhq/d*d ol+ease in the total number of cases from 2000 to 2009 in comparir4+ ult*dnvlp )d*2qhny o/p(son 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 humans in 1976. Suggest how the virus firsx,prr9, y+ fvr/,k -r;sf88 lpnxaw:s d:maaat a pfn,srraxf;v 8s:drp r,9y 8/maaw+l x,k-: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 2t8;d :5ed;vy -tcibte018 and shown to be effective. It was made widely availab8-tv t:;ce;id5ebt dy le from 2020. 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 sxtvarghjr+ )9qk5ush,84 9g etrand RNA. List two other forms thatrseghvax,h tr)8g u5q4j99k+ 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 party7l0t1th:.qrksp -p. x bs.dticle of the Ebola virus

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