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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 vir- pt(/( c 9 oakd/nggu*c ux-eb6n*iiiuses have in common with living organisms -(dp nt x*-enk/ig9ia ci6c/ *g(bouu?

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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 fs rjwmc 4y;k62la( erg7mv+0 human viral infections27+mkv er y0saj 4(m;lgcfrw 6?

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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 d rb5ys9dc; /lmescription of the relationship between the virus and hmb ;rld/s9cy5 ost 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 that all virusesb;w8 egvvyu3/ouw,r.(o9et e 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 guv 2lvbm,:m)v*su sa37+ik o genetic information but many structural features in common. What does this suggest in terms of the:ovu)v kvlsi2s,3gu 7*m bm a+ir 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 :t0v2cg fb3 *oi)tjmacycle of viral infection of a host cell.:0mag 3*ti)cvo f2jtb
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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 197 j(1zv q rn6r6l1*efyz6-1977.
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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 to 20th/85pg,stim y6n(c/p np1i. pqe x8q09 was 1194. Calculate the total number of cases that occurred q81s6t/8xpnt( e,nmh5y cg /. ippipq 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 increass); kdda5my/fca5 nx5e in the total number of cases from 2000 to 2009 in comparison to 19x55dc/a)5 mndfysa ; k90 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. Suggc ;10jju3ubf/, mst tvest how the virus first appear 1vj/tcm,; 0u tujbfs3ed 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 was maf2 ljwwa6 fj5-ngsa *6de widely available from 2020. Suggest why a vaccine against a viral infection may prove inja-asn*f l 6jwgf5 26weffective 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 stbsk1g da/vg6:b5cn czh8hv cl m2.:(t; y ic3prand RNA. List two other form.6 ycng/h3kht:;cvdg 8c m(1ip2c l5:vaszbbs 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 showaq1+ 3 uh34upay/fi ulbz:ng)s a particle of the Ebola virus

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