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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 v ah 7t +.kppy3-ikn3at i9k7hk81xcgmiruses have in common with living organismkt+ h k .8k3phimk3ntcp9-1xa7 yg ai7s?

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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 tre xi89kua+w8t)f q 3skzatment of human viral infec3w89) zxqtuk8asik f+ 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 i,;v1 wbvq/jbrf;wb do n0d6 q:s the best description of the relationship between the 1b6qbwn vbwq;f/ r j;:vd0 do,virus 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 structures that all 5l1fxa e*72y *byzdwb 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 structuralgblovtx(c;y+ nd9- p :*9 kvqc features in common. What does this s9vvok ;-nt+*gl9 yc:cpbqx(d uggest 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 cycle of vira:lh a;xdg kht+u,q/6tl infection of a host ch;x6 at:u, ldghqt+ k/ell.
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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 eu:(u qtbs nku5niy;/+ sm6)rls4r2n ses 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 to 20per o lvheb/0ax 0(:;t09 was 1194. Calculate the total number of cases that occurred fromeh b( 0a:/rel0xtv;op 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 nu q7os:.c( 9rcgt5ftkkaa( l w0i2j mdz0v z7m+mber of cases from 2000 to 2009 in comparison c0l oz r7 5(2k jqsmw.da:tg(9i+cmt0a7fzvk 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 d db ztl s))(l+7.goalfirst appeared in humans in 1976. Suggest how the virus firstold .)sl l)7zbtda( g+ 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 efqg cq2j*g fx)v)sm fpz) 4 4r0g37wbsifective. It was made widely available from 2020. Suggest why a vacci*q0v2zf4q w7 pb)xsg) )jc 4fm3si grgne 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 sinvew sn*f(03 nygle strand RNA. List two other forms that viral ( newv f0n*ys3
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 parti1 ;w4bnz5 d7g+r0 :jpckjvidijsm)vv 7c;- fscle of the Ebola virus

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