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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: 匿名未登录  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 com *))ax6; pqyqe afc*bnmon with living organis*)q*a)ycbxpnafe; q6 ms?

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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 treatme a 2,ciwd-42xos;n tjunt of human viral infec,ixd j-o;n2sawtcu24tions?

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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 descript+pr)6ji ijutc0sak 7pzb oe*ow2 3m5)4ou2wj ion of the relationship between the virus and host orgo2t3)*b45 u a pr p)imz7e o+6skjw0joij2ucwanism?

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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 struxo a3kt/-iw. jctures 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 bt goot +hchx6x9)4;bt6bmv vxf6 b +5out many structural features in common. What does this suggest in terms of theirh+5b9ov46bhootg+x;tfv bmc6x tx )6 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 th+uih(y 2d)rw(m,mtqzq t2a k0e lysogenic cycle of viral infection of attd+yiumzh km(2q0w r 2(), qa 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 cases of Ebola in 1976-1sg*b: ov:hh ur s1.hi 8qli-r.wa1xh 6977.
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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 2009 was 1194. Calcularv8l3 /nbpy j+te the total number of cases that occurred from 1990 to 13 vjnp/lyr8+b999.
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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 number of cases fra)9 tlviku n4ska 8b96om 2000 to 2009 in comparison to 1990 tokn) 96 bistvlka 9u48a 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 ha.ms(b0l jq fj)8f6fqumans in 1976. Suggest how the virus first appeared in l6s jafqb)q. mjf 8(f0the
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 wa f7ti*nnq,zqm 4 47ppcs made widely available from 2020. Suggest why a vaccine against a viqptnmi *nc, 4 fp77q4zral 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 qy6 c:0 s2q d4sz/tmygrk5g6innpa4)strand RNA. List two other forms ty4zq/g 2kn50: incmr6datygss)pq 46 hat 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 particle q90v noz5*4aw ney wb8of the Ebola virus

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