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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 d8cw9b uyk8x(oq li8(a o viruses have in common with living organisb88(yq kw a8(iu oc9lxms?

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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 vi;yqp) )+vq(vf 5eu6wv snxo; eral infectinw fyvsxe v) ; 6(;u5oeqq)pv+ons?

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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 followingtmu8,c zal29y is the best description of the relationship between the virus,m28al y 9cztu 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 virus0+. 7) jcx ecqd*gn5lttf *sa-q t(tkhes 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 iy94 xnemsbr+5pu v qzx7kbx.l64 j w5/nformation but many structural features in common. What does this suggest in terms of twu/7ny+ b6jp5 sxxq .z9x4kemlr v45bheir 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 infut2lxrnd7xl t:s l *.-ection of a host cell. rl-. xds2t*ul7xn t:l
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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, t)g h00/c2rzwocjp da4v 9f3hvn ,jv 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 2009 was 1194. Calxj g*u8/h w3nhz dp-(aculate the total number of cases that onhuw3 (zdj/- p8a*h xgccurred 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 per-08lt1 +hi udeut u9tbcentage increase in the total number of cases from 2000 to 2009 in compi-8tut +lbhedu1u 9t0arison 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 ingz71p(9vd p0 rt.a wqn humans in 1976. Suggest how the virus first appea1d0rzg7.9qnw( av pt pred 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 efihky9um )b v/2y0hk a)u5 pqb9so i3y/fective. It was made widely available from 2020. Suggest why a vaccine against a viral infection may iups5oybaby2 / uhvm3 /hk90i)k9y)qprove 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 tl/dc/s )1w zsihe Ebola virus is single strand RNA. List two other forsisd) /clz1w/ms 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 shozn0 te-9so)q oa/;wtxq1n qv 3ws a particle of the Ebola virus

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