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习题练习：SL Topic C3.2 Defence against disease
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 作者: admin    总分: 12分  得分: _____________

答题人: 匿名未登录  开始时间: 25年02月01日 00:08  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 1 题组 (共 4 题 4 分)
  1. Why are phagocytes regarded as a component of the innate immune system?tcdoe /2in9rz4+3 dc o

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2#
 
单选题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
  2. Which of the following pr5i3 hy9ryuv 3qocesses occur in B-cells on infection of a human by a patho 35y h9iyqv3rugen?
I They are activated by contact with a helper T-cell.
II They are activated by contact with an antigen.
III They can differentiate to produce antibodies.
IV They divide rapidly by mitosis.

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3#
 
单选题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
  3. Which of the following are consequences of infection with theyah 7yd*x)3 1blf0 tcv HIV virus?
I Destruction of all lymphocytes.
II Reduced resistance to opportunistic infections.
III The body does not produce antibodies.
IV Destruction of some types of lymphocytes

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4#
 
单选题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
  4. Why do antibiotics destroy mu4dkmr4, r7 dbacteria but do not affect viruses?

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5#
 
问答题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第1/6题 
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
a. Describe the relationship between the incci9pc n-e(t8cidence of measles infections and the percentage of the populatp 9 ei8(ccn-ction immunised.
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6#
 
问答题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第2/6题 
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
b. Calculate the increase in the percentaz c;eu5dxn4 fd:,wt 3jge of the worldwide population vaccinated between 1980 and 199j 5d x3 t;:dwuf4eczn,0
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7#
 
问答题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第3/6题 
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
c. Suggest one reason for the decline in the percentage of the pou+vqg 5qfz59otu 3 c iy/g8z4ppulation immunised betweefv9cu85ou3zgq/ qiy+ 4g z5tpn 1990 and 1995.
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8#
 
问答题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第4/6题 
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
d. Does the data tend to support the hypothesis thi63yetf*fy 1yoxqt(osk x) (-1p b/bmat the use of a vaccination can comple6(qym1xoyy)(fxt-fsb3i/ o*ep k 1bttely eradicate a disease?
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9#
 
问答题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第5/6题 
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
e. A single vaccination is 93% effective and twoskp86oqt 4*fa 1u oeb7 vaccinations given six months apart are 97% effective in producing immunisation. (Source – Center for Disease Control, Atlanta, USA, 2014 figures). Explainupqeo4f a1 t ob*87ks6 why a second vaccination can increase the effectiveness of immunisation.
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10#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第6/6题 
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
f. Outline how the concept of herd immunity applies to mass vaccinatio +;lvmn /hrd ds;qh1*on against a disn*h;dlod q 1v+/;rmhsease.
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11#
 
问答题 ( 1.0 分) (组内1/2) 切至整卷模式 搜藏此题  
第 3 题组 (共 2 题 2 分)
6. Outline the process by which damaged skin h 5m6 lb y0b)ewsta(d y0)bcq6can be sealed by the blood forming a 66bq5bct my(ebaw s)h0y 0 )ldclot.
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12#
 
问答题 ( 1.0 分) (组内2/2) 切至整卷模式 搜藏此题  
7. Resistance to multiple antibiotic,o/yxk8 *l5g) bamutieb5 ;wzs (Multiresistance) is increasing in bacterial pathogen populations. Outline a reason for the incrl xbb;) 5m* ygt,zuo e5wk8/iaease in bacterial resistance and one way in which research may be able to develop new treatments for bacterial infections.
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