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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 syste;nh/ q3pb po.rm?

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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 processes occur in B-cells on infection of a humaxg wugr z74 z bykov,+.e5*eb5n by a pv45eeb5 kw +r7.bz oy,x*zggu athogen?
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 followic(3mxx 5pfrb 669q kz lgh3(vkng are consequences of infection with the 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 bac9:tyc t3x 6 --l bw*znc(gnxozteria 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 incidence of measles infections mt6r/6j y1 ,oruqe. y5iyxxeam, rb+8and the percentage of the population immuni6xyrerryxi,5 j.m,m1+8 taqeuo6yb/ sed.
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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 ths(kd ,.gitw bda/l99gu/8h p)zu1a fce percentage of the worldwide population vaccinated between 1980 and 1(p u9gds ./f) awl89chtkd/ua1iz,g b 990
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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 percentag pl shyj- cgf 70xbm2oxj-6);te of the population immunised between 1990 and 1997 h6xyjo p )t-l0jcmbxgs- 2;f5.
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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 /m4hk 7 *7bejpl8fq(po 3 opokhypothesis that the use of a vaccination can completely eradicatep* 8boh /o73 po fkjpq7le4m(k 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 two vaccinations given six monh,ns+e.fqw o 2l5b-a : ykpi6dths apart are 97% effective in producing immunisation. (Source – Center for Disease Control, Atlanta, USA, 2014 figures). Explain why a second ol f:byh5aewdns-2q+k6pi ., 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 conc lo;:q9nzyf2 bept of herd immunity applies to mass vaccination against a diseasnbq9;f yolz: 2e.
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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 proce70ltc y y4nsn5s:dglr us(t:(ss by which damaged skin can be sealed by the blood forming a:t gu0 cl47:lyy5s nntd(sr (s clot.
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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 antibiotics (Multiresistance) is inc m 8t,vx5uzhj4fbxv;k9 / y.ulreasing in bacterial pathogen populations. Outv/54b,fux;z.xmv89 lkjh u tyline a reason for the increase in bacterial resistance and one way in which research may be able to develop new treatments for bacterial infections.
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