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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: 游客未登录  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 r q-9sepzw 4g/gekn2;y gsx(u1 egarded as a component of the innate immune system?

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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 5p(uar (hp j49 :apfljin B-cells on infection of a human by a pa5 p:4ura jp9phfl(j(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 follojl* o )pv s8ri vrb*3zy1eek;-wing 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 desezp19 w74rvgo* yzfc 8troy bacteria 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 mk*:rey/d3 g ds. +egirgr 7i6jeasles infections and the percentage of the population immk 6 ge*rrjie73ysgd/+:d.rgi unised.
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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 percentage of the wg,7 0xpx17co- 5rqphdkdlde e-f,0yc8ohs a5orldwide population vaccinated between 1980 and 1hp750dfcq c,d kd7e1e 0s5x-8-ophyoxar gl ,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 percentage of th1 0fgeo74w7rwz0 y xgfe population immunised1o z047f 7wggfxyrwe 0 between 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 that the use of a vaccinati6intf .szns2;+wo 4ma on can completely eradica+i4wmtz. fssan; no 62te 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 mon7k9 :j1 qu-c bsw8ipo1axsrw5ths apart are 97% effective in producing immunisation. (Source – Center for Disease Control, Atlanta, USA, 2014 figures). Explain why a second vaccinatiowokr q9p7j1b 8:-i1wss5uac xn 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 vaccination agpmgi)hcr xt g7q+5696by / yqwainst a diseasb)myth9yqpg x6 i+wg57 c q/6re.
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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 whichy td;hc 9+glmqdlb3kh37p*d + damaged skin can be sealed by the blood forming a clot 3glp;7ch+9dbdq3t+d k yh*lm.
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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 (tg1bbxf9gu msz *(bwb,1h 1 y)Multiresistance) is increasing in bacterial pathogen populations. Outline a reason for the increzb 11hbtfgbu1sy ,b(9m)x *gw ase in bacterial resistance and one way in which research may be able to develop new treatments for bacterial infections.
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