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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 regarded aiu6k9 / vnm0mv3 p8vcws 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 follm/ 78zk6hrxo/y2kpmkj .-y qgowing processes occur in B-cells on infection of a human by a pathog zxgkq /2k yh.k/ mry7o-mj86pen?
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 consequen5.56ev8 x- c*cgrv2io8fdbdg w-mw l fces 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 bacteria 1me ifau1olj9d50lim 7 xa9n2but 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 :2ahckzji 7 i7incidence of measles infections and the percentage of the populatiohajz7 i:27ki cn 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 perceg y r197g0zu5toqh-xx3z ej b8ntage of the worldwide population vaccinated between 1980 a- zqe g9ybr thz1873x0uxj5gond 1990
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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 deca8tm0 gzaf j yk4xn6d6ap,1vh oa( *5eline in the percentage of the population immunised between 1990 and 19e (a4zv,ny 6j068h51*oxatpaf gam dk95.
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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 tp**be8ojn 9 plitp9llt3+bw8he use of a vaccination can completely eradii8 ln9 9petb wt+j*l pp3*8lbocate 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 v*o8uyte 2f7 uac4r4f saccinations given six months apart are 9usfea o47* rc4t u2fy87% effective in producing immunisation. (Source – Center for Disease Control, Atlanta, USA, 2014 figures). Explain 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 i+c2f/oyw3 f: zsp tp(nbdi1st(v0 y6ummunity applies to mass vaccination against a diseafvbu 0zo 1y2s(syc:f/i3tw d6t+(p pnse.
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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 whicr 3bta.s k .k bb))twkh1si,/ch damaged skin can be sealed by the blood forming .3w.kcr1/bi)b ,k t atsskb) ha 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 multi f*q 1)wpn,*mpd n48ahqw2gvcple antibiotics (Multiresistance) is increasing in bacterial pathogen populations. Outline a reason for the increase in bacterial resistance and one way in which research may be able )*h n1m p gpq2,w*wdnfcq4v8ato develop new treatments for bacterial infections.
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