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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 as a component of the inx9 e;u1;dt ;spfol )aag tmt36nate 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 follow2z2qk jkazve /kh jjrs-n860 44wo io7ing processes occur in B-cells on infection of a human by a pathogiak0es4zj2wz kk87jo vq6 h- no24rj/en?
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 w r/csw: w9grs1vd4nb/ith 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 but do not affect viru5au.jor/ ya :qses?

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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 infvc,-yn.r j4 c*shog.eections and the percentage of the porv-g. *c4cj e., onshypulation 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 percentagxyh 27hde (u.0isxi. 8*aabu qe of the worldwide population vaccinated bha0a i bsxiyh8 dx. u*u.72(qeetween 1980 and 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 decline in the percentage of the pop rls2l)-(d wvjulation immuni)ll(2wr vj s-dsed 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 a4ojd a (t2yf3f vaccination can completely eradicate 4j to2a(3yf dfa 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 vaccin4nws91 on5hu1 y g7l-h7kvp wpations given six months apart are 97% effective in producing immunisation. (Source – Center for Disease Control, Atlanta, USA, 2014 figures). Explain v59nkpny7spw lu-w17 g4ho h1why 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 im*0k )pyunnba3munity applies to mass vaccination against a 0an*bnk3py u )disease.
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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 bxz h)s*h1lxsk2 : ywc9y which damaged skin can be sealed by the blood forming a ch9 y *2 ss1)xh:xzklcwlot.
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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 (Multires/vm/4xhkqgt 0snw0 2aistance) is increasing in bacterial pathogen populations. Outline a reason for the increase i/t/msw0 gvank h 420qxn bacterial resistance and one way in which research may be able to develop new treatments for bacterial infections.
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