我就是来卖萌的 发表于 2012-8-28 18:14
certaindangerous bacteriathat normally cannot take hold(生根，扎根)can do so in the presenceof S. ...
GWD21-Q21:
Which of the following most logically completes the passage?
Mastitis is an infection of the udder in cows that, although not dangerous, causes them to give poor-quality milk. Most cases of mastitis are caused by the bacterium Staphylococcus aureus, against which antibiotics are ineffective. However, a related bacterium, Staphylococcus simulans, quickly clears up even severe infections of S. aureus simply by displacing the bacteria. S. simulans is nevertheless unlikely to become the preferred treatment for cases of mastitis, since ______.
Mastitis is an infection of the udder in cows that, although not dangerous, causes them to give poor-quality milk. Most cases of mastitis are caused by the bacterium Staphylococcus aureus, against which antibiotics are ineffective. However, a related bacterium, Staphylococcus simulans, quickly clears up even severe infections of S. aureus simply by displacing the bacteria. S. simulans is nevertheless unlikely to become the preferred treatment for cases of mastitis, since ______.
A. certain dangerous bacteria that normally cannot take hold can do so in the presence of S. simulans
B. the current resistance of S. aureus to antibiotics derives in part from a past pattern of overuse of those antibiotics
C. the milk from cows infected with S. aureus is generally not of such poor quality as to be entirely unusable
D. careful farming practice can reduce the incidence of mastitis to a minimum
E. the only symptom of mild cases of mastitis is the deterioration in the quality of the milk produced\
求助,, 看了几遍实在不懂.. 为什么选项A
终于明白了,
take hold (To become established:扎根)
A , 削弱, S.a不能扎根, 但由于 S.s的出现使其扎根成为可能!
Which of the following most logically completes the passage?
问怎么能合理完成句子
Mastitis is an infection of the udder in cows that, although not dangerous, causes them to
说M是一个传染在一个U在C上的，虽然不危险，但搞的奶恶心。
give poor-quality milk. Most cases of mastitis are caused by the bacterium Staphylococcus
说大多数M是被SA导致
aureus, against which antibiotics are ineffective. However, a related bacterium,
说反对这个M用啥东西是没用的。但是涅，这个相关的菌啊，
Staphylococcus simulans, quickly clears up even severe infections of S. aureus simply by
SS能很快地杀死SA通过啥涅，是通过代替SA通过SS
displacing the bacteria. S. simulans is nevertheless unlikely to become the preferred
然而这个SS的这个菌阿不是治这个M这个病的首选。所以
treatment for cases of mastitis, since ______.
A. certain dangerous bacteria that normally cannot take hold can do so in the presence of S. simulans
A说某种危险的（菌啊不能保持的）菌能做在SS
B. the current resistance of S. aureus to antibiotics derives in part from a past pattern of overuse of those antibiotics
B说A这个东西用于干啥的，是从一个啥鸟东西里来的。
C. the milk from cows infected with S. aureus is generally not of such poor quality as to be entirely unusable
C说咋着的和SS的这个奶啊是一般不恶心的。
D. careful farming practice can reduce the incidence of mastitis to a minimum
D．说种地呀能减少M
E. the only symptom of mild cases of mastitis is the deterioration in the quality of the milk produced。
E说奶啊of M的of S这个东西
是牛奶之量的一个啥东西。
如果这样还不明白我就自杀了。
本来还挺明白的，看完了楼上的解释倒糊涂了。看了lz那个终于明白了。。我觉得你的GMAT之路还有很长。。
先背背单词把英语基础弄上去吧，所有人都是这样过来的
up
看评论笑死我了！
,13131313我就是来卖萌的 发表于 2012-8-28 18:14
certaindangerous bacteriathat normally cannot take hold(生根，扎根)can do so in the presenceof S. ...
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