GWD12-38

[訪客]

Q38:
Outbreaks of Rift Valley fever occur irregularly in East Africa, several years apart. When outbreaks do occur, they kill thousands of cattle. A livestock vaccine against the disease exists but is rarely used. It is too expensive for farmers to use routinely, and since it is not effective until a month after vaccination, administering it after an outbreak begins helps very little. Nevertheless, experts predict that use of the vaccine will increase significantly within the next few years.

Which of the following, if true, provides the strongest justification for the experts’ prediction?

A. Rift Valley fever is spread by mosquitoes, but each outbreak is so widespread that it is impractical to control it by using insecticides.
B. When an outbreak of Rift Valley fever occurs, unaffected countries often refuse to import livestock from the countries affected by the outbreak.
C. It would take less than a month for producers of the vaccine to adjust their production operations to cope with a large increase in demand.
D. Many cattle farmers in East Africa are nomadic or live in remote villages, and such farmers, who have little access to modern veterinary medicine, are particularly hard hit by outbreaks of Rift Valley fever.
E. Recently published research has shown that certain identifiable climatic conditions are almost invariably followed, within two to five months, by an outbreak of Rift Valley fever.

我想請問這題,答案是E,但是我覺得C不是更直接嗎?請高手們幫忙!!

[Grace]

我想你應該是誤解C的意思:

(C) It would take less than a month for producers of the vaccine to adjust their production operations to cope with a large increase in demand.

*疫苗製造商花不到一個月的時間來調整生產的運作來解決需求大增的問題.
---這偏離主題了
題目是問.WHY experts predict that use of the vaccine will increase significantly within the next few years, 所以要支詞這個prediction,則必須要充分說明何因促使farmer 從原本rarely used疫苗 到significantly used. 因此要從farmer rarely used
疫苗的因著手說明...


請多指教...

[訪客]

嗯 謝謝GRACE的回答 我對C的答案懂了

不過我想請教一下,E提到climatic不知道和題目有甚麼關係喔??

[nana]

嗯 謝謝GRACE的回答 我對C的答案懂了

不過我想請教一下,E提到climatic不知道和題目有甚麼關係喔??

E是說研究顯示:如果某些氣候條件不變的話,2~5個月之內可能會再爆發fever
所以要趕快施打疫苗阿(因為要一個月後疫苗才會生效)

climatic不是重點啦~ ;)

[liwuu]

嗯...原本大家認為疫苗沒什麼多大用處,因為須有一個月的過度期(在未知到底何時會爆發下)
現在如果像e所述,可以確認2~5個月就會爆發...那麼就會增加大家注射的意願了!!

[foreversun]

想請問一下....
climatic conditions "are followed by " an outbreak of Rift Valley fever
為何不是outbreak 先來,這樣的climatic conditions後到??

[liwuu]

想請問一下....
climatic conditions "are followed by " an outbreak of Rift Valley fever
為何不是outbreak 先來,這樣的climatic conditions後到??

這句的意思是outbreak先來,climatic conditions後到(你的解讀沒有錯)..這邊我解讀錯了,詳看B大解釋!!
只是如此也可以預測爆發的情況...
例如預測兩個月後氣溫驟降,而氣溫驟降前通常會爆發疫情
所以就可以先打疫苗預防了
ps.例如感冒流感疫苗...

[Behemoth]

想請問一下....
climatic conditions "are followed by " an outbreak of Rift Valley fever
為何不是outbreak 先來,這樣的climatic conditions後到??

這是說climate先來 outbreak後到
只要有這種climate 就可預測有outbreak
所以疫苗才有用

如果像您說的那樣 那麼疫苗就沒用啦
因為還是不知道什麼時候會發病

[Behemoth]

ps. 五指兄 你的解讀怪怪的喔~~

[liwuu]

B大
climatic conditions are followed by an outbreak of Rift Valley fever
這句話不是翻譯成outbreak先,climatic conditions後嗎?(呵呵...那我也解讀錯了!!)
不過我的意思如我之前所述,增加E選項後,變得可以預測何時爆發疫情,所以疫苗變得有用...

ps.所以A be followed by B 是指A先發生後,B跟著發生?!

[Behemoth]

A is followed by B---A被B跟隨

所以是A先然後才有B啊~~

不過我的意思如我之前所述,增加E選項後,變得可以預測何時爆發疫情,所以疫苗變得有用...

你說的這句沒錯,不過先後順序要改成我這樣~

如果如你說outbreak先,那怎麼預測啊~

[csc]

請教一下，因為文中提到within the next few years，我覺得這邊用E解
釋似乎不夠強(並不是錯)，E我個人感覺他的確可以提高最近幾個月的使用
率，但長期而言，未必能解釋，如果改months就沒問題，不知這樣解讀對
嗎?會不會是我想太多

請指教

[chour]

E. Recently published research has shown that certain identifiable climatic conditions are almost invariably followed, within two to five months, by an outbreak of Rift Valley fever.

想要確認一下E的意思
是不是說"在某種氣候型態發生後的2~5個月後,必然會發生Rift Valley fever"?
如果是的話,只要within the next few years 這種天氣型態一發生,大家就可以趕快打疫苗了~

[hcgh]

請教一下，因為文中提到within the next few years，我覺得這邊用E解
釋似乎不夠強(並不是錯)，E我個人感覺他的確可以提高最近幾個月的使用
率，但長期而言，未必能解釋，如果改months就沒問題，不知這樣解讀對
嗎?會不會是我想太多

請指教

五個選項中，只有E有回應within the next few years
因為E說Recently published research
光是這點，就可以直接刪掉ABCD囉