[問題]濤濤 4-28

[eiswein]

28.
Regulations will not allow a pesticide that is toxic to humans to be used inside houses unless the pesticide will dissipate completely from the air within eight hours after its application. One test that pesticide manufacturers standardly use to determine how quickly anti-termite pesticides dissipate involves spraying the pesticides on the walls of room-sized plywood boxes and then timing its dissipation.

Which of the following would it be most useful to know in order to evaluate whether a dissipation time of just under eight hours on the manufacturers’ test indicates that an anti-termite pesticide that is toxic to humans obeys regulations for use in houses?

A.Whether anti-termite pesticides dissipate more slowly in furnished rooms than in plywood boxes
B.Whether people who apply anti-termite pesticide standardly wear protective equipment that prevents them from being exposed to the pesticide
C.Whether people whose house is being treated with anti-termite pesticide generally know that they should remain out of their house during the hours immediately after the pesticide’s application
D.Whether there are anti-termite pesticides that are toxic to humans that, when subjected to the manufacturers’ test, dissipate completely from the air in the boxes in well under eight hours
E.Whether anti-termite pesticides that are not toxic to humans tend to take longer to dissipate than those that are toxic

這題我在A&D中抉擇
最後選D，可是答案是A

想請問大家，D哪裡不對呢?

[nexxt0722]

題目要問:下列何種能最有效得知--"在製造商的標準試驗下,能在八小時內消散的殺蟲劑"是否符合在室內使用的規定?

白話說法:能在實驗BOX裡八小時內散去的是否就代表能在一般房屋中八小時內散去?請你找出最有效的檢驗方法!

選項D.對人體有毒的殺蟲劑,是否能在製造商的(標準)實驗下,於八小時內從實驗BOX的空氣中全部散去?
-->有說等於沒說,還是不知道在一般房屋內的情況!

選項A.在有傢俱的房間內,殺蟲劑消散的速度會不會比在實驗BOX裡來得慢?-->BINGO!

[eiswein]

題目要問:下列何種能最有效得知--"在製造商的標準試驗下,能在八小時內消散的殺蟲劑"是否符合在室內使用的規定?

白話說法:能在實驗BOX裡八小時內散去的是否就代表能在一般房屋中八小時內散去?請你找出最有效的檢驗方法!

選項D.對人體有毒的殺蟲劑,是否能在製造商的(標準)實驗下,於八小時內從實驗BOX的空氣中全部散去?
-->有說等於沒說,還是不知道在一般房屋內的情況!

選項A.在有傢俱的房間內,殺蟲劑消散的速度會不會比在實驗BOX裡來得慢?-->BINGO!

恩...好像有一點點頭緒.....
我再想一想好了...謝謝nexxt