唔該！幫幫忙解答我以下2個問題唔該!

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唔係好明個問題同"答案"* c  H# o8 l3 P6 ]# s

/ u6 _- F1 y2 ^3 P* q, Q# s1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
8 ?, Z. _6 t$ A, y8 r, s# ?Aimee Teegarden: "Recent polls have shown a fifth of Americans can't locate the U.S. on a world map. Why do you think this is?"( e# o& D8 ?; ?. H

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Caitlin Upton: "I personally believe that U.S. Americans are unable to do so because, uh, some, people out there in our nation don't have maps and, uh, I believe that our, uh, education like such as, uh, South Africa and, uh, the Iraq, everywhere like such as, and, I believe that they should, our education over here in the U.S. should help the U.S., uh, or, uh, should help South Africa and should help the Iraq and the filter-074 countries, so we will be able to build up our future, for our children."
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! p3 `% G& q% y  T2. http://nz.youtube.com/watch?v=itjlj6i9XFo3 Z9 c! k; g; F6 ^, P
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Q:"How many feet are in 2 1/2 yards?
( {9 o0 M* a, C! a; ?A:"78"3 S; T2 W; m4 g: d4 b* H

; ]  R' V, V1 I: EWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?