唔該！幫幫忙解答我以下2個問題唔該!

xylitol25

唔係好明個問題同"答案"$ C4 N6 V/ }0 O" O1 ?

# ?) j! j0 ^4 h5 B3 G1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
7 R3 R& O# i  \; C9 yAimee 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?"& O, c  H8 t/ t# q" V8 u

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3 E$ T5 u4 R, p8 ]. ]; eCaitlin 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."( ]' d* j4 y1 Y+ @$ ?

# L' B  N& j  z2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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$ M1 E0 I+ q. ?. \6 K2 A$ l* A% ^Q:"How many feet are in 2 1/2 yards?, v, O: J4 S; \, @0 o, ?& k
A:"78": Q5 D. k( X# j! h+ F: Z9 @

% _- t  f! E/ {4 E" R- tWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?