http://www.360abc.com/audio/daodu/12g.mp3
Section12
DifferentValues
1Weightsandmeasuresaredifferentindifferentcountries.
2Wecallthedifferentsystemsdecimalandimperial.
3Mostcountriesusethedecimalsystem.
4That’sasystemthatusesunitsoftentocountandmeasure.
5TheimperialsystemcamefromEnglandandisstillusedinsomecountries.
6Englandwillhavechangedtothedecimalsystembytheendofthedecade.
7Manyimperialcountriesarechangingtodecimal.
8Americausestheimperialsystemforweightsandmeasures.
9ButAmericausesdecimalformoney.
10Americansusepoundsandouncesforweight.
11Thedecimalsystemusesgramsandkilograms.
12Theimperialsystemusesinches,feet,yardsandmilesformeasuringlength.
13Thedecimalsystemusesmillimeters,centimeters,metersandkilometers.
14Intheimperialsystem,pints,quartsandgallonsmeasureliquidsandfluids.
15Thedecimalsystemusesliters.