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i need to lose weight fast
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vocabulary:  fad diets
fad diets
zone diet
south beach diet
sugar buster
the pritikin weightlose breakthrough
cabbage soup diet
grapefruit diet
bevery hills diet
food pyramid
      sugar fat
      protein
      vegetable
      grains
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grammar focus
    Not sleeping enought can result in poor concentration.
    Having too many things to do can result in stress levels increasing.
    Too much unhealthy food and not enough exercise can cause people to put on weight.   
-----------------language point---------------------------
we often refer to them as "hellow legs".
This is because they eat loads and loads but never seem to put on weight.
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H2O ,hydrogen,oxygen
hygrogen combines chemically with oxygen to form water.
Living things can not live without oxygen.
-------------------dialogue-----------------------
what about cabbage soup diet or the grapefruit diet.
i want to lose weight but i want to do it sensibly.
surely they can be that bad if you follow them properly otherwise they wouldn't so  popular.
----------------------your own intake------------------------
appetizers
    we served some crakers and cheese as an appetizer.
main dishes
cakes
salads
side dishes
pies
soups
breads
desserts
------------------listening passage:who's  to blame------
and metabolism will simply return to normal and cause you gain the weight again.