(2014·山东省十二校高三联考)Much to our surprise，the witness’s________of the traffic accident differed from the official version in several aspects.

Mrs. Obama introduced the Let’s Move _______ yesterday. Its goal is to reduce children obesity(肥胖) today and in the future.

Health problems are closely connected with bad eating habits and a ____ of exercise. 

---- Water can dissolve almost anything and give nutrients to creatures. ---- Yes, and that’s one of its __________.

It is always true that sometimes even if you have had a big dinner, _________ are that you will still want to reach for food when it gets late．