But why do some people prefer their water from a bottle (77)________ a tap? To start with, water forms a very important (78)________ of a healthy lifestyle. We are now advised to (79)________ two litres of water daily, (80)________ eating large quantities of fruit and vegetables. Besides this, designer water offers the promise (81)________ purity.
It is advertised as clean and (82)________, while tap water (83)________ be viewed with suspicion （怀疑）.
But is there really any difference between bottled and tap (84)________? Surprisingly, in the USA it was (85)________ that bottled water was not always as pure as most ordinary tap water.
