Every person needs water and a diet of healthy foods. These foods should contain some fat, some fiber, a little salt and so on. People need energy        . They eat different kinds of food which change into energy. The energy is          in calories(卡，热量单位). Even when you 3  , you are using energy – about 65 calories an hour.       you are at school, or walking home, your body is burning up 100 calories an hour. When playing football or basketball, you          be using 400 calories an hour. On Sports Day, during the relay race, you will use most of all,          as much as 650 calories an hour.
The Chinese diet is considered to be the healthiest in the world. It contains a lot of fruit and green vegetables. It is        in fiber and low in sugar and fat. The Chinese eat less sugar than many other countries in the world. That is       lots of people in China have healthy white teeth.
People in the Western world do not eat such healthy foods. They eat           fat and sugar and don’t take enough          . Because of this, they       weight very easily. Their diet contains a lot of fat in the         of potato crisps, potato chips, butter, cream and chocolate. They eat a lot of sugar which exists in cakes, soft drinks,          and so on. The result is that many of them become        . And some have bad teeth. In some parts of Britain, one person in ten,           the age of thirty, has no teeth left.

A．for life B．to live C．to live with D．for a living

A．measuring B．taken C．measured D．measure

A．are asleep B．fall asleep C．go to sleep D．go to bed

A．While B．During C．But D．If

A．must B．can’t C．needn’t D．might

A．surely B．usually C．perhaps D．hardly

A．good B．poor C．rich D．bad

A．how B．why C．what D．that

A．much too B．many too C．too many D．too much

A．exercise B．exercises C．work D．food

A．put on B．gain on C．get on D．put up

A．type B．form C．kind D．sort

A．sweets B．sweet C．candy bar D．sweet thing

A．slim B．fat C．strong D．weak

A．at B．for C．with D．By