如何生活中总有一些时期经历非常重要的一些事情?

People are paying more and more attentions to healthy diet ,so nutrition(营养学) is growing an important science .Do you have any nutrition knowledge How much do you know about good nutrition Let’s have a test by judging true or false on the following points.
1.x09People who don’t eat meat can stay healthy .
True .As long as people eat enough milk ,eggs and meat alternates(替代品) ,they can get enough protein .
2.x09Food eaten between meals can be just as good for health as food eaten at regular meals.
Ture .Nutritional value depends on what types of food you eat ,not when you eat them .Eating an egg or fruit between meals can contribute to a good diet .
3.x09Fresh vegetables are always more nutritious than canned vegetables .
False .The difference depends more on how vegetables are prepared than whether they are fresh or canned .Vegetables cooked in too much water can lost a great amount of vitamins .
4.x09Natural vitamins are better than synthetic(合成的) vitamins .
False .There is no difference .A vitamin has the same propetives(性质) and specific chemical structure whether made in a laboratory or taken from plant or animals parts .
5.x09Older people need the same amount of vitamins as younger people .
True .Although older people need fewer calories(卡路里) .Certain illnesses raise the requirements for some vitamin ,but that is true for the young as well as the old .
6.x09Food grown in poor soil is lower in vitamins than food grown in rich soil .
False .The vitamin in our foods are made by the plants themselves .They don’t come from the soil .However ,the minerals in a plant depend on the minerals in the soil .
If you have answered these questions correctly ,you can say you know much about food and nutrition by today’s standards .But remember that it may change as new information develops .