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The human body is suitably described as "a highly complex self- genera- tor" because if it is given the right fuel, it is capable of both curing and (1) [1] ______ ______off diseases, our body can be compared to a matching, if it is not prop- erly looked after, it will become (2) ______ , sluggish, or clogged and parts of [2] ______ the mechanism will not be kept in good working order. In order to function expertly, our body needs carbohydrates, protein, fat, (3) ______ and minerals, coupled with regular exercise. But an excessive in- [3] ______ take of carbohydrates should be avoided because they will mostly (4)______to [4] ______ fat. Protein is important for tissue building. The recommended minimum a- [5] ______ mount the average person needs is (5) ______ grams a day, an excess or a defi- ciency of which is not advisable as it is indispensable to human growth. Animal fats, good sources of energy, are sometimes likely to cause in- [6] ______ creased cholesterol levels in the (6) ______ so people suffering from heart com- plaints should avoid eating them. Vitamins are also regarded as essential requirements for health. Deficiency [7] ______ of vitamins, whether A or C, will reduce our body’s resistance to (7)______ Calcium, iron and iodine are the important minerals we need. Milk, liver, lentils and dates are rich in minerals. [8] ______ Natural foods are always best. Don’t rely on too much on "(8) foods", appetizing and labouring- saving as they are, because the preserva- [9] ______ tives, artificial colouring and additives in the (9)_ foods we buy will do us harm. Besides the factors of climate, age and occupation, in order to achieve a [10] ______ balanced diet, we must also consider the following four points: (10) environment, employment and emotional stress.

【参考答案】

genetics
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packaged
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convenience或processed