Lesson Five

　　Nutrition and Health

　　5.1 Language points of the text

　　1.nutrition / nutrient / nutritionist / nutritious / dietician / nourish / nourishment

　　e.g. poor nutrition / poorly nourished / good nourishment

　　2.mal- e.g. malpractice / malnutrition / malodor / maldistribution

　　3.diet / dietary / dietician / on a diet

　　4.lack  vt. / be lack of →A equals B / A is equal to B

　　5.Fiber appears / seems / is believed to be important in the digestive process.

　　6.digest / digestion / digestive / digestible / digested / undigested  cf. ingest / ingestion

　　7.Of…，[其中…]

　　Of the 20 patients undergoing operation，15 recovered uneventfully，and the conditions of the remaining 5 improved greatly.

　　8.–er：early reports ≠ earlier reports = previous reports / old people ≠ older people / in the late stage ≠ in the later stage

　　9.micro- / macro-

　　e.g. Microscopic and macroscopic hematuria

　　10.   vary / various / variety / vary in… from…to… / vary… in with…

　　e.g. Our body temperature varies slightly with the time of a day.

　　5.2 Language points of Ex. II

　　1.人群研究： population / group / cohort / migrant study

　　2.be the case with… / as is the case with… （如同…情况一样）

　　3.–ing 表结果： …， resulting in… / thus producing

　　e.g. If not treated， the infection may progress to heart failure， resulting in death in some cases.

　　4.有待…： …remains to be further studied / investigated / explored / to be validated clinically

　　5.3 Language points of Ex. III

　　1.Nutrition can be defined as the science of food that relates to （best / maximal / optimal / perfect） health and （performance / action / behavior）。

　　2.Health not only means （no illness / there is no illness / absence of illness）， but a  （continuous / continual / persistent / consecutive / longitudinal） process of attaining personal well being.

　　3.Malnutrition is defined as faulty or poor nutrition. Many people who are not （hungry / starved / fasted） or a few who are overweight also （suffer / suffer from） malnutrition. “ We must stop trying to buy health with our dollars； （on the contrary / on the other hand / instead），______ we should start （to earn / earning） it with our （actions / behaviors / performance）。

　　4.According to the theory of modern nutrition，the greatest needs （for / in / of）nutrition，in fact，are nutritional education and communication，i.e. understanding what to eat.

　　5.Many （major / main / vital / important）questions（are still not solved / are still not answered / remain to be answered / remain unanswered）。For example，what is the proper amount of weight gain in pregnancy？When should infants （be given / fed with / started on）solids？What are the （real / actual / exact） role of the trace elements， fiber and cholesterol in diet？Is nutrition the （reason / cause），（treatment / therapy / cure）or both of cancer？