衛(wèi)生類：完形填空a Good and Healthful Life

　　Food ____1____ us alive. It is our sustenance and our pleasure. But recently， research has shown that the eating habits of the average Americans may be dangerous to future health.

　　The foods Americans now choose are oftentimes too ____2____ in calories卡路里 and fats， so this article reports a new study： Diet and Health， Implications for Reducing Chronic Disease Risk.

　　The study， conducted指揮 ____3____ the National Research Council‘s Committee on Diet and Health1， ___4___ that balancing nutrition營養(yǎng)， 營養(yǎng)學(xué)， calories and activity is key _____5_____ enjoying a long and healthful life.

　　The report recommends that most Americans increase _____6_____ activity to a moderate level and make changes in food ____7___ and calories intake to maintain ideal weight.

　　Most of us―even those of us at ideal weight―need to eat ___8___ fat so that no more than 30% of our daily calories will come from fat.

　　That means cutting ____9____ on red meat and whole milk dairy products. ____10____， eat fish， chicken without skin， lean meats瘦肉 and low-fat and no-fat dairy products.

　　The report of the Committee on Diet and Health recommends we eat five or more 1/2-cup servings of vegetables and fruits ____11____ ―especially green and yellow vegetables and citrus fruits.

　　Eating more fruits and vegetables doesn‘t have to mean increased calories intake. Many plant foods are nutrient-rich： they provide many vitamins and minerals for very few ____12____.

　　Nutrient營養(yǎng)-rich foods are particularly important for Americans ____13____ 50. As we ____14____， we need to eat less because our bodies need _____15_____ calories to function properly. But we still need full measures of vitamins and minerals to release the energy in our foods and make us feel strong and healthy.

　　1. A) remain B) remains C) keep D) keeps

　　2. A) full B) rich C) little D) special

　　3. A) by B) at C) with D) for

　　4. A) doubts B) concludes C) knows D) reasons

　　5. A) about B) to C) of D) for 6. A) mental B) spare C) physical D) chemical

　　7. A) choose B) chooses C) chose D) choices

　　8. A) little B) much C) less D) more

　　9. A) up切碎 B) down減少；減低 C) hard D) off

　　10. A) However B) Or C) Indeed D) Rather

　　11. A) day B) daily C) year D) annually

　　12. A) nutrition B) nutritions C) calorie D) calories

　　13. A) over B) under C) for D) in

　　14. A) older B) old C) age D) grow

　　15. A) less B) fewer C) more D) enough