Eat for 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 and fats， so this article reports a new study： Diet and Health， Implications for Reducing Chronic Disease Risk. The study， conducted __3__ the National Research Council‘s committee on Diet and Health， __4__ that balancing nutrition， calories and activity is key __5__ enjoying a long and healthful life.

    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

    參考答案：

    Eat for a Good and Healthful Life

    1.D. keep us alive使我們活下去。

    2.B. rich in …富含……。

    3.A. conducted by…由……主持。

    4.B. 從主語(yǔ)“研究”判斷，空格處（謂語(yǔ)）的搭配詞義應(yīng)該是“結(jié)論”。

    5.B. key to …對(duì)……來(lái)說(shuō)是關(guān)鍵。

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