2010年職稱英語(yǔ)理工類A級(jí)每日一練（5.25）

1 A great deal has been done to remedy the situation.
    A maintain
    B improve
    C assess
    D protect
    2 John is collaboraring with Mary in writing an article.
    A cooperating
    B competing
    C combining
    D arguing
    參考答案：1.B 2.A