2010年職稱英語理工類C級每日一練（2.27）

1. Cement was seldom used in building during the Middle Ages.
     A) crudely
     B) rarely
     C) originally
     D) symbolically
     2. Nerve signals may travel through nerve or muscle fibers at speeds as high as two hundred miles per hour.
     A) velocities
     B) impulses
     C) ratios
     D) atrocities
    參考答案：B　　A