保护企业职工的安全与健康，是（）的直接体现。
A.系统原理
B.人本原理
C.预防原理
D.组织原理
参考答案：B
Readers have been making good comments on the book, but _____ actual sales, it is still far from satisfactory．
A．by means of
B．in place of
C．in terms of
D．in line with
