我国正在进行中的“南水北调”工程，其最主要原因是( )

A．实施该工程可以大力发电

B．缓解北方的缺水问题

C．把长江流域含沙量少的水引到黄河，有利于减少黄河的泥沙淤积

D．长江流域雨水大多，常发水灾，实施该工程有利于长江流域防洪

23. Although he offered her a high salary, he could not ____ her to accept a position with his firm.

A．persuade

B．advise

C．suggest

D．convince