未造成人员伤亡的一般事故，县级人民政府也可以委托事故发生单位组织事故调查组进行调查。
参考答案：对
I shall never forget those years ____ I lived in the country with the farmers, ____ has a great effect on my life.
A．that, which
B．when, which
C．which, that
D．when, who
伯洛关于传播过程的主要观点是什么？
