贯穿福莱特学说的是她的两点假设：一是______；二是______。
参考答案：态度可以改变 利益可以调和
The flood is believed ____ more than 50 people and made thousands homeless, ____ it perhaps the most destroying flood in history in the area.
A．killing; to make
B．to have killed; making
C．to have killed; having made
D．having killed; making
从广义说，无论采用何种方法，使用何种（），只要将信息从一个地方传送到另一个地方，均可称为通信。
