单项选择题
In this experiment, they are wakened several times during the night, and asked to report what they ______.
单项选择题 The scientists have absolute freedom as to what research they think it best to ______.
单项选择题 Such a change would not ______ to the wishes of the great majority of the people.
单项选择题 Communication is the process of ______ a message from a source to an audience via a channel.
