电气设备的火灾如何扑救？
参考答案：
扑救电气火灾时，不能用水，因为水能导电，用水灭火有可能触电伤人或造成短路，所以扑救电器火灾应先断电、再救火。
依据因地制宜发展农业的特点，将下列景观图与农业类型连线：
After arriving in the United States, this 20-year-old Chinese student found it rather difficult to _______ living on his own.
A．rely on
B．adjust to
C．depend on
D．stick to
