热电阻温度计是根据导体或半导体的电阻随温度变化而改变的原理制成的。
参考答案：对
Although she didn't have to worry about money, she chose the______expensive among those fashionable coats.
A．less
B．one most
C．more
D．least
ISM中802.11g频段2.4GHz中每个信道所占用的频宽为（）
A.44MHz
B.16.6MHz
C.5.22MHZ
D.22MHz
