气焊与电焊相比较，气焊时的火焰温度比电焊时的电弧温度低，所以气焊接头不易过热。
参考答案：错
Dog barking is no unpleasant noise but an auspice(吉祥)of fortune in ______ears of Chinese，especially in the coming Year of _______Dog in the Chinese lunar calendar，which starts on Jan.29 this year and ends on Feb.17 next year.
A．a; a
B．不填；
C．不填；the
D．the；the
什么是行政区划？其意义何在？
