钨极氩弧焊电弧温度比焊条电弧焊电弧温度（）。
参考答案：高
The most exciting thing for him was_____ he finally found two tinned fruits in_____ seemed to him to be a servant’s bedroom.
A．that; what
B．what; what
C．that; that
D．what; that
拍摄手表时的布光宜采用（）照明，这是不成文的原则。
A、硬光
B、侧逆光
C、散射光
D、软光和顺光
