粘度是测定粘稠沥青粘结性指标。
参考答案：错
---- We went to Hawaii for our holiday.
---- Really? _____ you _____ there?
A．Do, surf
B．Have, surfed
C．Will, surf
D．Did, surf
A．温度保持不变
B．温度先升高，后又减小到初始温度
C．整个过程中气体对外不做功，气体要吸热
D．气体的密度在不断减小
