外在的情绪表现通常称之为表情。
参考答案：对
_____ modern building was built near the bus station last year. [ ]
A. An 80 floors
B. An 80-floor
C. A 80-floor
D. A 80 floors
“钻石恒久远，一颗永流传”这句广告词能体现钻石的性质是（ ）
A．硬度大
B．不能导电
C．化学性质稳定
D．熔点低
