术后第1天对伤口的观察应特别注意
A．疼痛
B．渗液
C．渗血
D．红肿
E．敷料脱落
参考答案：C
—Thanks for your wonderful dinner. I have to go now.
—It's raining hard. Don't _____ until it stops. [ ]
A. arnive
B. stay
C. come
D. leave
简述灰渣混凝土空心隔墙板运输方式和运输条件。
