根据骨折类型，额窦骨折可分为（）
A.线型
B.交叉型
C.凹陷型
D.裂开型
E.粉碎型
参考答案：A, C, E
Read and order. 读句子排序。
( ) How are you?
( ) Tomorrow? What day is tomorrow?
( ) Fine, thank you. Would you like to play with me tomorrow?
( ) It's Monday
( ) OK. See you tomorrow!
( ) See you.
（）的防爆标志的意义为矿用本质安全型电气设备。
