在“洪涛凌崖，拆隙首颓”中，“拆”之义为（）
A.通"坼"，裂开
B.通"折"，断开
C.倾倒
D.塌落
参考答案：A
— He, together with his parents ______going to visit Shanghai in July. How about you?
— I'm afraid I have to stay at home _ _.
A．are; on my own
B． is, by myself
C．is; by my own
D．are; on myself
高速混床运行时间短，产水水质差的原因？
