拱的施工加载程序设计的目的是为了加快施工进度。( )
参考答案：错
Tom is so lazy that it is the third time that he _____ late this week. [ ]
A. is coming
B. comes
C. came
D. has come
弱碱类药物的滴眼剂往往要配制成何种溶液
A．酸性B．碱性C．中性D．滴眼剂无pH要求E．无须配制
