框架结构由纵横各两根方材用榫接合而成，一般情况下，立挺上开榫眼，横档上开榫眼。( )
参考答案：对
No matter how late she comes home, she makes ________ a routine to walk her dog for about an hour.
A．it
B．this
C．that
D．her
AIDP患者起病前常有（）
A.药物中毒史
B.外伤史
C.高血压病史
D.糖尿病史
E.感染病史
