路桥过渡段、新旧路基和涵洞顶至轨底高度小于1.2m的路涵过渡段，路基刚度不均匀和薄弱处所应作加固处理。（）
参考答案：对
After she found she had lost the necklace, she and her husband ________ to find it.[ ]
A．made up their minds
B．made their mind
C．had made up their mind
D．had made minds
PVC使用的禁忌症是（）
A.发泡剂及刺激性药物
B.输血或血制品
C.P小时>5或<9
D.渗透压>600mOsm/L
E.胃肠外营养
