回填土中粉质粘土、泥灰岩土的填方高度为6～7m，边坡坡度为1：1.50（）
参考答案：对
根据《水工建筑物地下开挖工程施工技术规范》(SL 387-2007)，当相向开挖的两个工作面，工作面相距( )m时，应停止一方工作，单向开挖贯通。
A．15 B．20C．30 D．40
— Maggie had a wonderful time at the party.
— _____, and so did I. [ ]
A. So she had
B. So had she
C. So she did
D. So did she
