以下关于无粘接预应力混凝土施工叙述正确的有（）。
A.为先张法与后张法结合
B.工序简单
C.属于后张法
D.属于先张
参考答案：A, B, C
Michael's new house is like a huge palace, _____ with his old one. [ ]
A. comparing
B. compares
C. to compare
D. compared
Linda’s aunt and uncle _______ workers.
A．are all
B．are both
C．both are
D．is both
