现浇钢筋混凝土地下连续墙的主要特点是()。
A.施工速度快、技术要求高
B.墙面垂直度及平整度好
C.深基础开挖土方量少
D.钢筋与混凝土黏结力强
参考答案:A
His great success ________ his hard training every day. [ ]
A. contributed to
B. thanked to
C. resulted in
D. was due to
挫折