大体积基础的浇筑一般有( )三种方法浇筑。
A．全面分层法
B．分段分层
C．斜面分层
D．跃层
参考答案：A,B,C
—What does he do? —________ [ ]
A. He watches TV.
B. He draws a picture.
C. He plays on the computer.
After years of hard work, his efforts ________, which was quite a relief. [ ]
A. made up
B. paid off
C. took on
D. hold back
[ ]