公路养护中大力推广和发展公路养护（）
A、自动化
B、机械化
参考答案：B
Allen’s new job paid twice as much as he had made ______ in the small restaurant. [ ]
A. working
B. worked
C. to work
D. when worked
对于国有企业改造或改组为国有独资公司的，经批准可保留划拨土地使用权，但保留划拨土地方式的期限不超过10年。（）
