结构调整取得重大进展要求（）。
A.城镇化率上升
B.服务业比重上升
C.现代化工农业比重上升
D.城镇人口比重上升
参考答案：A, B
验厂操作和签订供(订)货合同操作实务
Things made by hand are usually more expensive than _ produced in factories.
A．these
B．this
C．that
D．those
