Maybe you're afraid of homework![ ]
A. too many
B. too much
C. many too
D. much too
答案:B
下列诗句,可以获取我国古代农村商品经济发展这一历史信息的是
A.金多众中为上客,夜夜算缗眠独迟
B.夜市千灯照碧云,高楼红袖客纷纷
C.尔来盗贼往往有,劫杀贾客沉其艘
D.草市迎江货,津桥税商海
微分方程(2y-x)dy=ydx的通解是______.