向盛有Fe、Cu的烧杯中加入过量稀硫酸，所得溶液中的溶质有[ ]
A．一种
B．二种
C．三种
D．四种
答案：B
Wood can be ______ desks and chairs.[ ]
A. made of
B. made into
C. made from
D. made up
动模板行程
