猪肝与豆芽相克
参考答案：
猪肝中的铜会加速豆芽中的维生素C氧化，失去其营养价值。
制造“千里船”和“水碓磨”的是[ ]
A．祖冲之
B．鲁班
C．杜诗
D．张衡
In my opinion, what matters is not how much a present costs, _____what it means to you. [ ]
A. however
B. nor
C. either
D. but
